122 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * V210 encoder
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|  *
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|  * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
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|  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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|  *
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #include "avcodec.h"
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| #include "bytestream.h"
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| #include "codec_internal.h"
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| #include "encode.h"
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| #include "internal.h"
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| #include "v210enc.h"
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| #include "v210enc_init.h"
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| 
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| #define TYPE uint8_t
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| #define DEPTH 8
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| #define BYTES_PER_PIXEL 1
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| #define RENAME(a) a ## _ ## 8
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| #include "v210_template.c"
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| #undef RENAME
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| #undef DEPTH
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| #undef BYTES_PER_PIXEL
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| #undef TYPE
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| 
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| #define TYPE uint16_t
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| #define DEPTH 10
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| #define BYTES_PER_PIXEL 2
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| #define RENAME(a) a ## _ ## 10
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| #include "v210_template.c"
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| #undef RENAME
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| #undef DEPTH
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| #undef BYTES_PER_PIXEL
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| #undef TYPE
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| 
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| static av_cold int encode_init(AVCodecContext *avctx)
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| {
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|     V210EncContext *s = avctx->priv_data;
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| 
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|     if (avctx->width & 1) {
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|         av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
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|         return AVERROR(EINVAL);
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|     }
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| 
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|     ff_v210enc_init(s);
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| 
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|     avctx->bits_per_coded_sample = 20;
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|     avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
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| 
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|     return 0;
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| }
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| 
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| static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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|                         const AVFrame *pic, int *got_packet)
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| {
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|     int aligned_width = ((avctx->width + 47) / 48) * 48;
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|     int stride = aligned_width * 8 / 3;
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|     AVFrameSideData *side_data;
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|     int ret;
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|     uint8_t *dst;
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| 
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|     ret = ff_get_encode_buffer(avctx, pkt, avctx->height * stride, 0);
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|     if (ret < 0) {
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|         av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
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|         return ret;
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|     }
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|     dst = pkt->data;
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| 
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|     if (pic->format == AV_PIX_FMT_YUV422P10)
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|         v210_enc_10(avctx, dst, pic);
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|     else if(pic->format == AV_PIX_FMT_YUV422P)
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|         v210_enc_8(avctx, dst, pic);
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| 
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|     side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
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|     if (side_data && side_data->size) {
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|         uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
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|         if (!buf)
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|             return AVERROR(ENOMEM);
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|         memcpy(buf, side_data->data, side_data->size);
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|     }
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| 
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|     side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD);
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|     if (side_data && side_data->size) {
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|         uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size);
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|         if (!buf)
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|             return AVERROR(ENOMEM);
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|         memcpy(buf, side_data->data, side_data->size);
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|     }
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| 
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|     *got_packet = 1;
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|     return 0;
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| }
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| 
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| const FFCodec ff_v210_encoder = {
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|     .p.name         = "v210",
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|     CODEC_LONG_NAME("Uncompressed 4:2:2 10-bit"),
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|     .p.type         = AVMEDIA_TYPE_VIDEO,
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|     .p.id           = AV_CODEC_ID_V210,
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|     .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
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|                       AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
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|     .priv_data_size = sizeof(V210EncContext),
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|     .init           = encode_init,
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|     FF_CODEC_ENCODE_CB(encode_frame),
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|     .p.pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
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| };
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