Merge remote-tracking branch 'qatar/master'
* qatar/master: configure: Check for the math function rint TechSmith Screen Codec 2 decoder rtsp: Add listen mode rtsp: Make rtsp_open_transport_ctx() non-static rtsp: Move rtsp_read_close rtsp: Parse the mode=receive/record parameter in transport lines Conflicts: Changelog libavcodec/avcodec.h libavcodec/version.h libavformat/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
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				| @ -15,6 +15,8 @@ version next: | ||||
| - join audio filter | ||||
| - audio channel mapping filter | ||||
| - Microsoft ATC Screen decoder | ||||
| - RTSP listen mode | ||||
| - TechSmith Screen Codec 2 decoder | ||||
| - showwaves filter | ||||
| - LucasArts SMUSH playback support | ||||
| - SAMI demuxer and decoder | ||||
|  | ||||
							
								
								
									
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							| @ -1256,6 +1256,7 @@ HAVE_LIST=" | ||||
|     posix_memalign | ||||
|     pthread_cancel | ||||
|     rdtsc | ||||
|     rint | ||||
|     round | ||||
|     roundf | ||||
|     rweflags | ||||
| @ -3288,6 +3289,7 @@ check_mathfunc log2 | ||||
| check_mathfunc log2f | ||||
| check_mathfunc lrint | ||||
| check_mathfunc lrintf | ||||
| check_mathfunc rint | ||||
| check_mathfunc round | ||||
| check_mathfunc roundf | ||||
| check_mathfunc trunc | ||||
|  | ||||
| @ -642,6 +642,8 @@ following image formats are supported: | ||||
|     @tab fourcc: SP5X | ||||
| @item TechSmith Screen Capture Codec  @tab     @tab  X | ||||
|     @tab fourcc: TSCC | ||||
| @item TechSmith Screen Capture Codec 2  @tab     @tab  X | ||||
|     @tab fourcc: TSC2 | ||||
| @item Theora                 @tab  E  @tab  X | ||||
|     @tab encoding supported through external library libtheora | ||||
| @item Tiertex Limited SEQ video  @tab     @tab  X | ||||
|  | ||||
| @ -377,6 +377,8 @@ Flags for @code{rtsp_flags}: | ||||
| @table @option | ||||
| @item filter_src | ||||
| Accept packets only from negotiated peer address and port. | ||||
| @item listen | ||||
| Act as a server, listening for an incoming connection. | ||||
| @end table | ||||
| 
 | ||||
| When receiving data over UDP, the demuxer tries to reorder received packets | ||||
| @ -409,6 +411,12 @@ To send a stream in realtime to a RTSP server, for others to watch: | ||||
| ffmpeg -re -i @var{input} -f rtsp -muxdelay 0.1 rtsp://server/live.sdp | ||||
| @end example | ||||
| 
 | ||||
| To receive a stream in realtime: | ||||
| 
 | ||||
| @example | ||||
| avconv -rtsp_flags listen -i rtsp://ownaddress/live.sdp @var{output} | ||||
| @end example | ||||
| 
 | ||||
| @section sap | ||||
| 
 | ||||
| Session Announcement Protocol (RFC 2974). This is not technically a | ||||
|  | ||||
| @ -451,6 +451,7 @@ OBJS-$(CONFIG_TRUEMOTION1_DECODER)     += truemotion1.o | ||||
| OBJS-$(CONFIG_TRUEMOTION2_DECODER)     += truemotion2.o | ||||
| OBJS-$(CONFIG_TRUESPEECH_DECODER)      += truespeech.o | ||||
| OBJS-$(CONFIG_TSCC_DECODER)            += tscc.o msrledec.o | ||||
| OBJS-$(CONFIG_TSCC2_DECODER)           += tscc2.o | ||||
| OBJS-$(CONFIG_TTA_DECODER)             += tta.o | ||||
| OBJS-$(CONFIG_TWINVQ_DECODER)          += twinvq.o celp_math.o | ||||
| OBJS-$(CONFIG_TXD_DECODER)             += txd.o s3tc.o | ||||
|  | ||||
| @ -222,6 +222,7 @@ void avcodec_register_all(void) | ||||
|     REGISTER_DECODER (TRUEMOTION1, truemotion1); | ||||
|     REGISTER_DECODER (TRUEMOTION2, truemotion2); | ||||
|     REGISTER_DECODER (TSCC, tscc); | ||||
|     REGISTER_DECODER (TSCC2, tscc2); | ||||
|     REGISTER_DECODER (TXD, txd); | ||||
|     REGISTER_DECODER (ULTI, ulti); | ||||
|     REGISTER_DECODER (UTVIDEO, utvideo); | ||||
|  | ||||
| @ -259,6 +259,7 @@ enum CodecID { | ||||
|     CODEC_ID_ZEROCODEC, | ||||
|     CODEC_ID_MSS1, | ||||
|     CODEC_ID_MSA1, | ||||
|     CODEC_ID_TSCC2, | ||||
|     CODEC_ID_Y41P       = MKBETAG('Y','4','1','P'), | ||||
|     CODEC_ID_ESCAPE130  = MKBETAG('E','1','3','0'), | ||||
|     CODEC_ID_EXR        = MKBETAG('0','E','X','R'), | ||||
|  | ||||
							
								
								
									
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							| @ -0,0 +1,382 @@ | ||||
| /*
 | ||||
|  * TechSmith Screen Codec 2 (aka Dora) decoder | ||||
|  * Copyright (c) 2012 Konstantin Shishkov | ||||
|  * | ||||
|  * This file is part of FFmpeg. | ||||
|  * | ||||
|  * FFmpeg is free software; you can redistribute it and/or | ||||
|  * modify it under the terms of the GNU Lesser General Public | ||||
|  * License as published by the Free Software Foundation; either | ||||
|  * version 2.1 of the License, or (at your option) any later version. | ||||
|  * | ||||
|  * FFmpeg is distributed in the hope that it will be useful, | ||||
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | ||||
|  * Lesser General Public License for more details. | ||||
|  * | ||||
|  * You should have received a copy of the GNU Lesser General Public | ||||
|  * License along with FFmpeg; if not, write to the Free Software | ||||
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||||
|  */ | ||||
| 
 | ||||
| /**
 | ||||
|  * @file | ||||
|  * TechSmith Screen Codec 2 decoder | ||||
|  */ | ||||
| 
 | ||||
| #define BITSTREAM_READER_LE | ||||
| #include "avcodec.h" | ||||
| #include "get_bits.h" | ||||
| #include "bytestream.h" | ||||
| #include "tscc2data.h" | ||||
| 
 | ||||
| typedef struct TSCC2Context { | ||||
|     AVCodecContext *avctx; | ||||
|     AVFrame        pic; | ||||
|     int            mb_width, mb_height; | ||||
|     uint8_t        *slice_quants; | ||||
|     int            quant[2]; | ||||
|     int            q[2][3]; | ||||
|     GetBitContext  gb; | ||||
| 
 | ||||
|     VLC            dc_vlc, nc_vlc[NUM_VLC_SETS], ac_vlc[NUM_VLC_SETS]; | ||||
|     int            block[16]; | ||||
| } TSCC2Context; | ||||
| 
 | ||||
| static av_cold void free_vlcs(TSCC2Context *c) | ||||
| { | ||||
|     int i; | ||||
| 
 | ||||
|     ff_free_vlc(&c->dc_vlc); | ||||
|     for (i = 0; i < NUM_VLC_SETS; i++) { | ||||
|         ff_free_vlc(c->nc_vlc + i); | ||||
|         ff_free_vlc(c->ac_vlc + i); | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| static av_cold int init_vlcs(TSCC2Context *c) | ||||
| { | ||||
|     int i, ret; | ||||
| 
 | ||||
|     ret = ff_init_vlc_sparse(&c->dc_vlc, 9, DC_VLC_COUNT, | ||||
|                              tscc2_dc_vlc_bits,  1, 1, | ||||
|                              tscc2_dc_vlc_codes, 2, 2, | ||||
|                              tscc2_dc_vlc_syms,  2, 2, INIT_VLC_LE); | ||||
|     if (ret) | ||||
|         return ret; | ||||
| 
 | ||||
|     for (i = 0; i < NUM_VLC_SETS; i++) { | ||||
|         ret = ff_init_vlc_sparse(c->nc_vlc + i, 9, 16, | ||||
|                                  tscc2_nc_vlc_bits[i],  1, 1, | ||||
|                                  tscc2_nc_vlc_codes[i], 2, 2, | ||||
|                                  tscc2_nc_vlc_syms,     1, 1, INIT_VLC_LE); | ||||
|         if (ret) { | ||||
|             free_vlcs(c); | ||||
|             return ret; | ||||
|         } | ||||
|         ret = ff_init_vlc_sparse(c->ac_vlc + i, 9, tscc2_ac_vlc_sizes[i], | ||||
|                                  tscc2_ac_vlc_bits[i],  1, 1, | ||||
|                                  tscc2_ac_vlc_codes[i], 2, 2, | ||||
|                                  tscc2_ac_vlc_syms[i],  2, 2, INIT_VLC_LE); | ||||
|         if (ret) { | ||||
|             free_vlcs(c); | ||||
|             return ret; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| #define DEQUANT(val, q) ((q * val + 0x80) >> 8) | ||||
| #define DCT1D(d0, d1, d2, d3, s0, s1, s2, s3, OP) \ | ||||
|     OP(d0, 5 * ((s0) + (s1) + (s2)) + 2 * (s3));  \ | ||||
|     OP(d1, 5 * ((s0) - (s2) - (s3)) + 2 * (s1));  \ | ||||
|     OP(d2, 5 * ((s0) - (s2) + (s3)) - 2 * (s3));  \ | ||||
|     OP(d3, 5 * ((s0) - (s1) + (s2)) - 2 * (s3));  \ | ||||
| 
 | ||||
| #define COL_OP(a, b)  a = b | ||||
| #define ROW_OP(a, b)  a = av_clip_uint8((((b) + 0x20) >> 6) + 0x80) | ||||
| 
 | ||||
| static void tscc2_idct4_put(int *in, int q[3], uint8_t *dst, int stride) | ||||
| { | ||||
|     int i; | ||||
|     int tblk[4 * 4]; | ||||
|     int t0, t1, t2, t3; | ||||
| 
 | ||||
|     for (i = 0; i < 4; i++) { | ||||
|         t0 = DEQUANT(q[0 + (i & 1)], in[0 * 4 + i]); | ||||
|         t1 = DEQUANT(q[1 + (i & 1)], in[1 * 4 + i]); | ||||
|         t2 = DEQUANT(q[0 + (i & 1)], in[2 * 4 + i]); | ||||
|         t3 = DEQUANT(q[1 + (i & 1)], in[3 * 4 + i]); | ||||
|         DCT1D(tblk[0 * 4 + i], tblk[1 * 4 + i], | ||||
|               tblk[2 * 4 + i], tblk[3 * 4 + i], | ||||
|               t0, t1, t2, t3, COL_OP); | ||||
|     } | ||||
|     for (i = 0; i < 4; i++) { | ||||
|         DCT1D(dst[0], dst[1], dst[2], dst[3], | ||||
|               tblk[i * 4 + 0], tblk[i * 4 + 1], | ||||
|               tblk[i * 4 + 2], tblk[i * 4 + 3], ROW_OP); | ||||
|         dst += stride; | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| static int tscc2_decode_mb(TSCC2Context *c, int *q, int vlc_set, | ||||
|                            uint8_t *dst, int stride, int plane) | ||||
| { | ||||
|     GetBitContext *gb = &c->gb; | ||||
|     int prev_dc, dc, nc, ac, bpos, val; | ||||
|     int i, j, k, l; | ||||
| 
 | ||||
|     if (get_bits1(gb)) { | ||||
|         if (get_bits1(gb)) { | ||||
|             val = get_bits(gb, 8); | ||||
|             for (i = 0; i < 8; i++, dst += stride) | ||||
|                 memset(dst, val, 16); | ||||
|         } else { | ||||
|             if (get_bits_left(gb) < 16 * 8 * 8) | ||||
|                 return AVERROR_INVALIDDATA; | ||||
|             for (i = 0; i < 8; i++) { | ||||
|                 for (j = 0; j < 16; j++) | ||||
|                     dst[j] = get_bits(gb, 8); | ||||
|                 dst += stride; | ||||
|             } | ||||
|         } | ||||
|         return 0; | ||||
|     } | ||||
| 
 | ||||
|     prev_dc = 0; | ||||
|     for (j = 0; j < 2; j++) { | ||||
|         for (k = 0; k < 4; k++) { | ||||
|             if (!(j | k)) { | ||||
|                 dc = get_bits(gb, 8); | ||||
|             } else { | ||||
|                 dc = get_vlc2(gb, c->dc_vlc.table, 9, 2); | ||||
|                 if (dc == -1) | ||||
|                     return AVERROR_INVALIDDATA; | ||||
|                 if (dc == 0x100) | ||||
|                     dc = get_bits(gb, 8); | ||||
|             } | ||||
|             dc          = (dc + prev_dc) & 0xFF; | ||||
|             prev_dc     = dc; | ||||
|             c->block[0] = dc - 0x80; | ||||
| 
 | ||||
|             nc = get_vlc2(gb, c->nc_vlc[vlc_set].table, 9, 1); | ||||
|             if (nc == -1) | ||||
|                 return AVERROR_INVALIDDATA; | ||||
| 
 | ||||
|             bpos = 1; | ||||
|             memset(c->block + 1, 0, 15 * sizeof(*c->block)); | ||||
|             for (l = 0; l < nc; l++) { | ||||
|                 ac = get_vlc2(gb, c->ac_vlc[vlc_set].table, 9, 2); | ||||
|                 if (ac == -1) | ||||
|                     return AVERROR_INVALIDDATA; | ||||
|                 if (ac == 0x1000) | ||||
|                     ac = get_bits(gb, 12); | ||||
|                 bpos += ac & 0xF; | ||||
|                 if (bpos >= 64) | ||||
|                     return AVERROR_INVALIDDATA; | ||||
|                 val = sign_extend(ac >> 4, 8); | ||||
|                 c->block[tscc2_zigzag[bpos++]] = val; | ||||
|             } | ||||
|             tscc2_idct4_put(c->block, q, dst + k * 4, stride); | ||||
|         } | ||||
|         dst += 4 * stride; | ||||
|     } | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int tscc2_decode_slice(TSCC2Context *c, int mb_y, | ||||
|                               const uint8_t *buf, int buf_size) | ||||
| { | ||||
|     int i, mb_x, q, ret; | ||||
|     int off; | ||||
| 
 | ||||
|     init_get_bits(&c->gb, buf, buf_size * 8); | ||||
| 
 | ||||
|     for (mb_x = 0; mb_x < c->mb_width; mb_x++) { | ||||
|         q = c->slice_quants[mb_x + c->mb_width * mb_y]; | ||||
| 
 | ||||
|         if (q == 0 || q == 3) // skip block
 | ||||
|             continue; | ||||
|         for (i = 0; i < 3; i++) { | ||||
|             off = mb_x * 16 + mb_y * 8 * c->pic.linesize[i]; | ||||
|             ret = tscc2_decode_mb(c, c->q[q - 1], c->quant[q - 1] - 2, | ||||
|                                   c->pic.data[i] + off, c->pic.linesize[i], i); | ||||
|             if (ret) | ||||
|                 return ret; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int tscc2_decode_frame(AVCodecContext *avctx, void *data, | ||||
|                               int *data_size, AVPacket *avpkt) | ||||
| { | ||||
|     const uint8_t *buf = avpkt->data; | ||||
|     int buf_size = avpkt->size; | ||||
|     TSCC2Context *c = avctx->priv_data; | ||||
|     GetByteContext gb; | ||||
|     uint32_t frame_type, size; | ||||
|     int i, val, len, pos = 0; | ||||
|     int num_mb = c->mb_width * c->mb_height; | ||||
|     int ret; | ||||
| 
 | ||||
|     bytestream2_init(&gb, buf, buf_size); | ||||
|     frame_type = bytestream2_get_byte(&gb); | ||||
|     if (frame_type > 1) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "Incorrect frame type %d\n", frame_type); | ||||
|         return AVERROR_INVALIDDATA; | ||||
|     } | ||||
| 
 | ||||
|     c->pic.reference    = 3; | ||||
|     c->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | | ||||
|                           FF_BUFFER_HINTS_REUSABLE; | ||||
|     if ((ret = avctx->reget_buffer(avctx, &c->pic)) < 0) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); | ||||
|         return ret; | ||||
|     } | ||||
| 
 | ||||
|     if (frame_type == 0) { | ||||
|         *data_size      = sizeof(AVFrame); | ||||
|         *(AVFrame*)data = c->pic; | ||||
| 
 | ||||
|         return buf_size; | ||||
|     } | ||||
| 
 | ||||
|     if (bytestream2_get_bytes_left(&gb) < 4) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "Frame is too short\n"); | ||||
|         return AVERROR_INVALIDDATA; | ||||
|     } | ||||
| 
 | ||||
|     c->quant[0] = bytestream2_get_byte(&gb); | ||||
|     c->quant[1] = bytestream2_get_byte(&gb); | ||||
|     if (c->quant[0] < 2 || c->quant[0] > NUM_VLC_SETS + 1 || | ||||
|         c->quant[1] < 2 || c->quant[1] > NUM_VLC_SETS + 1) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "Invalid quantisers %d / %d\n", | ||||
|                c->quant[0], c->quant[1]); | ||||
|         return AVERROR_INVALIDDATA; | ||||
|     } | ||||
| 
 | ||||
|     for (i = 0; i < 3; i++) { | ||||
|         c->q[0][i] = tscc2_quants[c->quant[0] - 2][i]; | ||||
|         c->q[1][i] = tscc2_quants[c->quant[1] - 2][i]; | ||||
|     } | ||||
| 
 | ||||
|     bytestream2_skip(&gb, 1); | ||||
| 
 | ||||
|     size = bytestream2_get_le32(&gb); | ||||
|     if (size > bytestream2_get_bytes_left(&gb)) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "Slice properties chunk is too large\n"); | ||||
|         return AVERROR_INVALIDDATA; | ||||
|     } | ||||
| 
 | ||||
|     for (i = 0; i < size; i++) { | ||||
|         val   = bytestream2_get_byte(&gb); | ||||
|         len   = val & 0x3F; | ||||
|         val >>= 6; | ||||
|         if (pos + len > num_mb) { | ||||
|             av_log(avctx, AV_LOG_ERROR, "Too many slice properties\n"); | ||||
|             return AVERROR_INVALIDDATA; | ||||
|         } | ||||
|         memset(c->slice_quants + pos, val, len); | ||||
|         pos += len; | ||||
|     } | ||||
|     if (pos < num_mb) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "Too few slice properties (%d / %d)\n", | ||||
|                pos, num_mb); | ||||
|         return AVERROR_INVALIDDATA; | ||||
|     } | ||||
| 
 | ||||
|     for (i = 0; i < c->mb_height; i++) { | ||||
|         size = bytestream2_peek_byte(&gb); | ||||
|         if (size & 1) { | ||||
|             size = bytestream2_get_byte(&gb) - 1; | ||||
|         } else { | ||||
|             size = bytestream2_get_le32(&gb) >> 1; | ||||
|         } | ||||
|         if (!size) { | ||||
|             int skip_row = 1, j, off = i * c->mb_width; | ||||
|             for (j = 0; j < c->mb_width; j++) { | ||||
|                 if (c->slice_quants[off + i] == 1 || | ||||
|                     c->slice_quants[off + i] == 2) { | ||||
|                     skip_row = 0; | ||||
|                     break; | ||||
|                 } | ||||
|             } | ||||
|             if (!skip_row) { | ||||
|                 av_log(avctx, AV_LOG_ERROR, "Non-skip row with zero size\n"); | ||||
|                 return AVERROR_INVALIDDATA; | ||||
|             } | ||||
|         } | ||||
|         if (bytestream2_get_bytes_left(&gb) < size) { | ||||
|             av_log(avctx, AV_LOG_ERROR, "Invalid slice size (%d/%d)\n", | ||||
|                    size, bytestream2_get_bytes_left(&gb)); | ||||
|             return AVERROR_INVALIDDATA; | ||||
|         } | ||||
|         ret = tscc2_decode_slice(c, i, buf + bytestream2_tell(&gb), size); | ||||
|         if (ret) { | ||||
|             av_log(avctx, AV_LOG_ERROR, "Error decoding slice %d\n", i); | ||||
|             return ret; | ||||
|         } | ||||
|         bytestream2_skip(&gb, size); | ||||
|     } | ||||
| 
 | ||||
|     *data_size      = sizeof(AVFrame); | ||||
|     *(AVFrame*)data = c->pic; | ||||
| 
 | ||||
|     /* always report that the buffer was completely consumed */ | ||||
|     return buf_size; | ||||
| } | ||||
| 
 | ||||
| static av_cold int tscc2_decode_init(AVCodecContext *avctx) | ||||
| { | ||||
|     TSCC2Context * const c = avctx->priv_data; | ||||
|     int ret; | ||||
| 
 | ||||
|     c->avctx = avctx; | ||||
| 
 | ||||
|     avctx->pix_fmt = PIX_FMT_YUV444P; | ||||
| 
 | ||||
|     if ((ret = init_vlcs(c)) < 0) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "Cannot initialise VLCs\n"); | ||||
|         return ret; | ||||
|     } | ||||
| 
 | ||||
|     c->mb_width     = FFALIGN(avctx->width,  16) >> 4; | ||||
|     c->mb_height    = FFALIGN(avctx->height,  8) >> 3; | ||||
|     c->slice_quants = av_malloc(c->mb_width * c->mb_height); | ||||
|     if (!c->slice_quants) { | ||||
|         av_log(avctx, AV_LOG_ERROR, "Cannot allocate slice information\n"); | ||||
|         free_vlcs(c); | ||||
|         return AVERROR(ENOMEM); | ||||
|     } | ||||
| 
 | ||||
|     avctx->coded_frame = &c->pic; | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static av_cold int tscc2_decode_end(AVCodecContext *avctx) | ||||
| { | ||||
|     TSCC2Context * const c = avctx->priv_data; | ||||
| 
 | ||||
|     if (c->pic.data[0]) | ||||
|         avctx->release_buffer(avctx, &c->pic); | ||||
|     av_freep(&c->slice_quants); | ||||
|     free_vlcs(c); | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| AVCodec ff_tscc2_decoder = { | ||||
|     .name           = "tscc2", | ||||
|     .type           = AVMEDIA_TYPE_VIDEO, | ||||
|     .id             = CODEC_ID_TSCC2, | ||||
|     .priv_data_size = sizeof(TSCC2Context), | ||||
|     .init           = tscc2_decode_init, | ||||
|     .close          = tscc2_decode_end, | ||||
|     .decode         = tscc2_decode_frame, | ||||
|     .capabilities   = CODEC_CAP_DR1, | ||||
|     .long_name      = NULL_IF_CONFIG_SMALL("TechSmith Screen Codec 2"), | ||||
| }; | ||||
							
								
								
									
										935
									
								
								libavcodec/tscc2data.h
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
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								libavcodec/tscc2data.h
									
									
									
									
									
										Normal file
									
								
							| @ -0,0 +1,935 @@ | ||||
| /*
 | ||||
|  * TechSmith Screen Codec 2 (aka Dora) decoder | ||||
|  * Copyright (c) 2012 Konstantin Shishkov | ||||
|  * | ||||
|  * This file is part of FFmpeg. | ||||
|  * | ||||
|  * FFmpeg is free software; you can redistribute it and/or | ||||
|  * modify it under the terms of the GNU Lesser General Public | ||||
|  * License as published by the Free Software Foundation; either | ||||
|  * version 2.1 of the License, or (at your option) any later version. | ||||
|  * | ||||
|  * FFmpeg is distributed in the hope that it will be useful, | ||||
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | ||||
|  * Lesser General Public License for more details. | ||||
|  * | ||||
|  * You should have received a copy of the GNU Lesser General Public | ||||
|  * License along with FFmpeg; if not, write to the Free Software | ||||
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||||
|  */ | ||||
| 
 | ||||
| #ifndef AVCODEC_TSCC2_DATA_H | ||||
| #define AVCODEC_TSCC2_DATA_H | ||||
| 
 | ||||
| #include <stdint.h> | ||||
| 
 | ||||
| static const uint8_t tscc2_zigzag[16] = { | ||||
|    0,  1,  4,  8, | ||||
|    5,  2,  3,  6, | ||||
|    9, 12, 13, 10, | ||||
|    7, 11, 14, 15 | ||||
| }; | ||||
| 
 | ||||
| #define NUM_VLC_SETS 13 | ||||
| 
 | ||||
| static const uint16_t tscc2_quants[NUM_VLC_SETS][3] = { | ||||
|     {  655,  861, 1130 }, {  983, 1291, 1695 }, { 1311, 1721, 2260 }, | ||||
|     { 1638, 2151, 2825 }, { 1966, 2582, 3390 }, { 2294, 3012, 3955 }, | ||||
|     { 2621, 3442, 4520 }, { 2949, 3872, 5085 }, { 3277, 4303, 5650 }, | ||||
|     { 3604, 4733, 6215 }, { 3932, 5163, 6780 }, { 4260, 5593, 7345 }, | ||||
|     { 4588, 6024, 7910 }, | ||||
| }; | ||||
| 
 | ||||
| #define DC_VLC_COUNT 47 | ||||
| 
 | ||||
| static const uint16_t tscc2_dc_vlc_syms[DC_VLC_COUNT] = { | ||||
|    0x100, 0xFF, 0xFE, 0xFD, 0xFC, 0xFB, 0xFA, 0xF9, | ||||
|     0xF8, 0xF7, 0xF6, 0xF5, 0xF4, 0xF3, 0xF2, 0xF1, | ||||
|     0xF0, 0xEF, 0xEE, 0xED, 0xEC, 0xEB, 0xEA, 0x17, | ||||
|     0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, | ||||
|     0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x07, | ||||
|     0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t tscc2_dc_vlc_codes[DC_VLC_COUNT] = { | ||||
|     0x000A, 0x0000, 0x0006, 0x002E, 0x0002, 0x000E, 0x001A, 0x007E, | ||||
|     0x004E, 0x005A, 0x00E2, 0x01BE, 0x01BA, 0x00BA, 0x0072, 0x0022, | ||||
|     0x02BE, 0x00BE, 0x033A, 0x03F2, 0x01F2, 0x03A2, 0x0122, 0x0322, | ||||
|     0x01A2, 0x0172, 0x0372, 0x013A, 0x00CE, 0x02CE, 0x02FE, 0x00FE, | ||||
|     0x00A2, 0x00F2, 0x003A, 0x01CE, 0x01FE, 0x0062, 0x00DA, 0x003E, | ||||
|     0x0032, 0x007A, 0x0012, 0x001E, 0x0016, 0x0004, 0x0001, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t tscc2_dc_vlc_bits[DC_VLC_COUNT] = { | ||||
|      5,  3,  5,  6,  6,  7,  7,  8, | ||||
|      8,  8,  8,  9,  9,  9,  9,  9, | ||||
|     10, 10, 10, 10, 10, 10, 10, 10, | ||||
|     10, 10, 10, 10, 10, 10, 10, 10, | ||||
|      9,  9,  9,  9,  9,  8,  8,  8, | ||||
|      7,  7,  6,  6,  5,  3,  1, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t tscc2_nc_vlc_syms[16] = { | ||||
|     0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, | ||||
|     0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t tscc2_nc_vlc_codes[NUM_VLC_SETS][16] = { | ||||
|     { 0x0023, 0x0003, 0x0031, 0x0021, 0x0011, 0x0053, 0x0013, 0x0001, | ||||
|       0x0009, 0x0029, 0x0033, 0x0019, 0x000B, 0x0005, 0x0007, 0x0000, }, | ||||
|     { 0x0030, 0x0022, 0x0028, 0x0020, 0x0008, 0x0000, 0x0032, 0x0072, | ||||
|       0x0010, 0x0002, 0x0012, 0x0018, 0x000A, 0x0004, 0x0006, 0x0001, }, | ||||
|     { 0x0032, 0x0038, 0x0020, 0x0008, 0x0002, 0x0018, 0x0072, 0x0000, | ||||
|       0x0028, 0x0022, 0x0012, 0x0010, 0x000A, 0x0004, 0x0006, 0x0001, }, | ||||
|     { 0x0032, 0x0010, 0x0072, 0x0030, 0x0022, 0x0038, 0x0008, 0x0028, | ||||
|       0x0018, 0x0002, 0x0012, 0x0000, 0x000A, 0x0004, 0x0006, 0x0001, }, | ||||
|     { 0x0012, 0x0052, 0x0000, 0x0020, 0x0018, 0x0022, 0x0008, 0x0028, | ||||
|       0x0038, 0x0002, 0x0032, 0x0010, 0x000A, 0x0004, 0x0006, 0x0001, }, | ||||
|     { 0x0016, 0x0096, 0x0006, 0x0046, 0x0056, 0x0002, 0x0036, 0x0076, | ||||
|       0x0012, 0x0022, 0x0032, 0x0026, 0x000A, 0x000E, 0x0000, 0x0001, }, | ||||
|     { 0x001A, 0x009A, 0x0032, 0x0072, 0x005A, 0x007A, 0x003A, 0x0002, | ||||
|       0x0012, 0x0022, 0x000A, 0x002A, 0x0006, 0x000E, 0x0000, 0x0001, }, | ||||
|     { 0x002A, 0x00AA, 0x0002, 0x0042, 0x006A, 0x003A, 0x007A, 0x0022, | ||||
|       0x0032, 0x0012, 0x000A, 0x001A, 0x0006, 0x000E, 0x0000, 0x0001, }, | ||||
|     { 0x0042, 0x00C2, 0x0002, 0x000A, 0x004A, 0x003A, 0x007A, 0x0022, | ||||
|       0x0012, 0x0032, 0x002A, 0x001A, 0x0006, 0x000E, 0x0000, 0x0001, }, | ||||
|     { 0x00BA, 0x01BA, 0x003A, 0x0012, 0x0052, 0x007A, 0x0002, 0x0022, | ||||
|       0x0032, 0x000A, 0x002A, 0x001A, 0x0000, 0x0004, 0x0006, 0x0001, }, | ||||
|     { 0x00AA, 0x01AA, 0x002A, 0x0022, 0x0062, 0x006A, 0x0002, 0x0012, | ||||
|       0x0032, 0x000A, 0x001A, 0x003A, 0x0000, 0x0004, 0x0006, 0x0001, }, | ||||
|     { 0x00AA, 0x01AA, 0x002A, 0x0022, 0x0062, 0x006A, 0x0002, 0x0012, | ||||
|       0x0032, 0x000A, 0x003A, 0x001A, 0x0000, 0x0004, 0x0006, 0x0001, }, | ||||
|     { 0x008A, 0x018A, 0x000A, 0x0022, 0x0062, 0x004A, 0x0002, 0x0012, | ||||
|       0x0032, 0x002A, 0x001A, 0x003A, 0x0000, 0x0004, 0x0006, 0x0001, }, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t tscc2_nc_vlc_bits[NUM_VLC_SETS][16] = { | ||||
|     { 6, 6, 6, 6, 6, 7, 7, 6, 6, 6, 6, 5, 4, 3, 3, 1 }, | ||||
|     { 6, 6, 6, 6, 6, 6, 7, 7, 6, 6, 6, 5, 4, 3, 3, 1 }, | ||||
|     { 7, 6, 6, 6, 6, 6, 7, 6, 6, 6, 6, 5, 4, 3, 3, 1 }, | ||||
|     { 7, 6, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 1 }, | ||||
|     { 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 1 }, | ||||
|     { 8, 8, 7, 7, 7, 6, 7, 7, 6, 6, 6, 6, 4, 4, 2, 1 }, | ||||
|     { 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 2, 1 }, | ||||
|     { 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 2, 1 }, | ||||
|     { 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 2, 1 }, | ||||
|     { 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 1 }, | ||||
|     { 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 1 }, | ||||
|     { 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 1 }, | ||||
|     { 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 1 }, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc0_syms[172] = { | ||||
|    0x1000, 0xFF8, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, 0xFF1, | ||||
|     0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, 0xFE0, | ||||
|     0xFD6, 0xFD5, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC6, 0xFC5, | ||||
|     0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB5, 0xFB3, 0xFB2, 0xFB1, | ||||
|     0xFB0, 0xFA5, 0xFA3, 0xFA1, 0xFA0, 0xF95, 0xF91, 0xF90, | ||||
|     0xF83, 0xF81, 0xF80, 0xF73, 0xF71, 0xF70, 0xF61, 0xF60, | ||||
|     0xF51, 0xF50, 0xF45, 0xF41, 0xF40, 0xF31, 0xF30, 0xF21, | ||||
|     0xF20, 0xF10, 0xF00, 0xEF0, 0xEE0, 0xED5, 0xED1, 0xED0, | ||||
|     0xEC0, 0xEB0, 0xEA0, 0xE90, 0xE80, 0xE70, 0xE60, 0xE50, | ||||
|     0xE40, 0xE30, 0xE20, 0xE10, 0xE00, 0xDF0, 0xDE0, 0xDD0, | ||||
|     0xDC0, 0xDB0, 0xDA0, 0xD90, 0xD80, 0xD60, 0xCD1, 0x280, | ||||
|     0x270, 0x260, 0x250, 0x240, 0x230, 0x220, 0x210, 0x200, | ||||
|     0x1F0, 0x1E0, 0x1D0, 0x1C0, 0x1B0, 0x1A1, 0x1A0, 0x190, | ||||
|     0x180, 0x170, 0x160, 0x150, 0x140, 0x130, 0x121, 0x120, | ||||
|     0x111, 0x110, 0x101, 0x100, 0x0F1, 0x0F0, 0x0E1, 0x0E0, | ||||
|     0x0D1, 0x0D0, 0x0C1, 0x0C0, 0x0B1, 0x0B0, 0x0A5, 0x0A1, | ||||
|     0x0A0, 0x091, 0x090, 0x081, 0x080, 0x075, 0x071, 0x070, | ||||
|     0x065, 0x063, 0x061, 0x060, 0x055, 0x053, 0x052, 0x051, | ||||
|     0x050, 0x046, 0x045, 0x043, 0x042, 0x041, 0x040, 0x036, | ||||
|     0x035, 0x033, 0x032, 0x031, 0x030, 0x026, 0x025, 0x024, | ||||
|     0x023, 0x022, 0x021, 0x020, 0x018, 0x016, 0x015, 0x014, | ||||
|     0x013, 0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc0_codes[172] = { | ||||
|     0x001F, 0x0D71, 0x013F, 0x006C, 0x00A7, 0x0067, 0x001C, 0x0008, | ||||
|     0x0005, 0x06F1, 0x002C, 0x04BA, 0x0072, 0x01AA, 0x0002, 0x0006, | ||||
|     0x06AC, 0x02AF, 0x06EF, 0x018F, 0x000A, 0x0009, 0x02AC, 0x042A, | ||||
|     0x06E1, 0x068F, 0x00B1, 0x0000, 0x0317, 0x0C17, 0x0612, 0x010F, | ||||
|     0x0011, 0x0FBA, 0x002A, 0x0172, 0x000C, 0x05AC, 0x03D7, 0x0037, | ||||
|     0x0E8F, 0x02F2, 0x0041, 0x0BE1, 0x057F, 0x004A, 0x00AF, 0x006F, | ||||
|     0x06AA, 0x0097, 0x0101, 0x0012, 0x0081, 0x0571, 0x0092, 0x0EAF, | ||||
|     0x01BF, 0x00D7, 0x0031, 0x0001, 0x01F2, 0x0F17, 0x053A, 0x00BF, | ||||
|     0x038F, 0x0217, 0x0371, 0x01F1, 0x01BA, 0x022A, 0x02BF, 0x028F, | ||||
|     0x008F, 0x03F1, 0x00E1, 0x00BA, 0x00F2, 0x0EBF, 0x06AF, 0x048F, | ||||
|     0x0FE1, 0x0271, 0x07BA, 0x0D3A, 0x0C12, 0x08AC, 0x0717, 0x00AC, | ||||
|     0x0412, 0x0901, 0x04E1, 0x07E1, 0x0417, 0x0CAF, 0x04AC, 0x01AC, | ||||
|     0x04F2, 0x03BA, 0x05D7, 0x07F1, 0x01D7, 0x04AF, 0x04EF, 0x03AC, | ||||
|     0x00AA, 0x01E1, 0x0071, 0x00F1, 0x012C, 0x03EF, 0x082A, 0x0112, | ||||
|     0x03E1, 0x01FA, 0x0DAC, 0x0131, 0x0E12, 0x000F, 0x0B17, 0x007F, | ||||
|     0x0AEF, 0x007A, 0x02AA, 0x0061, 0x0671, 0x0027, 0x013A, 0x058F, | ||||
|     0x00FF, 0x033A, 0x0032, 0x0301, 0x0021, 0x0C8F, 0x037F, 0x0077, | ||||
|     0x02F1, 0x02E1, 0x003A, 0x003C, 0x0212, 0x0817, 0x0CE1, 0x003F, | ||||
|     0x0007, 0x0017, 0x0501, 0x02BA, 0x06BF, 0x0057, 0x0010, 0x02EF, | ||||
|     0x0117, 0x017F, 0x00EF, 0x006A, 0x0019, 0x0171, 0x01EF, 0x06BA, | ||||
|     0x012A, 0x00FA, 0x0022, 0x000E, 0x0AE1, 0x01AF, 0x0052, 0x002F, | ||||
|     0x004F, 0x001A, 0x0004, 0x0003, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc0_bits[172] = { | ||||
|      6, 12,  9,  7,  8,  7,  6,  4, | ||||
|      3, 11,  9, 11,  9,  9,  6,  4, | ||||
|     11, 11, 11, 11,  7,  5, 11, 11, | ||||
|     11, 12,  8,  5, 12, 12, 12,  9, | ||||
|      6, 12, 12,  9,  6, 12, 10,  7, | ||||
|     12, 10,  7, 12, 11,  7, 11,  8, | ||||
|     11,  8, 12, 11,  8, 12,  8, 12, | ||||
|      9,  9,  9,  9,  9, 12, 12, 10, | ||||
|     10, 10, 10, 10, 10, 10, 11, 11, | ||||
|     11, 11, 11, 11, 11, 12, 12, 12, | ||||
|     12, 11, 12, 12, 12, 12, 12, 12, | ||||
|     12, 12, 12, 12, 12, 12, 11, 11, | ||||
|     11, 11, 11, 11, 11, 12, 11, 10, | ||||
|     10, 10, 10, 10,  9, 10, 12,  9, | ||||
|     12,  9, 12,  9, 12,  9, 12,  9, | ||||
|     12,  8, 11,  8, 11,  8, 11, 11, | ||||
|      8, 10,  7, 10,  7, 12, 10,  7, | ||||
|     11, 12,  9,  6, 11, 12, 12,  9, | ||||
|      6, 12, 11, 11, 12,  8,  5, 12, | ||||
|     10, 11, 11,  7,  5, 11, 10, 11, | ||||
|      9,  9,  6,  4, 12,  9,  7,  8, | ||||
|      7,  6,  4,  3, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc1_syms[169] = { | ||||
|    0x1000, 0xFF8, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, 0xFF1, | ||||
|     0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, 0xFE0, | ||||
|     0xFD6, 0xFD5, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC6, 0xFC5, | ||||
|     0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB6, 0xFB5, 0xFB3, 0xFB2, | ||||
|     0xFB1, 0xFB0, 0xFA6, 0xFA5, 0xFA3, 0xFA1, 0xFA0, 0xF95, | ||||
|     0xF93, 0xF91, 0xF90, 0xF85, 0xF81, 0xF80, 0xF71, 0xF70, | ||||
|     0xF61, 0xF60, 0xF51, 0xF50, 0xF45, 0xF41, 0xF40, 0xF31, | ||||
|     0xF30, 0xF21, 0xF20, 0xF11, 0xF10, 0xF01, 0xF00, 0xEF1, | ||||
|     0xEF0, 0xEE1, 0xEE0, 0xED0, 0xEC6, 0xEC0, 0xEB6, 0xEB0, | ||||
|     0xEA0, 0xE90, 0xE80, 0xE70, 0xE60, 0xE50, 0xE40, 0xE33, | ||||
|     0xE31, 0xE30, 0xE20, 0xE10, 0xE00, 0xDF0, 0xDE1, 0xDE0, | ||||
|     0xDC0, 0xDB0, 0xDA0, 0x250, 0x240, 0x1F0, 0x1E0, 0x1D0, | ||||
|     0x1C0, 0x1B0, 0x1A0, 0x190, 0x180, 0x170, 0x160, 0x150, | ||||
|     0x140, 0x130, 0x120, 0x111, 0x110, 0x101, 0x100, 0x0F1, | ||||
|     0x0F0, 0x0E1, 0x0E0, 0x0D1, 0x0D0, 0x0C6, 0x0C1, 0x0C0, | ||||
|     0x0B1, 0x0B0, 0x0A1, 0x0A0, 0x095, 0x091, 0x090, 0x085, | ||||
|     0x081, 0x080, 0x075, 0x071, 0x070, 0x065, 0x063, 0x061, | ||||
|     0x060, 0x055, 0x053, 0x052, 0x051, 0x050, 0x046, 0x045, | ||||
|     0x043, 0x042, 0x041, 0x040, 0x036, 0x035, 0x033, 0x032, | ||||
|     0x031, 0x030, 0x026, 0x025, 0x024, 0x023, 0x022, 0x021, | ||||
|     0x020, 0x018, 0x016, 0x015, 0x014, 0x013, 0x012, 0x011, | ||||
|     0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc1_codes[169] = { | ||||
|     0x0019, 0x027D, 0x0084, 0x0044, 0x009D, 0x003D, 0x000A, 0x0002, | ||||
|     0x0003, 0x00EA, 0x02FD, 0x017A, 0x01C6, 0x00B6, 0x0026, 0x000E, | ||||
|     0x0095, 0x0260, 0x032A, 0x0360, 0x0006, 0x0005, 0x05B6, 0x036A, | ||||
|     0x06F6, 0x0704, 0x00FA, 0x0010, 0x0279, 0x04D4, 0x00F6, 0x066A, | ||||
|     0x001D, 0x0029, 0x05F9, 0x0846, 0x04F6, 0x01D4, 0x0038, 0x0446, | ||||
|     0x0160, 0x031D, 0x0075, 0x0054, 0x02D4, 0x005A, 0x05FD, 0x0040, | ||||
|     0x06EA, 0x0055, 0x0460, 0x009A, 0x052A, 0x00A0, 0x00D8, 0x0380, | ||||
|     0x017D, 0x092A, 0x00F9, 0x0D7A, 0x0179, 0x0304, 0x002A, 0x0104, | ||||
|     0x01A0, 0x0780, 0x007D, 0x03F9, 0x0C46, 0x03EA, 0x0E6A, 0x0204, | ||||
|     0x01FD, 0x051D, 0x02AA, 0x05EA, 0x00AA, 0x0080, 0x067D, 0x09EA, | ||||
|     0x0C95, 0x09F9, 0x07B6, 0x0DB6, 0x012A, 0x0904, 0x0454, 0x0FB6, | ||||
|     0x0960, 0x08D4, 0x0495, 0x0F80, 0x0560, 0x0B04, 0x057A, 0x0079, | ||||
|     0x0795, 0x0E7D, 0x0060, 0x076A, 0x03B6, 0x0395, 0x0180, 0x02A0, | ||||
|     0x006A, 0x0195, 0x0295, 0x0646, 0x03FD, 0x01F9, 0x0154, 0x0DF9, | ||||
|     0x00C6, 0x0F95, 0x01F6, 0x0480, 0x0000, 0x0A79, 0x04AA, 0x00E0, | ||||
|     0x0246, 0x001A, 0x0479, 0x0015, 0x0D60, 0x0280, 0x0018, 0x01EA, | ||||
|     0x037A, 0x003A, 0x011D, 0x00FD, 0x0035, 0x0A7D, 0x04A0, 0x0146, | ||||
|     0x0024, 0x01B6, 0x0504, 0x0046, 0x0020, 0x0009, 0x00D4, 0x03AA, | ||||
|     0x0679, 0x026A, 0x0036, 0x0008, 0x02F6, 0x01AA, 0x016A, 0x0254, | ||||
|     0x0039, 0x000D, 0x0004, 0x0176, 0x02EA, 0x007A, 0x0076, 0x0016, | ||||
|     0x0001, 0x0879, 0x0058, 0x0014, 0x00D5, 0x005D, 0x0034, 0x000C, | ||||
|     0x0007, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc1_bits[169] = { | ||||
|      6, 12,  8,  7,  8,  7,  6,  4, | ||||
|      3, 10, 10, 11,  9,  9,  6,  4, | ||||
|     11, 10, 10, 10,  7,  5, 12, 11, | ||||
|     11, 11,  8,  5, 12, 11, 11, 12, | ||||
|      9,  6, 12, 12, 11,  9,  6, 12, | ||||
|     12, 10,  7, 11, 10,  7, 11,  7, | ||||
|     11,  8, 11,  8, 11, 11,  8, 11, | ||||
|      9, 12,  9, 12,  9, 12,  9, 12, | ||||
|      9, 12, 10, 10, 12, 10, 12, 10, | ||||
|     11, 11, 10, 11, 11, 11, 12, 12, | ||||
|     12, 12, 12, 12, 12, 12, 11, 12, | ||||
|     12, 12, 12, 12, 12, 12, 12, 12, | ||||
|     12, 12, 11, 11, 11, 11, 10, 10, | ||||
|     10, 10, 10, 11, 10, 12,  9, 12, | ||||
|      9, 12,  9, 11,  8, 12, 11,  8, | ||||
|     11,  8, 11,  8, 12, 10,  7, 12, | ||||
|     10,  7, 11, 10,  7, 12, 11,  9, | ||||
|      6, 11, 11, 12,  8,  6, 12, 10, | ||||
|     11, 11,  8,  5, 11, 10, 10, 10, | ||||
|      7,  5, 10,  9, 11,  9,  9,  6, | ||||
|      4, 12,  8,  7,  8,  7,  6,  4, | ||||
|      3, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc2_syms[165] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD6, 0xFD5, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC6, | ||||
|     0xFC5, 0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB6, 0xFB5, 0xFB3, | ||||
|     0xFB2, 0xFB1, 0xFB0, 0xFA5, 0xFA3, 0xFA1, 0xFA0, 0xF95, | ||||
|     0xF93, 0xF91, 0xF90, 0xF81, 0xF80, 0xF75, 0xF71, 0xF70, | ||||
|     0xF61, 0xF60, 0xF51, 0xF50, 0xF41, 0xF40, 0xF36, 0xF31, | ||||
|     0xF30, 0xF26, 0xF21, 0xF20, 0xF16, 0xF11, 0xF10, 0xF06, | ||||
|     0xF01, 0xF00, 0xEF1, 0xEF0, 0xEE1, 0xEE0, 0xED0, 0xEC0, | ||||
|     0xEB3, 0xEB1, 0xEB0, 0xEA3, 0xEA1, 0xEA0, 0xE90, 0xE81, | ||||
|     0xE80, 0xE71, 0xE70, 0xE61, 0xE60, 0xE50, 0xE40, 0xE30, | ||||
|     0xE10, 0xE00, 0x241, 0x240, 0x231, 0x1D0, 0x1C0, 0x1B3, | ||||
|     0x1B0, 0x1A0, 0x190, 0x180, 0x170, 0x160, 0x150, 0x140, | ||||
|     0x130, 0x120, 0x110, 0x100, 0x0F0, 0x0E0, 0x0D1, 0x0D0, | ||||
|     0x0C1, 0x0C0, 0x0B1, 0x0B0, 0x0A5, 0x0A1, 0x0A0, 0x096, | ||||
|     0x095, 0x091, 0x090, 0x086, 0x085, 0x081, 0x080, 0x075, | ||||
|     0x071, 0x070, 0x065, 0x063, 0x061, 0x060, 0x055, 0x053, | ||||
|     0x052, 0x051, 0x050, 0x045, 0x043, 0x042, 0x041, 0x040, | ||||
|     0x036, 0x035, 0x033, 0x032, 0x031, 0x030, 0x026, 0x025, | ||||
|     0x024, 0x023, 0x022, 0x021, 0x020, 0x018, 0x016, 0x015, | ||||
|     0x014, 0x013, 0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc2_codes[165] = { | ||||
|     0x0034, 0x059C, 0x0280, 0x001C, 0x004C, 0x00BD, 0x0020, 0x003C, | ||||
|     0x000A, 0x0003, 0x00FD, 0x008C, 0x0332, 0x01D5, 0x0055, 0x003E, | ||||
|     0x0001, 0x07E4, 0x0264, 0x00B2, 0x00A2, 0x005C, 0x0005, 0x02A2, | ||||
|     0x011D, 0x0132, 0x076C, 0x0012, 0x0018, 0x01E4, 0x05E4, 0x02B2, | ||||
|     0x0432, 0x017D, 0x000E, 0x055D, 0x0955, 0x0164, 0x0028, 0x0D62, | ||||
|     0x0B24, 0x02DE, 0x001E, 0x0340, 0x0014, 0x0555, 0x0180, 0x00DD, | ||||
|     0x01B2, 0x0092, 0x036C, 0x00EC, 0x00E4, 0x00C0, 0x0C64, 0x095D, | ||||
|     0x01DE, 0x0AE4, 0x0C32, 0x01A2, 0x06E4, 0x0832, 0x01A4, 0x015D, | ||||
|     0x0732, 0x031D, 0x0F9C, 0x03E2, 0x09E2, 0x02FD, 0x0224, 0x051D, | ||||
|     0x02E4, 0x019C, 0x05B2, 0x0355, 0x0064, 0x016C, 0x038C, 0x0880, | ||||
|     0x0480, 0x06B2, 0x0540, 0x0080, 0x075D, 0x0155, 0x0424, 0x0680, | ||||
|     0x0A62, 0x0A80, 0x078C, 0x0D9C, 0x0F8C, 0x0562, 0x0FF2, 0x0464, | ||||
|     0x0B55, 0x01E2, 0x0032, 0x07F2, 0x0140, 0x03E4, 0x0662, 0x0755, | ||||
|     0x0380, 0x026C, 0x0232, 0x001D, 0x0040, 0x00E2, 0x035D, 0x00F2, | ||||
|     0x0162, 0x01FD, 0x03F2, 0x000C, 0x0EA2, 0x05F2, 0x0072, 0x04E4, | ||||
|     0x0F32, 0x018C, 0x009D, 0x0324, 0x079C, 0x006C, 0x0054, 0x0F5D, | ||||
|     0x021D, 0x0015, 0x0024, 0x06A2, 0x009C, 0x0004, 0x0062, 0x056C, | ||||
|     0x0262, 0x0000, 0x002E, 0x01F2, 0x0124, 0x039C, 0x005E, 0x0010, | ||||
|     0x0724, 0x00A4, 0x00DE, 0x0362, 0x0052, 0x000D, 0x03B2, 0x007D, | ||||
|     0x05E2, 0x00D5, 0x005D, 0x0035, 0x0009, 0x099C, 0x0022, 0x002C, | ||||
|     0x003D, 0x0008, 0x0002, 0x0006, 0x0007, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc2_bits[165] = { | ||||
|      6, 12, 12,  8,  7,  8,  6,  6, | ||||
|      4,  3, 10,  9, 11,  9,  9,  6, | ||||
|      4, 11, 10, 10, 10,  7,  5, 11, | ||||
|     11, 10, 11,  8,  5, 11, 11, 11, | ||||
|     12,  9,  6, 11, 12,  9,  6, 12, | ||||
|     12, 10,  7, 10,  7, 11, 10,  8, | ||||
|     11,  8, 11,  8, 11,  8, 12, 12, | ||||
|      9, 12, 12,  9, 11, 12,  9, 12, | ||||
|     12, 10, 12, 10, 12, 10, 10, 11, | ||||
|     12, 12, 11, 12, 11, 11, 11, 12, | ||||
|     11, 11, 11, 12, 12, 12, 11, 11, | ||||
|     12, 12, 12, 12, 12, 12, 12, 12, | ||||
|     12, 12, 12, 12, 11, 11, 11, 11, | ||||
|     10, 10, 10, 10,  9,  9, 11,  9, | ||||
|     11,  9, 11,  8, 12, 11,  8, 11, | ||||
|     12, 10,  8, 12, 12, 10,  7, 12, | ||||
|     10,  7, 11, 12,  9,  6, 10, 11, | ||||
|     12,  8,  6, 11, 10, 11,  8,  5, | ||||
|     11,  9, 10, 10,  7,  5, 10,  9, | ||||
|     11,  9,  9,  6,  4, 12,  8,  7, | ||||
|      8,  6,  6,  4,  3, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc3_syms[162] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD6, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, | ||||
|     0xFC6, 0xFC5, 0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB5, 0xFB3, | ||||
|     0xFB2, 0xFB1, 0xFB0, 0xFA5, 0xFA3, 0xFA1, 0xFA0, 0xF95, | ||||
|     0xF93, 0xF91, 0xF90, 0xF85, 0xF83, 0xF81, 0xF80, 0xF71, | ||||
|     0xF70, 0xF66, 0xF61, 0xF60, 0xF56, 0xF51, 0xF50, 0xF46, | ||||
|     0xF41, 0xF40, 0xF36, 0xF31, 0xF30, 0xF26, 0xF21, 0xF20, | ||||
|     0xF11, 0xF10, 0xF01, 0xF00, 0xEF3, 0xEF1, 0xEF0, 0xEE3, | ||||
|     0xEE1, 0xEE0, 0xED3, 0xED1, 0xED0, 0xEC1, 0xEC0, 0xEB1, | ||||
|     0xEB0, 0xEA0, 0xE90, 0xE80, 0xE70, 0x1E1, 0x1D1, 0x1D0, | ||||
|     0x1C1, 0x1B1, 0x1A1, 0x180, 0x170, 0x163, 0x160, 0x150, | ||||
|     0x140, 0x130, 0x123, 0x120, 0x113, 0x110, 0x100, 0x0F0, | ||||
|     0x0E0, 0x0D1, 0x0D0, 0x0C1, 0x0C0, 0x0B1, 0x0B0, 0x0A1, | ||||
|     0x0A0, 0x095, 0x091, 0x090, 0x085, 0x081, 0x080, 0x076, | ||||
|     0x075, 0x073, 0x071, 0x070, 0x066, 0x065, 0x063, 0x061, | ||||
|     0x060, 0x055, 0x053, 0x052, 0x051, 0x050, 0x045, 0x043, | ||||
|     0x042, 0x041, 0x040, 0x036, 0x035, 0x034, 0x033, 0x032, | ||||
|     0x031, 0x030, 0x026, 0x025, 0x024, 0x023, 0x022, 0x021, | ||||
|     0x020, 0x018, 0x017, 0x016, 0x015, 0x014, 0x013, 0x012, | ||||
|     0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc3_codes[162] = { | ||||
|     0x001D, 0x087C, 0x0AE8, 0x003A, 0x001C, 0x0008, 0x000C, 0x0032, | ||||
|     0x0006, 0x0003, 0x03A5, 0x01EC, 0x01A5, 0x0080, 0x0030, 0x0005, | ||||
|     0x0001, 0x0040, 0x03FC, 0x02D4, 0x0154, 0x02FC, 0x003C, 0x0015, | ||||
|     0x051A, 0x0000, 0x02EC, 0x077C, 0x00D2, 0x0018, 0x03E8, 0x04EC, | ||||
|     0x027C, 0x01FA, 0x0022, 0x0765, 0x0EA5, 0x0054, 0x0010, 0x08EC, | ||||
|     0x0AAC, 0x03BA, 0x0042, 0x065D, 0x0AD4, 0x005C, 0x0028, 0x03C0, | ||||
|     0x00E5, 0x035C, 0x04FA, 0x00DC, 0x06A5, 0x075C, 0x00C8, 0x05A5, | ||||
|     0x04D4, 0x00BA, 0x01C0, 0x05E8, 0x012C, 0x00E8, 0x01B0, 0x00B0, | ||||
|     0x025D, 0x002C, 0x0A52, 0x025C, 0x01E8, 0x00FA, 0x0348, 0x0652, | ||||
|     0x0B7C, 0x0365, 0x031A, 0x0E52, 0x011A, 0x0200, 0x01BA, 0x02AC, | ||||
|     0x06D4, 0x01FC, 0x05BA, 0x0DFC, 0x0248, 0x0EE8, 0x0B1A, 0x0CFC, | ||||
|     0x0F65, 0x0B5C, 0x0DC0, 0x007C, 0x0548, 0x08A5, 0x00FC, 0x03B0, | ||||
|     0x0148, 0x06AC, 0x0252, 0x071A, 0x02E8, 0x0240, 0x00AC, 0x021A, | ||||
|     0x0140, 0x08E8, 0x01AC, 0x00EC, 0x0152, 0x00A5, 0x0068, 0x001A, | ||||
|     0x006C, 0x05C0, 0x015C, 0x0025, 0x05B0, 0x017C, 0x0014, 0x047C, | ||||
|     0x00D4, 0x06E8, 0x00C0, 0x0002, 0x0A5D, 0x04E8, 0x0A7C, 0x01D4, | ||||
|     0x0020, 0x04A5, 0x07B0, 0x037C, 0x015D, 0x002A, 0x005D, 0x0048, | ||||
|     0x067C, 0x007A, 0x0004, 0x04FC, 0x02FA, 0x0648, 0x0100, 0x0052, | ||||
|     0x005A, 0x000D, 0x0165, 0x0065, 0x02A5, 0x0070, 0x00F0, 0x003D, | ||||
|     0x0009, 0x05FC, 0x0E48, 0x009A, 0x0012, 0x00DD, 0x0034, 0x000A, | ||||
|     0x000E, 0x0007, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc3_bits[162] = { | ||||
|      7, 12, 12,  8,  7,  7,  6,  6, | ||||
|      4,  3, 10,  9, 11,  8,  8,  6, | ||||
|      4, 10, 10, 12,  9, 10,  7,  5, | ||||
|     11, 10, 10, 11,  8,  5, 10, 11, | ||||
|     12,  9,  6, 12, 12,  9,  6, 12, | ||||
|     12, 10,  7, 11, 12, 10,  7, 10, | ||||
|      8, 12, 11,  8, 12, 11,  8, 11, | ||||
|     11,  9, 11, 11,  9, 12, 11,  9, | ||||
|     12,  9, 12, 10, 11, 11, 10, 12, | ||||
|     12, 11, 12, 12, 11, 10, 11, 12, | ||||
|     11, 11, 11, 12, 11, 12, 12, 12, | ||||
|     12, 12, 12, 12, 11, 12, 11, 11, | ||||
|     11, 11, 12, 11, 12, 10, 10, 10, | ||||
|      9, 12,  9, 12,  9, 12,  8, 10, | ||||
|      8, 12, 10,  8, 11, 10,  7, 11, | ||||
|     11, 12,  9,  7, 12, 11, 12,  9, | ||||
|      6, 11, 11, 12,  9,  6, 10, 10, | ||||
|     11,  8,  5, 12, 10, 12,  9, 10, | ||||
|      7,  5, 10,  9, 11,  8,  8,  6, | ||||
|      4, 12, 12,  8,  7,  8,  6,  6, | ||||
|      4,  3, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc4_syms[131] = { | ||||
|    0x1000, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, 0xFF1, 0xFF0, | ||||
|     0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, 0xFE0, 0xFD6, | ||||
|     0xFD5, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC5, 0xFC3, 0xFC2, | ||||
|     0xFC1, 0xFC0, 0xFB5, 0xFB3, 0xFB1, 0xFB0, 0xFA5, 0xFA3, | ||||
|     0xFA1, 0xFA0, 0xF93, 0xF91, 0xF90, 0xF81, 0xF80, 0xF76, | ||||
|     0xF71, 0xF70, 0xF66, 0xF61, 0xF60, 0xF56, 0xF51, 0xF50, | ||||
|     0xF41, 0xF40, 0xF31, 0xF30, 0xF23, 0xF21, 0xF20, 0xF13, | ||||
|     0xF11, 0xF10, 0xF03, 0xF01, 0xF00, 0xEF1, 0xEF0, 0xEE0, | ||||
|     0xED0, 0xEC0, 0xEB0, 0x191, 0x181, 0x180, 0x171, 0x161, | ||||
|     0x140, 0x130, 0x123, 0x120, 0x110, 0x100, 0x0F3, 0x0F0, | ||||
|     0x0E0, 0x0D0, 0x0C0, 0x0B1, 0x0B0, 0x0A1, 0x0A0, 0x091, | ||||
|     0x090, 0x085, 0x081, 0x080, 0x075, 0x071, 0x070, 0x066, | ||||
|     0x065, 0x063, 0x061, 0x060, 0x056, 0x055, 0x053, 0x051, | ||||
|     0x050, 0x045, 0x043, 0x042, 0x041, 0x040, 0x036, 0x035, | ||||
|     0x033, 0x032, 0x031, 0x030, 0x026, 0x025, 0x024, 0x023, | ||||
|     0x022, 0x021, 0x020, 0x018, 0x016, 0x015, 0x014, 0x013, | ||||
|     0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc4_codes[131] = { | ||||
|     0x006B, 0x00BE, 0x0052, 0x00F3, 0x005B, 0x003A, 0x0009, 0x0007, | ||||
|     0x00DA, 0x03FB, 0x0123, 0x00B3, 0x01B3, 0x002E, 0x0006, 0x030A, | ||||
|     0x005A, 0x004A, 0x034A, 0x0072, 0x0005, 0x02DA, 0x0173, 0x04FB, | ||||
|     0x0032, 0x0013, 0x039B, 0x0B9B, 0x011E, 0x0002, 0x00FB, 0x021E, | ||||
|     0x009B, 0x007E, 0x0E1A, 0x03CA, 0x007B, 0x02FB, 0x0033, 0x03AB, | ||||
|     0x0463, 0x008A, 0x0773, 0x041E, 0x002B, 0x031B, 0x065A, 0x011A, | ||||
|     0x060A, 0x01DA, 0x0963, 0x0323, 0x0BAB, 0x059E, 0x010A, 0x05AB, | ||||
|     0x0CFB, 0x071B, 0x079E, 0x0F9E, 0x0263, 0x079B, 0x0563, 0x019E, | ||||
|     0x01AB, 0x0E63, 0x029B, 0x04CA, 0x0DAB, 0x0663, 0x0B1B, 0x020A, | ||||
|     0x0A1E, 0x021A, 0x0063, 0x061E, 0x06FB, 0x025A, 0x0163, 0x0573, | ||||
|     0x000A, 0x0223, 0x011B, 0x0C1A, 0x015A, 0x0863, 0x00AB, 0x02CA, | ||||
|     0x00B2, 0x0A0A, 0x01CA, 0x00A3, 0x0B73, 0x0023, 0x0012, 0x039E, | ||||
|     0x001A, 0x0CCA, 0x01FB, 0x005E, 0x0A9B, 0x00CA, 0x0373, 0x009E, | ||||
|     0x0022, 0x07AB, 0x001E, 0x0EFB, 0x009A, 0x000B, 0x041A, 0x019B, | ||||
|     0x0363, 0x014A, 0x006A, 0x0015, 0x069B, 0x0073, 0x0523, 0x001B, | ||||
|     0x012B, 0x0003, 0x0001, 0x061A, 0x003E, 0x002A, 0x00E3, 0x003B, | ||||
|     0x000E, 0x000D, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc4_bits[131] = { | ||||
|      7,  8,  7,  8,  7,  6,  4,  3, | ||||
|     10, 10, 11,  9,  9,  6,  4, 10, | ||||
|     10,  9, 10,  7,  5, 10, 11, 12, | ||||
|      8,  6, 12, 12,  9,  6, 11, 12, | ||||
|     10,  7, 12, 10,  8, 11,  8, 12, | ||||
|     11,  8, 11, 11,  9, 12, 11,  9, | ||||
|     11,  9, 12, 10, 12, 11, 10, 12, | ||||
|     12, 11, 12, 12, 11, 11, 11, 11, | ||||
|     11, 12, 12, 12, 12, 12, 12, 12, | ||||
|     12, 11, 12, 11, 12, 11, 12, 11, | ||||
|     10, 10, 10, 12,  9, 12,  9, 10, | ||||
|      8, 12, 10,  8, 12, 10,  7, 11, | ||||
|     11, 12, 10,  7, 12, 11, 12,  9, | ||||
|      6, 11, 11, 12,  8,  6, 12, 10, | ||||
|     10, 10,  7,  5, 11,  9, 11,  9, | ||||
|      9,  6,  4, 12,  8,  7,  8,  7, | ||||
|      6,  4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc5_syms[132] = { | ||||
|    0x1000, 0xFF8, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, 0xFF1, | ||||
|     0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, 0xFE0, | ||||
|     0xFD6, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC5, | ||||
|     0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB5, 0xFB3, 0xFB1, 0xFB0, | ||||
|     0xFA3, 0xFA1, 0xFA0, 0xF96, 0xF93, 0xF91, 0xF90, 0xF86, | ||||
|     0xF85, 0xF81, 0xF80, 0xF76, 0xF75, 0xF71, 0xF70, 0xF66, | ||||
|     0xF61, 0xF60, 0xF51, 0xF50, 0xF43, 0xF41, 0xF40, 0xF33, | ||||
|     0xF31, 0xF30, 0xF23, 0xF21, 0xF20, 0xF11, 0xF10, 0xF00, | ||||
|     0xEF0, 0xEE0, 0xEC1, 0xEC0, 0x151, 0x141, 0x140, 0x131, | ||||
|     0x121, 0x120, 0x111, 0x110, 0x103, 0x100, 0x0F0, 0x0E0, | ||||
|     0x0D3, 0x0D0, 0x0C3, 0x0C1, 0x0C0, 0x0B1, 0x0B0, 0x0A1, | ||||
|     0x0A0, 0x091, 0x090, 0x081, 0x080, 0x075, 0x071, 0x070, | ||||
|     0x065, 0x061, 0x060, 0x056, 0x055, 0x053, 0x052, 0x051, | ||||
|     0x050, 0x046, 0x045, 0x043, 0x042, 0x041, 0x040, 0x035, | ||||
|     0x034, 0x033, 0x032, 0x031, 0x030, 0x026, 0x025, 0x024, | ||||
|     0x023, 0x022, 0x021, 0x020, 0x018, 0x016, 0x015, 0x014, | ||||
|     0x013, 0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc5_codes[132] = { | ||||
|     0x0001, 0x0D62, 0x00BD, 0x0022, 0x009B, 0x0032, 0x0019, 0x0005, | ||||
|     0x0007, 0x034D, 0x009A, 0x012B, 0x0052, 0x006B, 0x003A, 0x0006, | ||||
|     0x06FD, 0x017D, 0x081A, 0x031B, 0x031A, 0x0012, 0x0011, 0x0202, | ||||
|     0x00FD, 0x051B, 0x00D2, 0x001D, 0x011A, 0x0782, 0x018D, 0x007B, | ||||
|     0x067D, 0x037D, 0x0021, 0x0E8D, 0x0562, 0x008D, 0x00BB, 0x053D, | ||||
|     0x082A, 0x0002, 0x000D, 0x0302, 0x007D, 0x053B, 0x003B, 0x0A4D, | ||||
|     0x027D, 0x01FD, 0x042A, 0x01C2, 0x041A, 0x0182, 0x014D, 0x0162, | ||||
|     0x00C2, 0x032A, 0x0D9A, 0x012A, 0x0102, 0x087D, 0x072B, 0x039A, | ||||
|     0x0362, 0x019A, 0x0C62, 0x04C2, 0x0D1B, 0x028D, 0x0762, 0x0E7D, | ||||
|     0x0E41, 0x059A, 0x024D, 0x093B, 0x052B, 0x011B, 0x064D, 0x013D, | ||||
|     0x0382, 0x0262, 0x0641, 0x0462, 0x004D, 0x0CC2, 0x033B, 0x068D, | ||||
|     0x0141, 0x0D2B, 0x001B, 0x0041, 0x00C1, 0x0C41, 0x01E2, 0x00EB, | ||||
|     0x062A, 0x0082, 0x0061, 0x02FD, 0x047D, 0x013B, 0x002A, 0x003D, | ||||
|     0x005B, 0x022A, 0x02C2, 0x0241, 0x0062, 0x00AA, 0x000B, 0x00E2, | ||||
|     0x001A, 0x033D, 0x021A, 0x006A, 0x0009, 0x032B, 0x002B, 0x04FD, | ||||
|     0x0042, 0x016B, 0x002D, 0x000E, 0x0441, 0x00CD, 0x005A, 0x00AB, | ||||
|     0x000A, 0x0039, 0x0003, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc5_bits[132] = { | ||||
|      7, 12,  8,  7,  8,  6,  6,  4, | ||||
|      3, 10,  9, 11,  8,  9,  6,  4, | ||||
|     11, 10, 12, 10, 10,  7,  5, 10, | ||||
|     11, 12,  8,  6, 10, 11,  9,  7, | ||||
|     12, 10,  7, 12, 12, 10,  8, 11, | ||||
|     12, 10,  8, 10, 12, 11,  9, 12, | ||||
|     11,  9, 11,  9, 11, 10, 10, 11, | ||||
|     11, 10, 12, 10, 10, 12, 11, 10, | ||||
|     11, 11, 12, 12, 12, 11, 11, 12, | ||||
|     12, 12, 12, 12, 12, 11, 11, 11, | ||||
|     11, 10, 12, 12, 10, 12, 10, 12, | ||||
|      9, 12,  9, 11,  8, 12,  9,  8, | ||||
|     11,  9,  7, 11, 11, 12, 12,  9, | ||||
|      7, 11, 10, 11, 11,  8,  6,  9, | ||||
|     12, 10, 10,  7,  5, 11,  9, 11, | ||||
|      8,  9,  6,  4, 12,  8,  7,  8, | ||||
|      6,  6,  4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc6_syms[130] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD6, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, | ||||
|     0xFC5, 0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB5, 0xFB3, 0xFB1, | ||||
|     0xFB0, 0xFA6, 0xFA3, 0xFA1, 0xFA0, 0xF96, 0xF95, 0xF93, | ||||
|     0xF91, 0xF90, 0xF86, 0xF85, 0xF81, 0xF80, 0xF76, 0xF71, | ||||
|     0xF70, 0xF63, 0xF61, 0xF60, 0xF53, 0xF51, 0xF50, 0xF43, | ||||
|     0xF41, 0xF40, 0xF31, 0xF30, 0xF20, 0xF10, 0xF00, 0xEF0, | ||||
|     0xEE1, 0x131, 0x121, 0x120, 0x111, 0x110, 0x101, 0x100, | ||||
|     0x0F1, 0x0F0, 0x0E3, 0x0E1, 0x0E0, 0x0D1, 0x0D0, 0x0C3, | ||||
|     0x0C0, 0x0B3, 0x0B1, 0x0B0, 0x0A1, 0x0A0, 0x091, 0x090, | ||||
|     0x081, 0x080, 0x075, 0x071, 0x070, 0x065, 0x063, 0x061, | ||||
|     0x060, 0x056, 0x055, 0x053, 0x051, 0x050, 0x046, 0x045, | ||||
|     0x043, 0x042, 0x041, 0x040, 0x036, 0x035, 0x034, 0x033, | ||||
|     0x032, 0x031, 0x030, 0x026, 0x025, 0x024, 0x023, 0x022, | ||||
|     0x021, 0x020, 0x018, 0x016, 0x015, 0x014, 0x013, 0x012, | ||||
|     0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc6_codes[130] = { | ||||
|     0x0022, 0x0BB2, 0x0942, 0x002B, 0x0072, 0x0002, 0x001A, 0x0039, | ||||
|     0x000D, 0x0007, 0x007B, 0x008E, 0x06DB, 0x00EA, 0x015B, 0x002E, | ||||
|     0x0006, 0x0959, 0x027B, 0x0A0E, 0x01AB, 0x008A, 0x0012, 0x001E, | ||||
|     0x0575, 0x005B, 0x02AB, 0x00C2, 0x0015, 0x036A, 0x04B2, 0x0099, | ||||
|     0x001B, 0x0519, 0x0C19, 0x00DB, 0x004E, 0x0042, 0x0159, 0x03B2, | ||||
|     0x030E, 0x00EB, 0x0252, 0x0EAB, 0x018A, 0x00E2, 0x06AB, 0x0242, | ||||
|     0x017B, 0x0452, 0x0319, 0x0152, 0x025B, 0x016A, 0x00AB, 0x0052, | ||||
|     0x05B2, 0x010E, 0x038E, 0x028A, 0x0359, 0x0019, 0x078A, 0x0C52, | ||||
|     0x0D8E, 0x0ED9, 0x02D9, 0x0662, 0x0119, 0x09B2, 0x0BAB, 0x0D19, | ||||
|     0x0C5B, 0x00B2, 0x0542, 0x0B8A, 0x02B2, 0x0142, 0x065B, 0x058E, | ||||
|     0x0062, 0x018E, 0x038A, 0x00D9, 0x0419, 0x0162, 0x03AB, 0x0075, | ||||
|     0x07B2, 0x0032, 0x020E, 0x07AB, 0x006B, 0x045B, 0x01B2, 0x0199, | ||||
|     0x002A, 0x0375, 0x0775, 0x0AAB, 0x01D9, 0x003B, 0x060E, 0x0342, | ||||
|     0x0175, 0x0262, 0x000A, 0x0005, 0x0559, 0x006A, 0x0D59, 0x0219, | ||||
|     0x000E, 0x004A, 0x0009, 0x0719, 0x0059, 0x02DB, 0x00D2, 0x01DB, | ||||
|     0x0025, 0x0001, 0x06D9, 0x00F5, 0x0035, 0x00FB, 0x003A, 0x000B, | ||||
|     0x0003, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc6_bits[130] = { | ||||
|      7, 12, 12,  8,  7,  7,  6,  6, | ||||
|      4,  3, 10,  9, 11,  8,  9,  6, | ||||
|      4, 12, 10, 12, 10, 10,  7,  5, | ||||
|     11, 11, 12,  8,  6, 10, 11,  9, | ||||
|      7, 12, 12, 10,  7, 10, 12, 12, | ||||
|     10,  8, 10, 12, 10,  8, 12, 10, | ||||
|      9, 12, 11,  9, 11, 10, 10, 11, | ||||
|     11, 10, 10, 10, 10, 11, 11, 12, | ||||
|     12, 12, 11, 11, 11, 12, 12, 12, | ||||
|     12, 11, 11, 12, 10, 12, 11, 12, | ||||
|     10, 11, 12, 10, 12,  9, 12,  9, | ||||
|     11,  8, 12, 11,  8, 12, 12,  9, | ||||
|      7, 11, 11, 12,  9,  7, 11, 10, | ||||
|     11, 11,  8,  6, 12,  9, 12, 10, | ||||
|     10,  7,  5, 11,  9, 11,  8,  9, | ||||
|      6,  4, 12,  8,  7,  8,  6,  6, | ||||
|      4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc7_syms[125] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC5, | ||||
|     0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB5, 0xFB3, 0xFB1, 0xFB0, | ||||
|     0xFA6, 0xFA5, 0xFA3, 0xFA1, 0xFA0, 0xF96, 0xF95, 0xF93, | ||||
|     0xF91, 0xF90, 0xF86, 0xF81, 0xF80, 0xF73, 0xF71, 0xF70, | ||||
|     0xF63, 0xF61, 0xF60, 0xF53, 0xF51, 0xF50, 0xF41, 0xF40, | ||||
|     0xF31, 0xF30, 0xF20, 0xF10, 0xF01, 0xF00, 0x121, 0x111, | ||||
|     0x101, 0x100, 0x0F1, 0x0F0, 0x0E1, 0x0E0, 0x0D1, 0x0D0, | ||||
|     0x0C3, 0x0C1, 0x0C0, 0x0B1, 0x0B0, 0x0A3, 0x0A1, 0x0A0, | ||||
|     0x093, 0x091, 0x090, 0x081, 0x080, 0x071, 0x070, 0x065, | ||||
|     0x063, 0x061, 0x060, 0x055, 0x053, 0x052, 0x051, 0x050, | ||||
|     0x046, 0x045, 0x043, 0x042, 0x041, 0x040, 0x036, 0x035, | ||||
|     0x034, 0x033, 0x032, 0x031, 0x030, 0x026, 0x025, 0x024, | ||||
|     0x023, 0x022, 0x021, 0x020, 0x018, 0x017, 0x016, 0x015, | ||||
|     0x014, 0x013, 0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc7_codes[125] = { | ||||
|     0x0053, 0x009A, 0x0EE2, 0x00D3, 0x006A, 0x0052, 0x003A, 0x0035, | ||||
|     0x000D, 0x0007, 0x0062, 0x0125, 0x0142, 0x0019, 0x01F3, 0x0029, | ||||
|     0x000E, 0x0082, 0x0ADA, 0x02E3, 0x00E2, 0x0022, 0x0006, 0x0065, | ||||
|     0x05E3, 0x0765, 0x0032, 0x0039, 0x0F99, 0x05E2, 0x0099, 0x0033, | ||||
|     0x0362, 0x0799, 0x0F65, 0x0073, 0x004A, 0x02A5, 0x0162, 0x0742, | ||||
|     0x01A5, 0x00D9, 0x0342, 0x005A, 0x00AA, 0x0EF3, 0x0182, 0x01DA, | ||||
|     0x0382, 0x035A, 0x00F3, 0x0673, 0x0165, 0x00E5, 0x06F3, 0x0225, | ||||
|     0x0842, 0x025A, 0x07E3, 0x0399, 0x07A5, 0x072A, 0x0F2A, 0x09E3, | ||||
|     0x0273, 0x049A, 0x02E5, 0x0B99, 0x02E2, 0x0E73, 0x0562, 0x02F3, | ||||
|     0x032A, 0x0F42, 0x00DA, 0x0999, 0x012A, 0x0365, 0x00A5, 0x00E3, | ||||
|     0x0199, 0x03E3, 0x019A, 0x01E2, 0x0173, 0x06E5, 0x0059, 0x01E3, | ||||
|     0x02DA, 0x002A, 0x000A, 0x06DA, 0x0FA5, 0x0042, 0x01E5, 0x0013, | ||||
|     0x03E2, 0x015A, 0x03A5, 0x0442, 0x001A, 0x0005, 0x04A5, 0x0265, | ||||
|     0x08A5, 0x0025, 0x029A, 0x0072, 0x0016, 0x0599, 0x00C2, 0x0242, | ||||
|     0x00B2, 0x0002, 0x0015, 0x0001, 0x0BE3, 0x06E2, 0x0063, 0x0023, | ||||
|     0x0012, 0x0009, 0x0003, 0x000B, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc7_bits[125] = { | ||||
|      8, 11, 12,  8,  7,  7,  6,  6, | ||||
|      4,  3,  9,  9, 10,  8,  9,  6, | ||||
|      4,  9, 12, 10, 10,  7,  5, 10, | ||||
|     11, 12,  8,  6, 12, 11,  9,  7, | ||||
|     10, 12, 12, 10,  7, 10, 11, 12, | ||||
|     10,  8, 11, 10,  8, 12, 10,  9, | ||||
|     10, 10, 10, 12, 10, 10, 12, 10, | ||||
|     12, 10, 11, 12, 12, 12, 12, 12, | ||||
|     11, 11, 11, 12, 11, 12, 11, 11, | ||||
|     11, 12, 10, 12, 10, 11, 12, 10, | ||||
|     12, 12,  9, 11,  9, 11,  8, 12, | ||||
|     12,  9,  7, 11, 12, 12,  9,  7, | ||||
|     10, 10, 11, 11,  8,  6, 11, 10, | ||||
|     12, 10, 10,  7,  5, 11,  8, 10, | ||||
|      8,  8,  6,  4, 12, 12,  8,  7, | ||||
|      7,  6,  6,  4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc8_syms[121] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC5, | ||||
|     0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB6, 0xFB5, 0xFB3, 0xFB1, | ||||
|     0xFB0, 0xFA6, 0xFA5, 0xFA3, 0xFA1, 0xFA0, 0xF96, 0xF95, | ||||
|     0xF93, 0xF91, 0xF90, 0xF86, 0xF83, 0xF81, 0xF80, 0xF73, | ||||
|     0xF71, 0xF70, 0xF63, 0xF61, 0xF60, 0xF51, 0xF50, 0xF41, | ||||
|     0xF40, 0xF30, 0xF21, 0xF20, 0x111, 0x101, 0x0F1, 0x0E1, | ||||
|     0x0E0, 0x0D1, 0x0D0, 0x0C1, 0x0C0, 0x0B3, 0x0B1, 0x0B0, | ||||
|     0x0A3, 0x0A1, 0x0A0, 0x093, 0x091, 0x090, 0x083, 0x081, | ||||
|     0x080, 0x073, 0x071, 0x070, 0x065, 0x063, 0x061, 0x060, | ||||
|     0x055, 0x053, 0x051, 0x050, 0x046, 0x045, 0x043, 0x042, | ||||
|     0x041, 0x040, 0x036, 0x035, 0x034, 0x033, 0x032, 0x031, | ||||
|     0x030, 0x026, 0x025, 0x024, 0x023, 0x022, 0x021, 0x020, | ||||
|     0x018, 0x017, 0x016, 0x015, 0x014, 0x013, 0x012, 0x011, | ||||
|     0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc8_codes[121] = { | ||||
|     0x00F6, 0x0676, 0x0EB6, 0x00F3, 0x0056, 0x006A, 0x0039, 0x0003, | ||||
|     0x000D, 0x0007, 0x00A2, 0x0173, 0x00CA, 0x0025, 0x0082, 0x0019, | ||||
|     0x0001, 0x00B6, 0x0276, 0x02E3, 0x00B2, 0x0062, 0x001A, 0x0175, | ||||
|     0x01E3, 0x0BE5, 0x004A, 0x0029, 0x07A5, 0x00E3, 0x030A, 0x0176, | ||||
|     0x0023, 0x0042, 0x05CA, 0x00A5, 0x0142, 0x0052, 0x04A5, 0x0B02, | ||||
|     0x0D22, 0x0375, 0x0065, 0x0522, 0x0DE3, 0x010A, 0x00F5, 0x0136, | ||||
|     0x0275, 0x01B2, 0x03F5, 0x03E3, 0x0002, 0x08E3, 0x01A2, 0x0B36, | ||||
|     0x020A, 0x0076, 0x0CE3, 0x07E5, 0x070A, 0x03A5, 0x02B6, 0x0036, | ||||
|     0x01E5, 0x02A5, 0x05E3, 0x07B6, 0x07F5, 0x0736, 0x0BA5, 0x0075, | ||||
|     0x0302, 0x0FE5, 0x01B6, 0x0102, 0x04E3, 0x0022, 0x08A5, 0x01CA, | ||||
|     0x00E5, 0x0F0A, 0x05E5, 0x0096, 0x0A76, 0x0336, 0x0236, 0x0012, | ||||
|     0x03B6, 0x0BF5, 0x0073, 0x0035, 0x02B2, 0x000A, 0x0476, 0x0122, | ||||
|     0x0016, 0x0009, 0x0322, 0x01F5, 0x03E5, 0x01A5, 0x03CA, 0x0072, | ||||
|     0x0006, 0x06A5, 0x0032, 0x02CA, 0x008A, 0x00C2, 0x0015, 0x000E, | ||||
|     0x0702, 0x06B6, 0x0063, 0x0033, 0x002A, 0x0005, 0x0013, 0x000B, | ||||
|     0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc8_bits[121] = { | ||||
|      8, 11, 12,  8,  7,  7,  6,  6, | ||||
|      4,  3,  9,  9, 10,  8,  8,  6, | ||||
|      4, 10, 12, 10, 10,  7,  5, 10, | ||||
|     11, 12,  8,  6, 11, 12, 11,  9, | ||||
|      7,  9, 11, 12,  9,  7, 11, 12, | ||||
|     12, 10,  8, 12, 12, 10,  9, 10, | ||||
|     10,  9, 12, 10,  9, 12,  9, 12, | ||||
|     10, 11, 12, 12, 12, 12, 11, 10, | ||||
|     11, 11, 12, 11, 11, 11, 12, 10, | ||||
|     12, 12, 10, 10, 12,  9, 12, 11, | ||||
|      9, 12, 11,  8, 12, 12, 10,  7, | ||||
|     11, 12,  9,  7, 10, 10, 11, 11, | ||||
|      8,  6, 10, 10, 12, 10, 10,  7, | ||||
|      5, 11,  8, 10,  8,  8,  6,  4, | ||||
|     11, 12,  8,  7,  7,  6,  6,  4, | ||||
|      2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc9_syms[114] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC5, | ||||
|     0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB6, 0xFB5, 0xFB3, 0xFB2, | ||||
|     0xFB1, 0xFB0, 0xFA6, 0xFA5, 0xFA3, 0xFA1, 0xFA0, 0xF96, | ||||
|     0xF93, 0xF91, 0xF90, 0xF83, 0xF81, 0xF80, 0xF73, 0xF71, | ||||
|     0xF70, 0xF61, 0xF60, 0xF51, 0xF50, 0xF40, 0xF31, 0xF30, | ||||
|     0xF21, 0x121, 0x0F1, 0x0E1, 0x0D1, 0x0D0, 0x0C1, 0x0C0, | ||||
|     0x0B1, 0x0B0, 0x0A3, 0x0A1, 0x0A0, 0x093, 0x091, 0x090, | ||||
|     0x083, 0x081, 0x080, 0x073, 0x071, 0x070, 0x065, 0x063, | ||||
|     0x061, 0x060, 0x055, 0x053, 0x051, 0x050, 0x045, 0x043, | ||||
|     0x042, 0x041, 0x040, 0x036, 0x035, 0x034, 0x033, 0x032, | ||||
|     0x031, 0x030, 0x026, 0x025, 0x024, 0x023, 0x022, 0x021, | ||||
|     0x020, 0x018, 0x017, 0x016, 0x015, 0x014, 0x013, 0x012, | ||||
|     0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_desc9_codes[114] = { | ||||
|     0x0061, 0x0403, 0x0DB1, 0x0012, 0x0071, 0x0056, 0x0035, 0x0023, | ||||
|     0x000D, 0x0007, 0x0243, 0x01D3, 0x026A, 0x00A1, 0x00A2, 0x0011, | ||||
|     0x000E, 0x01AA, 0x0531, 0x0093, 0x0222, 0x0032, 0x0006, 0x07F2, | ||||
|     0x04D3, 0x0C43, 0x0072, 0x0001, 0x0343, 0x05F2, 0x04AA, 0x03F2, | ||||
|     0x0031, 0x0045, 0x0143, 0x00AA, 0x0B31, 0x00F2, 0x00C3, 0x0693, | ||||
|     0x0BF2, 0x0203, 0x00E1, 0x03B1, 0x02D3, 0x00B1, 0x056A, 0x01D2, | ||||
|     0x008A, 0x046A, 0x01E2, 0x0003, 0x0103, 0x01B1, 0x02E2, 0x0293, | ||||
|     0x016A, 0x04E2, 0x0443, 0x0521, 0x0321, 0x0043, 0x00D3, 0x00E2, | ||||
|     0x0703, 0x00D2, 0x0731, 0x0A93, 0x0393, 0x0803, 0x0422, 0x0383, | ||||
|     0x018A, 0x006A, 0x0021, 0x096A, 0x0303, 0x0052, 0x0CE2, 0x0D31, | ||||
|     0x038A, 0x0013, 0x01F2, 0x0E93, 0x0083, 0x0005, 0x02D2, 0x0121, | ||||
|     0x0022, 0x00EA, 0x0036, 0x0122, 0x0193, 0x0331, 0x0183, 0x02AA, | ||||
|     0x004A, 0x001A, 0x0131, 0x002A, 0x036A, 0x000A, 0x0062, 0x0025, | ||||
|     0x0009, 0x06E2, 0x05B1, 0x0053, 0x0002, 0x0016, 0x0015, 0x0033, | ||||
|     0x000B, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_desc9_bits[114] = { | ||||
|      8, 11, 12,  7,  7,  7,  6,  6, | ||||
|      4,  3, 10,  9, 10,  8,  8,  6, | ||||
|      4,  9, 12, 10, 10,  7,  5, 11, | ||||
|     11, 12,  8,  6, 10, 11, 11, 12, | ||||
|      9,  7, 10, 11, 12,  9,  8, 12, | ||||
|     12, 10,  8, 10, 10,  9, 11,  9, | ||||
|      9, 11,  9, 12, 10, 11, 11, 12, | ||||
|     12, 12, 12, 11, 10, 11, 11, 11, | ||||
|     11, 10, 11, 12, 10, 12, 11, 10, | ||||
|     10, 11,  9, 12, 11,  8, 12, 12, | ||||
|     10,  8, 11, 12,  9,  7, 10, 11, | ||||
|     11,  8,  6,  9, 10, 12, 10, 10, | ||||
|      7,  5, 11,  8, 10,  8,  8,  6, | ||||
|      4, 11, 12,  8,  6,  7,  6,  6, | ||||
|      4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_descA_syms[110] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC6, | ||||
|     0xFC5, 0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB6, 0xFB5, 0xFB3, | ||||
|     0xFB2, 0xFB1, 0xFB0, 0xFA6, 0xFA5, 0xFA3, 0xFA1, 0xFA0, | ||||
|     0xF96, 0xF93, 0xF91, 0xF90, 0xF83, 0xF81, 0xF80, 0xF73, | ||||
|     0xF71, 0xF70, 0xF61, 0xF60, 0xF51, 0xF50, 0xF41, 0xF40, | ||||
|     0xF31, 0x0E1, 0x0D1, 0x0C1, 0x0C0, 0x0B1, 0x0B0, 0x0A1, | ||||
|     0x0A0, 0x093, 0x091, 0x090, 0x083, 0x081, 0x080, 0x073, | ||||
|     0x071, 0x070, 0x063, 0x061, 0x060, 0x055, 0x053, 0x051, | ||||
|     0x050, 0x045, 0x044, 0x043, 0x042, 0x041, 0x040, 0x036, | ||||
|     0x035, 0x034, 0x033, 0x032, 0x031, 0x030, 0x026, 0x025, | ||||
|     0x024, 0x023, 0x022, 0x021, 0x020, 0x018, 0x017, 0x016, | ||||
|     0x015, 0x014, 0x013, 0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_descA_codes[110] = { | ||||
|     0x002A, 0x04C5, 0x02A3, 0x004A, 0x0015, 0x0005, 0x0003, 0x0013, | ||||
|     0x000D, 0x0007, 0x0171, 0x0032, 0x0371, 0x0076, 0x0042, 0x0011, | ||||
|     0x000E, 0x00AA, 0x04D5, 0x03A3, 0x06A3, 0x0062, 0x001A, 0x06D5, | ||||
|     0x07F2, 0x0223, 0x0CD5, 0x006A, 0x0001, 0x00F6, 0x0623, 0x03F2, | ||||
|     0x07EA, 0x01F1, 0x0021, 0x03D5, 0x08C2, 0x07F6, 0x00F2, 0x00E3, | ||||
|     0x0FEA, 0x02C5, 0x01AA, 0x0082, 0x04A3, 0x00B6, 0x0071, 0x03B2, | ||||
|     0x0023, 0x01B6, 0x08A3, 0x0002, 0x0BB2, 0x00C5, 0x02EA, 0x0C23, | ||||
|     0x0FF6, 0x0423, 0x07B2, 0x01C5, 0x07D5, 0x01EA, 0x06EA, 0x02C2, | ||||
|     0x01F6, 0x01D5, 0x01B2, 0x00B2, 0x04F1, 0x03EA, 0x01A2, 0x02A2, | ||||
|     0x02D5, 0x0123, 0x00D5, 0x01F2, 0x0055, 0x05B2, 0x04C2, 0x0102, | ||||
|     0x0061, 0x05D5, 0x00C2, 0x00F1, 0x00A3, 0x0045, 0x0016, 0x01A3, | ||||
|     0x01C2, 0x08D5, 0x03C5, 0x00EA, 0x000A, 0x0006, 0x00A2, 0x0036, | ||||
|     0x02F1, 0x0072, 0x0022, 0x0025, 0x0009, 0x03F6, 0x0AA3, 0x0063, | ||||
|     0x0012, 0x0031, 0x0035, 0x0033, 0x000B, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_descA_bits[110] = { | ||||
|      8, 11, 12,  7,  7,  7,  6,  6, | ||||
|      4,  3, 10,  8, 10,  8,  8,  6, | ||||
|      4,  9, 12, 10, 11,  7,  5, 11, | ||||
|     11, 11, 12,  8,  6,  9, 11, 11, | ||||
|     12,  9,  7, 11, 12, 12,  9,  8, | ||||
|     12, 10,  9,  8, 11,  9,  9, 12, | ||||
|     11,  9, 12,  9, 12, 11, 11, 12, | ||||
|     12, 12, 11, 10, 11, 10, 11, 10, | ||||
|     10, 11, 11,  9, 11, 11,  9, 10, | ||||
|     11,  9, 12, 10,  8, 11, 11,  9, | ||||
|      7, 11, 12, 11, 12,  8,  6, 10, | ||||
|      9, 12, 10, 10,  7,  5, 10,  8, | ||||
|     10,  8,  8,  6,  4, 11, 12,  8, | ||||
|      6,  7,  6,  6,  4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_descB_syms[101] = { | ||||
|    0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC6, | ||||
|     0xFC5, 0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB6, 0xFB5, 0xFB3, | ||||
|     0xFB1, 0xFB0, 0xFA6, 0xFA3, 0xFA1, 0xFA0, 0xF93, 0xF91, | ||||
|     0xF90, 0xF83, 0xF81, 0xF80, 0xF71, 0xF70, 0xF61, 0xF60, | ||||
|     0xF51, 0xF50, 0xF41, 0x0F1, 0x0D1, 0x0C1, 0x0B1, 0x0B0, | ||||
|     0x0A1, 0x0A0, 0x091, 0x090, 0x083, 0x081, 0x080, 0x073, | ||||
|     0x071, 0x070, 0x063, 0x061, 0x060, 0x055, 0x053, 0x051, | ||||
|     0x050, 0x045, 0x043, 0x042, 0x041, 0x040, 0x036, 0x035, | ||||
|     0x034, 0x033, 0x032, 0x031, 0x030, 0x026, 0x025, 0x024, | ||||
|     0x023, 0x022, 0x021, 0x020, 0x018, 0x017, 0x016, 0x015, | ||||
|     0x014, 0x013, 0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_descB_codes[101] = { | ||||
|     0x00EE, 0x03A5, 0x0B73, 0x004E, 0x0035, 0x0015, 0x0023, 0x0013, | ||||
|     0x000D, 0x0007, 0x0673, 0x01F3, 0x02FE, 0x0096, 0x0133, 0x001E, | ||||
|     0x0001, 0x0116, 0x00F5, 0x03F5, 0x0473, 0x0052, 0x001A, 0x01D5, | ||||
|     0x0025, 0x0073, 0x0633, 0x0086, 0x0036, 0x012E, 0x0155, 0x0006, | ||||
|     0x0055, 0x000E, 0x0106, 0x023E, 0x0192, 0x0075, 0x0173, 0x01AE, | ||||
|     0x00D5, 0x08F5, 0x002E, 0x01FE, 0x0406, 0x00AE, 0x0E3E, 0x0206, | ||||
|     0x013E, 0x0373, 0x0D55, 0x063E, 0x0E33, 0x033E, 0x01F5, 0x0273, | ||||
|     0x003E, 0x06A5, 0x0092, 0x03D5, 0x04F5, 0x053E, 0x0016, 0x00FE, | ||||
|     0x07A5, 0x0125, 0x0506, 0x0292, 0x00BE, 0x0425, 0x0F73, 0x02F5, | ||||
|     0x0056, 0x0233, 0x02A5, 0x0C25, 0x007E, 0x0026, 0x0355, 0x0033, | ||||
|     0x0555, 0x01A5, 0x0306, 0x0046, 0x000A, 0x0225, 0x006E, 0x00A5, | ||||
|     0x0012, 0x00F3, 0x0005, 0x0009, 0x073E, 0x0773, 0x00B3, 0x0032, | ||||
|     0x0065, 0x0003, 0x0002, 0x000B, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_descB_bits[101] = { | ||||
|      8, 11, 12,  7,  7,  7,  6,  6, | ||||
|      4,  3, 11,  9, 10,  8,  9,  6, | ||||
|      4,  9, 12, 10, 11,  7,  5, 10, | ||||
|     11, 11, 12,  8,  6,  9, 11, 11, | ||||
|      9,  7, 11, 11,  9,  8, 10,  9, | ||||
|      9, 12,  9,  9, 11,  9, 12, 10, | ||||
|     11, 12, 12, 12, 12, 11, 10, 11, | ||||
|     10, 11, 10, 10, 11, 11,  9, 10, | ||||
|     11,  9, 11, 10,  8, 12, 12, 10, | ||||
|      7, 11, 11, 12,  8,  6, 10, 10, | ||||
|     12, 10, 10,  7,  5, 10,  8, 10, | ||||
|      8,  9,  6,  4, 11, 12,  8,  6, | ||||
|      7,  6,  5,  4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_descC_syms[96] = { | ||||
|     0x1000, 0xFF8, 0xFF7, 0xFF6, 0xFF5, 0xFF4, 0xFF3, 0xFF2, | ||||
|     0xFF1, 0xFF0, 0xFE6, 0xFE5, 0xFE4, 0xFE3, 0xFE2, 0xFE1, | ||||
|     0xFE0, 0xFD5, 0xFD4, 0xFD3, 0xFD2, 0xFD1, 0xFD0, 0xFC6, | ||||
|     0xFC5, 0xFC3, 0xFC2, 0xFC1, 0xFC0, 0xFB6, 0xFB5, 0xFB3, | ||||
|     0xFB1, 0xFB0, 0xFA6, 0xFA3, 0xFA1, 0xFA0, 0xF93, 0xF91, | ||||
|     0xF90, 0xF81, 0xF80, 0xF71, 0xF70, 0xF61, 0xF60, 0xF51, | ||||
|     0x0E1, 0x0C1, 0x0B1, 0x0A1, 0x0A0, 0x091, 0x090, 0x083, | ||||
|     0x081, 0x080, 0x073, 0x071, 0x070, 0x063, 0x061, 0x060, | ||||
|     0x055, 0x053, 0x051, 0x050, 0x045, 0x043, 0x042, 0x041, | ||||
|     0x040, 0x036, 0x035, 0x034, 0x033, 0x032, 0x031, 0x030, | ||||
|     0x026, 0x025, 0x024, 0x023, 0x022, 0x021, 0x020, 0x018, | ||||
|     0x017, 0x016, 0x015, 0x014, 0x013, 0x012, 0x011, 0x010, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t ac_vlc_descC_codes[96] = { | ||||
|     0x00DE, 0x072E, 0x0576, 0x006E, 0x0075, 0x0055, 0x0013, 0x0033, | ||||
|     0x000D, 0x0007, 0x07D2, 0x0052, 0x0065, 0x00CE, 0x0183, 0x003E, | ||||
|     0x0001, 0x002E, 0x0F35, 0x0003, 0x0243, 0x001A, 0x0006, 0x01A5, | ||||
|     0x0043, 0x0012, 0x0E43, 0x00B6, 0x0016, 0x0135, 0x0176, 0x0643, | ||||
|     0x0035, 0x001E, 0x0735, 0x0283, 0x0125, 0x00AE, 0x00D2, 0x0165, | ||||
|     0x0103, 0x0603, 0x00E5, 0x0C43, 0x02B5, 0x04A5, 0x00A5, 0x0443, | ||||
|     0x0265, 0x0476, 0x0212, 0x0112, 0x0376, 0x012E, 0x02D2, 0x0083, | ||||
|     0x0483, 0x015E, 0x06A5, 0x0335, 0x005E, 0x0025, 0x01D2, 0x00F6, | ||||
|     0x03D2, 0x032E, 0x03B5, 0x005A, 0x0203, 0x02A5, 0x0BD2, 0x004E, | ||||
|     0x0032, 0x01B5, 0x00B5, 0x0A65, 0x0225, 0x0276, 0x000E, 0x000A, | ||||
|     0x03E5, 0x0143, 0x01E5, 0x0036, 0x0092, 0x0005, 0x0009, 0x0665, | ||||
|     0x0076, 0x00C3, 0x003A, 0x0015, 0x0023, 0x0002, 0x000B, 0x0000, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t ac_vlc_descC_bits[96] = { | ||||
|      8, 11, 11,  7,  7,  7,  6,  6, | ||||
|      4,  3, 11,  8, 10,  8,  9,  6, | ||||
|      4,  9, 12, 10, 11,  7,  5,  9, | ||||
|     11, 10, 12,  8,  6, 10, 11, 12, | ||||
|      9,  7, 12, 10,  9,  8, 10,  9, | ||||
|      9, 11,  9, 12, 10, 11, 11, 12, | ||||
|     12, 11, 10,  9, 10, 10, 10, 11, | ||||
|     11,  9, 11, 11,  9, 10, 10,  8, | ||||
|     12, 11, 10,  7, 11, 11, 12,  8, | ||||
|      6, 10, 10, 12, 10, 10,  7,  5, | ||||
|     10,  9, 10,  8,  8,  6,  4, 11, | ||||
|     11,  8,  6,  7,  6,  5,  4,  2, | ||||
| }; | ||||
| 
 | ||||
| static const int tscc2_ac_vlc_sizes[NUM_VLC_SETS] = { | ||||
|     172, 169, 165, 162, 131, 132, 130, 125, 121, 114, 110, 101, 96 | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t *tscc2_ac_vlc_syms[NUM_VLC_SETS] = { | ||||
|     ac_vlc_desc0_syms, ac_vlc_desc1_syms, ac_vlc_desc2_syms, ac_vlc_desc3_syms, | ||||
|     ac_vlc_desc4_syms, ac_vlc_desc5_syms, ac_vlc_desc6_syms, ac_vlc_desc7_syms, | ||||
|     ac_vlc_desc8_syms, ac_vlc_desc9_syms, ac_vlc_descA_syms, ac_vlc_descB_syms, | ||||
|     ac_vlc_descC_syms, | ||||
| }; | ||||
| 
 | ||||
| static const uint16_t *tscc2_ac_vlc_codes[NUM_VLC_SETS] = { | ||||
|     ac_vlc_desc0_codes, ac_vlc_desc1_codes, ac_vlc_desc2_codes, | ||||
|     ac_vlc_desc3_codes, ac_vlc_desc4_codes, ac_vlc_desc5_codes, | ||||
|     ac_vlc_desc6_codes, ac_vlc_desc7_codes, ac_vlc_desc8_codes, | ||||
|     ac_vlc_desc9_codes, ac_vlc_descA_codes, ac_vlc_descB_codes, | ||||
|     ac_vlc_descC_codes, | ||||
| }; | ||||
| 
 | ||||
| static const uint8_t *tscc2_ac_vlc_bits[NUM_VLC_SETS] = { | ||||
|     ac_vlc_desc0_bits, ac_vlc_desc1_bits, ac_vlc_desc2_bits, ac_vlc_desc3_bits, | ||||
|     ac_vlc_desc4_bits, ac_vlc_desc5_bits, ac_vlc_desc6_bits, ac_vlc_desc7_bits, | ||||
|     ac_vlc_desc8_bits, ac_vlc_desc9_bits, ac_vlc_descA_bits, ac_vlc_descB_bits, | ||||
|     ac_vlc_descC_bits, | ||||
| }; | ||||
| 
 | ||||
| #endif /* AVCODEC_TSCC2_DATA_H */ | ||||
| @ -27,7 +27,7 @@ | ||||
|  */ | ||||
| 
 | ||||
| #define LIBAVCODEC_VERSION_MAJOR 54 | ||||
| #define LIBAVCODEC_VERSION_MINOR  33 | ||||
| #define LIBAVCODEC_VERSION_MINOR  34 | ||||
| #define LIBAVCODEC_VERSION_MICRO 100 | ||||
| 
 | ||||
| #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ | ||||
|  | ||||
| @ -310,6 +310,7 @@ const AVCodecTag ff_codec_bmp_tags[] = { | ||||
|     { CODEC_ID_EXR,          MKTAG('e', 'x', 'r', ' ') }, | ||||
|     { CODEC_ID_MSS1,         MKTAG('M', 'S', 'S', '1') }, | ||||
|     { CODEC_ID_MSA1,         MKTAG('M', 'S', 'A', '1') }, | ||||
|     { CODEC_ID_TSCC2,        MKTAG('T', 'S', 'C', '2') }, | ||||
|     { CODEC_ID_NONE,         0 } | ||||
| }; | ||||
| 
 | ||||
|  | ||||
| @ -63,7 +63,8 @@ | ||||
| 
 | ||||
| #define RTSP_FLAG_OPTS(name, longname) \ | ||||
|     { name, longname, OFFSET(rtsp_flags), AV_OPT_TYPE_FLAGS, {0}, INT_MIN, INT_MAX, DEC, "rtsp_flags" }, \ | ||||
|     { "filter_src", "Only receive packets from the negotiated peer IP", 0, AV_OPT_TYPE_CONST, {RTSP_FLAG_FILTER_SRC}, 0, 0, DEC, "rtsp_flags" } | ||||
|     { "filter_src", "Only receive packets from the negotiated peer IP", 0, AV_OPT_TYPE_CONST, {RTSP_FLAG_FILTER_SRC}, 0, 0, DEC, "rtsp_flags" }, \ | ||||
|     { "listen", "Wait for incoming connections", 0, AV_OPT_TYPE_CONST, {RTSP_FLAG_LISTEN}, 0, 0, DEC, "rtsp_flags" } | ||||
| 
 | ||||
| #define RTSP_MEDIATYPE_OPTS(name, longname) \ | ||||
|     { name, longname, OFFSET(media_type_mask), AV_OPT_TYPE_FLAGS, { (1 << (AVMEDIA_TYPE_DATA+1)) - 1 }, INT_MIN, INT_MAX, DEC, "allowed_media_types" }, \ | ||||
| @ -83,6 +84,7 @@ const AVOption ff_rtsp_options[] = { | ||||
|     RTSP_MEDIATYPE_OPTS("allowed_media_types", "Media types to accept from the server"), | ||||
|     { "min_port", "Minimum local UDP port", OFFSET(rtp_port_min), AV_OPT_TYPE_INT, {RTSP_RTP_PORT_MIN}, 0, 65535, DEC|ENC }, | ||||
|     { "max_port", "Maximum local UDP port", OFFSET(rtp_port_max), AV_OPT_TYPE_INT, {RTSP_RTP_PORT_MAX}, 0, 65535, DEC|ENC }, | ||||
|     { "timeout", "Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies flag listen", OFFSET(initial_timeout), AV_OPT_TYPE_INT, {-1}, INT_MIN, INT_MAX, DEC }, | ||||
|     { NULL }, | ||||
| }; | ||||
| 
 | ||||
| @ -595,7 +597,7 @@ void ff_rtsp_close_streams(AVFormatContext *s) | ||||
|     av_free(rt->recvbuf); | ||||
| } | ||||
| 
 | ||||
| static int rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st) | ||||
| int ff_rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     AVStream *st = NULL; | ||||
| @ -749,6 +751,14 @@ static void rtsp_parse_transport(RTSPMessageHeader *reply, const char *p) | ||||
|                     get_word_sep(buf, sizeof(buf), ";,", &p); | ||||
|                     av_strlcpy(th->source, buf, sizeof(th->source)); | ||||
|                 } | ||||
|             } else if (!strcmp(parameter, "mode")) { | ||||
|                 if (*p == '=') { | ||||
|                     p++; | ||||
|                     get_word_sep(buf, sizeof(buf), ";, ", &p); | ||||
|                     if (!strcmp(buf, "record") || | ||||
|                         !strcmp(buf, "receive")) | ||||
|                         th->mode_record = 1; | ||||
|                 } | ||||
|             } | ||||
| 
 | ||||
|             while (*p != ';' && *p != '\0' && *p != ',') | ||||
| @ -1389,7 +1399,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, | ||||
|         } | ||||
|         } | ||||
| 
 | ||||
|         if ((err = rtsp_open_transport_ctx(s, rtsp_st))) | ||||
|         if ((err = ff_rtsp_open_transport_ctx(s, rtsp_st))) | ||||
|             goto fail; | ||||
|     } | ||||
| 
 | ||||
| @ -1701,8 +1711,17 @@ static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st, | ||||
|             } | ||||
| #if CONFIG_RTSP_DEMUXER | ||||
|             if (tcp_fd != -1 && p[0].revents & POLLIN) { | ||||
|                 if (rt->rtsp_flags & RTSP_FLAG_LISTEN) { | ||||
|                     if (rt->state == RTSP_STATE_STREAMING) { | ||||
|                         if (!ff_rtsp_parse_streaming_commands(s)) | ||||
|                             return AVERROR_EOF; | ||||
|                         else | ||||
|                             av_log(s, AV_LOG_WARNING, | ||||
|                                    "Unable to answer to TEARDOWN\n"); | ||||
|                     } else | ||||
|                         return 0; | ||||
|                 } else { | ||||
|                     RTSPMessageHeader reply; | ||||
| 
 | ||||
|                     ret = ff_rtsp_read_reply(s, &reply, NULL, 0, NULL); | ||||
|                     if (ret < 0) | ||||
|                         return ret; | ||||
| @ -1710,6 +1729,7 @@ static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st, | ||||
|                     if (rt->state != RTSP_STATE_STREAMING) | ||||
|                         return 0; | ||||
|                 } | ||||
|             } | ||||
| #endif | ||||
|         } else if (n == 0 && ++timeout_cnt >= MAX_TIMEOUTS) { | ||||
|             return AVERROR(ETIMEDOUT); | ||||
| @ -1912,7 +1932,7 @@ static int sdp_read_header(AVFormatContext *s) | ||||
|             err = AVERROR_INVALIDDATA; | ||||
|             goto fail; | ||||
|         } | ||||
|         if ((err = rtsp_open_transport_ctx(s, rtsp_st))) | ||||
|         if ((err = ff_rtsp_open_transport_ctx(s, rtsp_st))) | ||||
|             goto fail; | ||||
|     } | ||||
|     return 0; | ||||
|  | ||||
| @ -102,6 +102,9 @@ typedef struct RTSPTransportField { | ||||
|      * packets will be allowed to make before being discarded. */ | ||||
|     int ttl; | ||||
| 
 | ||||
|     /** transport set to record data */ | ||||
|     int mode_record; | ||||
| 
 | ||||
|     struct sockaddr_storage destination; /**< destination IP address */ | ||||
|     char source[INET6_ADDRSTRLEN + 1]; /**< source IP address */ | ||||
| 
 | ||||
| @ -369,11 +372,17 @@ typedef struct RTSPState { | ||||
|      * Minimum and maximum local UDP ports. | ||||
|      */ | ||||
|     int rtp_port_min, rtp_port_max; | ||||
| 
 | ||||
|     /**
 | ||||
|      * Timeout to wait for incoming connections. | ||||
|      */ | ||||
|     int initial_timeout; | ||||
| } RTSPState; | ||||
| 
 | ||||
| #define RTSP_FLAG_FILTER_SRC  0x1    /**< Filter incoming UDP packets - | ||||
|                                           receive packets only from the right | ||||
|                                           source address and port. */ | ||||
| #define RTSP_FLAG_LISTEN 0x2         /**< Wait for incoming connections. */ | ||||
| 
 | ||||
| /**
 | ||||
|  * Describe a single stream, as identified by a single m= line block in the | ||||
| @ -525,6 +534,12 @@ int ff_rtsp_setup_input_streams(AVFormatContext *s, RTSPMessageHeader *reply); | ||||
|  */ | ||||
| int ff_rtsp_setup_output_streams(AVFormatContext *s, const char *addr); | ||||
| 
 | ||||
| /**
 | ||||
|  * Parse RTSP commands (OPTIONS, PAUSE and TEARDOWN) during streaming in | ||||
|  * listen mode. | ||||
|  */ | ||||
| int ff_rtsp_parse_streaming_commands(AVFormatContext *s); | ||||
| 
 | ||||
| /**
 | ||||
|  * Parse an SDP description of streams by populating an RTSPState struct | ||||
|  * within the AVFormatContext; also allocate the RTP streams and the | ||||
| @ -558,6 +573,11 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, | ||||
|  */ | ||||
| void ff_rtsp_undo_setup(AVFormatContext *s); | ||||
| 
 | ||||
| /**
 | ||||
|  * Open RTSP transport context. | ||||
|  */ | ||||
| int ff_rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st); | ||||
| 
 | ||||
| extern const AVOption ff_rtsp_options[]; | ||||
| 
 | ||||
| #endif /* AVFORMAT_RTSP_H */ | ||||
|  | ||||
| @ -37,4 +37,18 @@ RTSP_STATUS_SERVICE         =503, /**< Service Unavailable */ | ||||
| RTSP_STATUS_VERSION         =505, /**< RTSP Version not supported */ | ||||
| }; | ||||
| 
 | ||||
| enum RTSPMethod { | ||||
|     DESCRIBE, | ||||
|     ANNOUNCE, | ||||
|     OPTIONS, | ||||
|     SETUP, | ||||
|     PLAY, | ||||
|     PAUSE, | ||||
|     TEARDOWN, | ||||
|     GET_PARAMETER, | ||||
|     SET_PARAMETER, | ||||
|     REDIRECT, | ||||
|     RECORD, | ||||
|     UNKNOWN = -1, | ||||
| }; | ||||
| #endif /* AVFORMAT_RTSPCODES_H */ | ||||
|  | ||||
| @ -22,6 +22,7 @@ | ||||
| #include "libavutil/avstring.h" | ||||
| #include "libavutil/intreadwrite.h" | ||||
| #include "libavutil/mathematics.h" | ||||
| #include "libavutil/random_seed.h" | ||||
| #include "avformat.h" | ||||
| 
 | ||||
| #include "internal.h" | ||||
| @ -31,6 +32,462 @@ | ||||
| #include "rdt.h" | ||||
| #include "url.h" | ||||
| 
 | ||||
| static const struct RTSPStatusMessage { | ||||
|     enum RTSPStatusCode code; | ||||
|     const char *message; | ||||
| } status_messages[] = { | ||||
|     { RTSP_STATUS_OK,             "OK"                               }, | ||||
|     { RTSP_STATUS_METHOD,         "Method Not Allowed"               }, | ||||
|     { RTSP_STATUS_BANDWIDTH,      "Not Enough Bandwidth"             }, | ||||
|     { RTSP_STATUS_SESSION,        "Session Not Found"                }, | ||||
|     { RTSP_STATUS_STATE,          "Method Not Valid in This State"   }, | ||||
|     { RTSP_STATUS_AGGREGATE,      "Aggregate operation not allowed"  }, | ||||
|     { RTSP_STATUS_ONLY_AGGREGATE, "Only aggregate operation allowed" }, | ||||
|     { RTSP_STATUS_TRANSPORT,      "Unsupported transport"            }, | ||||
|     { RTSP_STATUS_INTERNAL,       "Internal Server Error"            }, | ||||
|     { RTSP_STATUS_SERVICE,        "Service Unavailable"              }, | ||||
|     { RTSP_STATUS_VERSION,        "RTSP Version not supported"       }, | ||||
|     { 0,                          "NULL"                             } | ||||
| }; | ||||
| 
 | ||||
| static int rtsp_read_close(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
| 
 | ||||
|     if (!(rt->rtsp_flags & RTSP_FLAG_LISTEN)) | ||||
|         ff_rtsp_send_cmd_async(s, "TEARDOWN", rt->control_uri, NULL); | ||||
| 
 | ||||
|     ff_rtsp_close_streams(s); | ||||
|     ff_rtsp_close_connections(s); | ||||
|     ff_network_close(); | ||||
|     rt->real_setup = NULL; | ||||
|     av_freep(&rt->real_setup_cache); | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static inline int read_line(AVFormatContext *s, char *rbuf, const int rbufsize, | ||||
|                             int *rbuflen) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     int idx       = 0; | ||||
|     int ret       = 0; | ||||
|     *rbuflen      = 0; | ||||
| 
 | ||||
|     do { | ||||
|         ret = ffurl_read_complete(rt->rtsp_hd, rbuf + idx, 1); | ||||
|         if (ret < 0) | ||||
|             return ret; | ||||
|         if (rbuf[idx] == '\r') { | ||||
|             /* Ignore */ | ||||
|         } else if (rbuf[idx] == '\n') { | ||||
|             rbuf[idx] = '\0'; | ||||
|             *rbuflen  = idx; | ||||
|             return 0; | ||||
|         } else | ||||
|             idx++; | ||||
|     } while (idx < rbufsize); | ||||
|     av_log(s, AV_LOG_ERROR, "Message too long\n"); | ||||
|     return AVERROR(EIO); | ||||
| } | ||||
| 
 | ||||
| static int rtsp_send_reply(AVFormatContext *s, enum RTSPStatusCode code, | ||||
|                            const char *extracontent, uint16_t seq) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     char message[4096]; | ||||
|     int index = 0; | ||||
|     while (status_messages[index].code) { | ||||
|         if (status_messages[index].code == code) { | ||||
|             snprintf(message, sizeof(message), "RTSP/1.0 %d %s\r\n", | ||||
|                      code, status_messages[index].message); | ||||
|             break; | ||||
|         } | ||||
|         index++; | ||||
|     } | ||||
|     if (!status_messages[index].code) | ||||
|         return AVERROR(EINVAL); | ||||
|     av_strlcatf(message, sizeof(message), "CSeq: %d\r\n", seq); | ||||
|     av_strlcatf(message, sizeof(message), "Server: %s\r\n", LIBAVFORMAT_IDENT); | ||||
|     if (extracontent) | ||||
|         av_strlcat(message, extracontent, sizeof(message)); | ||||
|     av_strlcat(message, "\r\n", sizeof(message)); | ||||
|     av_dlog(s, "Sending response:\n%s", message); | ||||
|     ffurl_write(rt->rtsp_hd, message, strlen(message)); | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static inline int check_sessionid(AVFormatContext *s, | ||||
|                                   RTSPMessageHeader *request) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     unsigned char *session_id = rt->session_id; | ||||
|     if (!session_id[0]) { | ||||
|         av_log(s, AV_LOG_WARNING, "There is no session-id at the moment\n"); | ||||
|         return 0; | ||||
|     } | ||||
|     if (strcmp(session_id, request->session_id)) { | ||||
|         av_log(s, AV_LOG_ERROR, "Unexpected session-id %s\n", | ||||
|                request->session_id); | ||||
|         rtsp_send_reply(s, RTSP_STATUS_SESSION, NULL, request->seq); | ||||
|         return AVERROR_STREAM_NOT_FOUND; | ||||
|     } | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static inline int rtsp_read_request(AVFormatContext *s, | ||||
|                                     RTSPMessageHeader *request, | ||||
|                                     const char *method) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     char rbuf[1024]; | ||||
|     int rbuflen, ret; | ||||
|     do { | ||||
|         ret = read_line(s, rbuf, sizeof(rbuf), &rbuflen); | ||||
|         if (ret) | ||||
|             return ret; | ||||
|         if (rbuflen > 1) { | ||||
|             av_dlog(s, "Parsing[%d]: %s\n", rbuflen, rbuf); | ||||
|             ff_rtsp_parse_line(request, rbuf, rt, method); | ||||
|         } | ||||
|     } while (rbuflen > 0); | ||||
|     if (request->seq != rt->seq + 1) { | ||||
|         av_log(s, AV_LOG_ERROR, "Unexpected Sequence number %d\n", | ||||
|                request->seq); | ||||
|         return AVERROR(EINVAL); | ||||
|     } | ||||
|     if (rt->session_id[0] && strcmp(method, "OPTIONS")) { | ||||
|         ret = check_sessionid(s, request); | ||||
|         if (ret) | ||||
|             return ret; | ||||
|     } | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int rtsp_read_announce(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt             = s->priv_data; | ||||
|     RTSPMessageHeader request = { 0 }; | ||||
|     char sdp[4096]; | ||||
|     int  ret; | ||||
| 
 | ||||
|     ret = rtsp_read_request(s, &request, "ANNOUNCE"); | ||||
|     if (ret) | ||||
|         return ret; | ||||
|     rt->seq++; | ||||
|     if (strcmp(request.content_type, "application/sdp")) { | ||||
|         av_log(s, AV_LOG_ERROR, "Unexpected content type %s\n", | ||||
|                request.content_type); | ||||
|         rtsp_send_reply(s, RTSP_STATUS_SERVICE, NULL, request.seq); | ||||
|         return AVERROR_OPTION_NOT_FOUND; | ||||
|     } | ||||
|     if (request.content_length && request.content_length < sizeof(sdp) - 1) { | ||||
|         /* Read SDP */ | ||||
|         if (ffurl_read_complete(rt->rtsp_hd, sdp, request.content_length) | ||||
|             < request.content_length) { | ||||
|             av_log(s, AV_LOG_ERROR, | ||||
|                    "Unable to get complete SDP Description in ANNOUNCE\n"); | ||||
|             rtsp_send_reply(s, RTSP_STATUS_INTERNAL, NULL, request.seq); | ||||
|             return AVERROR(EIO); | ||||
|         } | ||||
|         sdp[request.content_length] = '\0'; | ||||
|         av_log(s, AV_LOG_VERBOSE, "SDP: %s\n", sdp); | ||||
|         ret = ff_sdp_parse(s, sdp); | ||||
|         if (ret) | ||||
|             return ret; | ||||
|         rtsp_send_reply(s, RTSP_STATUS_OK, NULL, request.seq); | ||||
|         return 0; | ||||
|     } | ||||
|     av_log(s, AV_LOG_ERROR, | ||||
|            "Content-Length header value exceeds sdp allocated buffer (4KB)\n"); | ||||
|     rtsp_send_reply(s, RTSP_STATUS_INTERNAL, | ||||
|                     "Content-Length exceeds buffer size", request.seq); | ||||
|     return AVERROR(EIO); | ||||
| } | ||||
| 
 | ||||
| static int rtsp_read_options(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt             = s->priv_data; | ||||
|     RTSPMessageHeader request = { 0 }; | ||||
|     int ret                   = 0; | ||||
| 
 | ||||
|     /* Parsing headers */ | ||||
|     ret = rtsp_read_request(s, &request, "OPTIONS"); | ||||
|     if (ret) | ||||
|         return ret; | ||||
|     rt->seq++; | ||||
|     /* Send Reply */ | ||||
|     rtsp_send_reply(s, RTSP_STATUS_OK, | ||||
|                     "Public: ANNOUNCE, PAUSE, SETUP, TEARDOWN, RECORD\r\n", | ||||
|                     request.seq); | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int rtsp_read_setup(AVFormatContext *s, char* host, char *controlurl) | ||||
| { | ||||
|     RTSPState *rt             = s->priv_data; | ||||
|     RTSPMessageHeader request = { 0 }; | ||||
|     int ret                   = 0; | ||||
|     char url[1024]; | ||||
|     RTSPStream *rtsp_st; | ||||
|     char responseheaders[1024]; | ||||
|     int localport    = -1; | ||||
|     int transportidx = 0; | ||||
|     int streamid     = 0; | ||||
| 
 | ||||
|     ret = rtsp_read_request(s, &request, "SETUP"); | ||||
|     if (ret) | ||||
|         return ret; | ||||
|     rt->seq++; | ||||
|     if (!request.nb_transports) { | ||||
|         av_log(s, AV_LOG_ERROR, "No transport defined in SETUP\n"); | ||||
|         return AVERROR_INVALIDDATA; | ||||
|     } | ||||
|     for (transportidx = 0; transportidx < request.nb_transports; | ||||
|          transportidx++) { | ||||
|         if (!request.transports[transportidx].mode_record || | ||||
|             (request.transports[transportidx].lower_transport != | ||||
|              RTSP_LOWER_TRANSPORT_UDP && | ||||
|              request.transports[transportidx].lower_transport != | ||||
|              RTSP_LOWER_TRANSPORT_TCP)) { | ||||
|             av_log(s, AV_LOG_ERROR, "mode=record/receive not set or transport" | ||||
|                    " protocol not supported (yet)\n"); | ||||
|             return AVERROR_INVALIDDATA; | ||||
|         } | ||||
|     } | ||||
|     if (request.nb_transports > 1) | ||||
|         av_log(s, AV_LOG_WARNING, "More than one transport not supported, " | ||||
|                "using first of all\n"); | ||||
|     for (streamid = 0; streamid < rt->nb_rtsp_streams; streamid++) { | ||||
|         if (!strcmp(rt->rtsp_streams[streamid]->control_url, | ||||
|                     controlurl)) | ||||
|             break; | ||||
|     } | ||||
|     if (streamid == rt->nb_rtsp_streams) { | ||||
|         av_log(s, AV_LOG_ERROR, "Unable to find requested track\n"); | ||||
|         return AVERROR_STREAM_NOT_FOUND; | ||||
|     } | ||||
|     rtsp_st   = rt->rtsp_streams[streamid]; | ||||
|     localport = rt->rtp_port_min; | ||||
| 
 | ||||
|     if (request.transports[0].lower_transport == RTSP_LOWER_TRANSPORT_TCP) { | ||||
|         rt->lower_transport = RTSP_LOWER_TRANSPORT_TCP; | ||||
|         if ((ret = ff_rtsp_open_transport_ctx(s, rtsp_st))) { | ||||
|             rtsp_send_reply(s, RTSP_STATUS_TRANSPORT, NULL, request.seq); | ||||
|             return ret; | ||||
|         } | ||||
|         rtsp_st->interleaved_min = request.transports[0].interleaved_min; | ||||
|         rtsp_st->interleaved_max = request.transports[0].interleaved_max; | ||||
|         snprintf(responseheaders, sizeof(responseheaders), "Transport: " | ||||
|                  "RTP/AVP/TCP;unicast;mode=receive;interleaved=%d-%d" | ||||
|                  "\r\n", request.transports[0].interleaved_min, | ||||
|                  request.transports[0].interleaved_max); | ||||
|     } else { | ||||
|         do { | ||||
|             ff_url_join(url, sizeof(url), "rtp", NULL, host, localport, NULL); | ||||
|             av_dlog(s, "Opening: %s", url); | ||||
|             ret = ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE, | ||||
|                              &s->interrupt_callback, NULL); | ||||
|             if (ret) | ||||
|                 localport += 2; | ||||
|         } while (ret || localport > rt->rtp_port_max); | ||||
|         if (localport > rt->rtp_port_max) { | ||||
|             rtsp_send_reply(s, RTSP_STATUS_TRANSPORT, NULL, request.seq); | ||||
|             return ret; | ||||
|         } | ||||
| 
 | ||||
|         av_dlog(s, "Listening on: %d", | ||||
|                 ff_rtp_get_local_rtp_port(rtsp_st->rtp_handle)); | ||||
|         if ((ret = ff_rtsp_open_transport_ctx(s, rtsp_st))) { | ||||
|             rtsp_send_reply(s, RTSP_STATUS_TRANSPORT, NULL, request.seq); | ||||
|             return ret; | ||||
|         } | ||||
| 
 | ||||
|         localport = ff_rtp_get_local_rtp_port(rtsp_st->rtp_handle); | ||||
|         snprintf(responseheaders, sizeof(responseheaders), "Transport: " | ||||
|                  "RTP/AVP/UDP;unicast;mode=receive;source=%s;" | ||||
|                  "client_port=%d-%d;server_port=%d-%d\r\n", | ||||
|                  host, request.transports[0].client_port_min, | ||||
|                  request.transports[0].client_port_max, localport, | ||||
|                  localport + 1); | ||||
|     } | ||||
| 
 | ||||
|     /* Establish sessionid if not previously set */ | ||||
|     /* Put this in a function? */ | ||||
|     /* RFC 2326: session id must be at least 8 digits */ | ||||
|     while (strlen(rt->session_id) < 8) | ||||
|         av_strlcatf(rt->session_id, 512, "%u", av_get_random_seed()); | ||||
| 
 | ||||
|     av_strlcatf(responseheaders, sizeof(responseheaders), "Session: %s\r\n", | ||||
|                 rt->session_id); | ||||
|     /* Send Reply */ | ||||
|     rtsp_send_reply(s, RTSP_STATUS_OK, responseheaders, request.seq); | ||||
| 
 | ||||
|     rt->state = RTSP_STATE_PAUSED; | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int rtsp_read_record(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt             = s->priv_data; | ||||
|     RTSPMessageHeader request = { 0 }; | ||||
|     int ret                   = 0; | ||||
|     char responseheaders[1024]; | ||||
| 
 | ||||
|     ret = rtsp_read_request(s, &request, "RECORD"); | ||||
|     if (ret) | ||||
|         return ret; | ||||
|     ret = check_sessionid(s, &request); | ||||
|     if (ret) | ||||
|         return ret; | ||||
|     rt->seq++; | ||||
|     snprintf(responseheaders, sizeof(responseheaders), "Session: %s\r\n", | ||||
|              rt->session_id); | ||||
|     rtsp_send_reply(s, RTSP_STATUS_OK, responseheaders, request.seq); | ||||
| 
 | ||||
|     rt->state = RTSP_STATE_STREAMING; | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static inline int parse_command_line(AVFormatContext *s, const char *line, | ||||
|                                      int linelen, char *uri, int urisize, | ||||
|                                      char *method, int methodsize, | ||||
|                                      enum RTSPMethod *methodcode) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     const char *linept, *searchlinept; | ||||
|     linept = strchr(line, ' '); | ||||
|     if (linept - line > methodsize - 1) { | ||||
|         av_log(s, AV_LOG_ERROR, "Method string too long\n"); | ||||
|         return AVERROR(EIO); | ||||
|     } | ||||
|     memcpy(method, line, linept - line); | ||||
|     method[linept - line] = '\0'; | ||||
|     linept++; | ||||
|     if (!strcmp(method, "ANNOUNCE")) | ||||
|         *methodcode = ANNOUNCE; | ||||
|     else if (!strcmp(method, "OPTIONS")) | ||||
|         *methodcode = OPTIONS; | ||||
|     else if (!strcmp(method, "RECORD")) | ||||
|         *methodcode = RECORD; | ||||
|     else if (!strcmp(method, "SETUP")) | ||||
|         *methodcode = SETUP; | ||||
|     else if (!strcmp(method, "PAUSE")) | ||||
|         *methodcode = PAUSE; | ||||
|     else if (!strcmp(method, "TEARDOWN")) | ||||
|         *methodcode = TEARDOWN; | ||||
|     else | ||||
|         *methodcode = UNKNOWN; | ||||
|     /* Check method with the state  */ | ||||
|     if (rt->state == RTSP_STATE_IDLE) { | ||||
|         if ((*methodcode != ANNOUNCE) && (*methodcode != OPTIONS)) { | ||||
|             av_log(s, AV_LOG_ERROR, "Unexpected command in Idle State %s\n", | ||||
|                    line); | ||||
|             return AVERROR_PROTOCOL_NOT_FOUND; | ||||
|         } | ||||
|     } else if (rt->state == RTSP_STATE_PAUSED) { | ||||
|         if ((*methodcode != OPTIONS) && (*methodcode != RECORD) | ||||
|             && (*methodcode != SETUP)) { | ||||
|             av_log(s, AV_LOG_ERROR, "Unexpected command in Paused State %s\n", | ||||
|                    line); | ||||
|             return AVERROR_PROTOCOL_NOT_FOUND; | ||||
|         } | ||||
|     } else if (rt->state == RTSP_STATE_STREAMING) { | ||||
|         if ((*methodcode != PAUSE) && (*methodcode != OPTIONS) | ||||
|             && (*methodcode != TEARDOWN)) { | ||||
|             av_log(s, AV_LOG_ERROR, "Unexpected command in Streaming State" | ||||
|                    " %s\n", line); | ||||
|             return AVERROR_PROTOCOL_NOT_FOUND; | ||||
|         } | ||||
|     } else { | ||||
|         av_log(s, AV_LOG_ERROR, "Unexpected State [%d]\n", rt->state); | ||||
|         return AVERROR_BUG; | ||||
|     } | ||||
| 
 | ||||
|     searchlinept = strchr(linept, ' '); | ||||
|     if (searchlinept == NULL) { | ||||
|         av_log(s, AV_LOG_ERROR, "Error parsing message URI\n"); | ||||
|         return AVERROR_INVALIDDATA; | ||||
|     } | ||||
|     if (searchlinept - linept > urisize - 1) { | ||||
|         av_log(s, AV_LOG_ERROR, "uri string length exceeded buffer size\n"); | ||||
|         return AVERROR(EIO); | ||||
|     } | ||||
|     memcpy(uri, linept, searchlinept - linept); | ||||
|     uri[searchlinept - linept] = '\0'; | ||||
|     if (strcmp(rt->control_uri, uri)) { | ||||
|         char host[128], path[512], auth[128]; | ||||
|         int port; | ||||
|         char ctl_host[128], ctl_path[512], ctl_auth[128]; | ||||
|         int ctl_port; | ||||
|         av_url_split(NULL, 0, auth, sizeof(auth), host, sizeof(host), &port, | ||||
|                      path, sizeof(path), uri); | ||||
|         av_url_split(NULL, 0, ctl_auth, sizeof(ctl_auth), ctl_host, | ||||
|                      sizeof(ctl_host), &ctl_port, ctl_path, sizeof(ctl_path), | ||||
|                      rt->control_uri); | ||||
|         if (strcmp(host, ctl_host)) | ||||
|             av_log(s, AV_LOG_INFO, "Host %s differs from expected %s\n", | ||||
|                    host, ctl_host); | ||||
|         if (strcmp(path, ctl_path) && *methodcode != SETUP) | ||||
|             av_log(s, AV_LOG_WARNING, "WARNING: Path %s differs from expected" | ||||
|                    " %s\n", path, ctl_path); | ||||
|         if (*methodcode == ANNOUNCE) { | ||||
|             av_log(s, AV_LOG_INFO, | ||||
|                    "Updating control URI to %s\n", uri); | ||||
|             strcpy(rt->control_uri, uri); | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     linept = searchlinept + 1; | ||||
|     if (!av_strstart(linept, "RTSP/1.0", NULL)) { | ||||
|         av_log(s, AV_LOG_ERROR, "Error parsing protocol or version\n"); | ||||
|         return AVERROR_PROTOCOL_NOT_FOUND; | ||||
|     } | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| int ff_rtsp_parse_streaming_commands(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     unsigned char rbuf[4096]; | ||||
|     unsigned char method[10]; | ||||
|     char uri[500]; | ||||
|     int ret; | ||||
|     int rbuflen               = 0; | ||||
|     RTSPMessageHeader request = { 0 }; | ||||
|     enum RTSPMethod methodcode; | ||||
| 
 | ||||
|     ret = read_line(s, rbuf, sizeof(rbuf), &rbuflen); | ||||
|     if (ret < 0) | ||||
|         return ret; | ||||
|     ret = parse_command_line(s, rbuf, rbuflen, uri, sizeof(uri), method, | ||||
|                              sizeof(method), &methodcode); | ||||
|     if (ret) { | ||||
|         av_log(s, AV_LOG_ERROR, "RTSP: Unexpected Command\n"); | ||||
|         return ret; | ||||
|     } | ||||
| 
 | ||||
|     ret = rtsp_read_request(s, &request, method); | ||||
|     if (ret) | ||||
|         return ret; | ||||
|     rt->seq++; | ||||
|     if (methodcode == PAUSE) { | ||||
|         rt->state = RTSP_STATE_PAUSED; | ||||
|         ret       = rtsp_send_reply(s, RTSP_STATUS_OK, NULL , request.seq); | ||||
|         // TODO: Missing date header in response
 | ||||
|     } else if (methodcode == OPTIONS) { | ||||
|         ret = rtsp_send_reply(s, RTSP_STATUS_OK, | ||||
|                               "Public: ANNOUNCE, PAUSE, SETUP, TEARDOWN, " | ||||
|                               "RECORD\r\n", request.seq); | ||||
|     } else if (methodcode == TEARDOWN) { | ||||
|         rt->state = RTSP_STATE_IDLE; | ||||
|         ret       = rtsp_send_reply(s, RTSP_STATUS_OK, NULL , request.seq); | ||||
|         return 0; | ||||
|     } | ||||
|     return ret; | ||||
| } | ||||
| 
 | ||||
| static int rtsp_read_play(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
| @ -143,6 +600,67 @@ int ff_rtsp_setup_input_streams(AVFormatContext *s, RTSPMessageHeader *reply) | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int rtsp_listen(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     char host[128], path[512], auth[128]; | ||||
|     char uri[500]; | ||||
|     int port; | ||||
|     char tcpname[500]; | ||||
|     unsigned char rbuf[4096]; | ||||
|     unsigned char method[10]; | ||||
|     int rbuflen = 0; | ||||
|     int ret; | ||||
|     enum RTSPMethod methodcode; | ||||
| 
 | ||||
|     /* extract hostname and port */ | ||||
|     av_url_split(NULL, 0, auth, sizeof(auth), host, sizeof(host), &port, | ||||
|                  path, sizeof(path), s->filename); | ||||
| 
 | ||||
|     /* ff_url_join. No authorization by now (NULL) */ | ||||
|     ff_url_join(rt->control_uri, sizeof(rt->control_uri), "rtsp", NULL, host, | ||||
|                 port, "%s", path); | ||||
|     /* Create TCP connection */ | ||||
|     ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, host, port, | ||||
|                 "?listen&listen_timeout=%d", rt->initial_timeout * 1000); | ||||
| 
 | ||||
|     if (ret = ffurl_open(&rt->rtsp_hd, tcpname, AVIO_FLAG_READ_WRITE, | ||||
|                          &s->interrupt_callback, NULL)) { | ||||
|         av_log(s, AV_LOG_ERROR, "Unable to open RTSP for listening\n"); | ||||
|         return ret; | ||||
|     } | ||||
|     rt->state       = RTSP_STATE_IDLE; | ||||
|     rt->rtsp_hd_out = rt->rtsp_hd; | ||||
|     for (;;) { /* Wait for incoming RTSP messages */ | ||||
|         ret = read_line(s, rbuf, sizeof(rbuf), &rbuflen); | ||||
|         if (ret < 0) | ||||
|             return ret; | ||||
|         ret = parse_command_line(s, rbuf, rbuflen, uri, sizeof(uri), method, | ||||
|                                  sizeof(method), &methodcode); | ||||
|         if (ret) { | ||||
|             av_log(s, AV_LOG_ERROR, "RTSP: Unexpected Command\n"); | ||||
|             return ret; | ||||
|         } | ||||
| 
 | ||||
|         if (methodcode == ANNOUNCE) { | ||||
|             ret       = rtsp_read_announce(s); | ||||
|             rt->state = RTSP_STATE_PAUSED; | ||||
|         } else if (methodcode == OPTIONS) { | ||||
|             ret = rtsp_read_options(s); | ||||
|         } else if (methodcode == RECORD) { | ||||
|             ret = rtsp_read_record(s); | ||||
|             if (!ret) | ||||
|                 return 0; // We are ready for streaming
 | ||||
|         } else if (methodcode == SETUP) | ||||
|             ret = rtsp_read_setup(s, host, uri); | ||||
|         if (ret) { | ||||
|             ffurl_close(rt->rtsp_hd); | ||||
|             return AVERROR_INVALIDDATA; | ||||
|         } | ||||
|     } | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int rtsp_probe(AVProbeData *p) | ||||
| { | ||||
|     if (av_strstart(p->filename, "rtsp:", NULL)) | ||||
| @ -155,6 +673,14 @@ static int rtsp_read_header(AVFormatContext *s) | ||||
|     RTSPState *rt = s->priv_data; | ||||
|     int ret; | ||||
| 
 | ||||
|     if (rt->initial_timeout > 0) | ||||
|         rt->rtsp_flags |= RTSP_FLAG_LISTEN; | ||||
| 
 | ||||
|     if (rt->rtsp_flags & RTSP_FLAG_LISTEN) { | ||||
|         ret = rtsp_listen(s); | ||||
|         if (ret) | ||||
|             return ret; | ||||
|     } else { | ||||
|         ret = ff_rtsp_connect(s); | ||||
|         if (ret) | ||||
|             return ret; | ||||
| @ -174,6 +700,7 @@ static int rtsp_read_header(AVFormatContext *s) | ||||
|                 return AVERROR_INVALIDDATA; | ||||
|             } | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| @ -335,6 +862,7 @@ retry: | ||||
|     } | ||||
|     rt->packets++; | ||||
| 
 | ||||
|     if (!(rt->rtsp_flags & RTSP_FLAG_LISTEN)) { | ||||
|         /* send dummy request to keep TCP connection alive */ | ||||
|         if ((av_gettime() - rt->last_cmd_time) / 1000000 >= rt->timeout / 2 || | ||||
|             rt->auth_state.stale) { | ||||
| @ -350,6 +878,7 @@ retry: | ||||
|              * called the auth code (if we didn't have any credentials set). */ | ||||
|             rt->auth_state.stale = 0; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return 0; | ||||
| } | ||||
| @ -380,20 +909,6 @@ static int rtsp_read_seek(AVFormatContext *s, int stream_index, | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static int rtsp_read_close(AVFormatContext *s) | ||||
| { | ||||
|     RTSPState *rt = s->priv_data; | ||||
| 
 | ||||
|     ff_rtsp_send_cmd_async(s, "TEARDOWN", rt->control_uri, NULL); | ||||
| 
 | ||||
|     ff_rtsp_close_streams(s); | ||||
|     ff_rtsp_close_connections(s); | ||||
|     ff_network_close(); | ||||
|     rt->real_setup = NULL; | ||||
|     av_freep(&rt->real_setup_cache); | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| static const AVClass rtsp_demuxer_class = { | ||||
|     .class_name     = "RTSP demuxer", | ||||
|     .item_name      = av_default_item_name, | ||||
|  | ||||
| @ -30,7 +30,7 @@ | ||||
| #include "libavutil/avutil.h" | ||||
| 
 | ||||
| #define LIBAVFORMAT_VERSION_MAJOR 54 | ||||
| #define LIBAVFORMAT_VERSION_MINOR 15 | ||||
| #define LIBAVFORMAT_VERSION_MINOR 16 | ||||
| #define LIBAVFORMAT_VERSION_MICRO 104 | ||||
| 
 | ||||
| #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ | ||||
|  | ||||
| @ -90,6 +90,13 @@ static av_always_inline av_const int isnan(float x) | ||||
| #define log2f(x) ((float)log2(x)) | ||||
| #endif /* HAVE_LOG2F */ | ||||
| 
 | ||||
| #if !HAVE_RINT | ||||
| static inline double rint(double x) | ||||
| { | ||||
|     return x >= 0 ? floor(x + 0.5) : ceil(x - 0.5); | ||||
| } | ||||
| #endif /* HAVE_RINT */ | ||||
| 
 | ||||
| #if !HAVE_LRINT | ||||
| static av_always_inline av_const long int lrint(double x) | ||||
| { | ||||
|  | ||||
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