13c988556b
The floating point dsp code does not use MMX registers since 2718a3be1f8867fd4f6cb3f452d6917838b1ed88. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
630 lines
25 KiB
C
630 lines
25 KiB
C
/*
|
|
* PCM codecs
|
|
* Copyright (c) 2001 Fabrice Bellard
|
|
*
|
|
* 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
|
|
* PCM codecs
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "config_components.h"
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/float_dsp.h"
|
|
#include "libavutil/reverse.h"
|
|
#include "libavutil/thread.h"
|
|
#include "avcodec.h"
|
|
#include "bytestream.h"
|
|
#include "codec_internal.h"
|
|
#include "decode.h"
|
|
#include "encode.h"
|
|
#include "pcm_tablegen.h"
|
|
|
|
static av_cold int pcm_encode_init(AVCodecContext *avctx)
|
|
{
|
|
avctx->frame_size = 0;
|
|
#if !CONFIG_HARDCODED_TABLES
|
|
switch (avctx->codec->id) {
|
|
#define INIT_ONCE(id, name) \
|
|
case AV_CODEC_ID_PCM_ ## id: \
|
|
if (CONFIG_PCM_ ## id ## _ENCODER) { \
|
|
static AVOnce init_static_once = AV_ONCE_INIT; \
|
|
ff_thread_once(&init_static_once, pcm_ ## name ## _tableinit); \
|
|
} \
|
|
break
|
|
INIT_ONCE(ALAW, alaw);
|
|
INIT_ONCE(MULAW, ulaw);
|
|
INIT_ONCE(VIDC, vidc);
|
|
default:
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
|
|
avctx->block_align = avctx->ch_layout.nb_channels * avctx->bits_per_coded_sample / 8;
|
|
avctx->bit_rate = avctx->block_align * 8LL * avctx->sample_rate;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Write PCM samples macro
|
|
* @param type Datatype of native machine format
|
|
* @param endian bytestream_put_xxx() suffix
|
|
* @param src Source pointer (variable name)
|
|
* @param dst Destination pointer (variable name)
|
|
* @param n Total number of samples (variable name)
|
|
* @param shift Bitshift (bits)
|
|
* @param offset Sample value offset
|
|
*/
|
|
#define ENCODE(type, endian, src, dst, n, shift, offset) \
|
|
samples_ ## type = (const type *) src; \
|
|
for (; n > 0; n--) { \
|
|
register type v = (*samples_ ## type++ >> shift) + offset; \
|
|
bytestream_put_ ## endian(&dst, v); \
|
|
}
|
|
|
|
#define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \
|
|
n /= avctx->ch_layout.nb_channels; \
|
|
for (c = 0; c < avctx->ch_layout.nb_channels; c++) { \
|
|
int i; \
|
|
samples_ ## type = (const type *) frame->extended_data[c]; \
|
|
for (i = n; i > 0; i--) { \
|
|
register type v = (*samples_ ## type++ >> shift) + offset; \
|
|
bytestream_put_ ## endian(&dst, v); \
|
|
} \
|
|
}
|
|
|
|
static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
|
|
const AVFrame *frame, int *got_packet_ptr)
|
|
{
|
|
int n, c, sample_size, v, ret;
|
|
const short *samples;
|
|
unsigned char *dst;
|
|
const uint8_t *samples_uint8_t;
|
|
const int16_t *samples_int16_t;
|
|
const int32_t *samples_int32_t;
|
|
const int64_t *samples_int64_t;
|
|
const uint16_t *samples_uint16_t;
|
|
const uint32_t *samples_uint32_t;
|
|
|
|
sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
|
|
n = frame->nb_samples * avctx->ch_layout.nb_channels;
|
|
samples = (const short *)frame->data[0];
|
|
|
|
if ((ret = ff_get_encode_buffer(avctx, avpkt, n * sample_size, 0)) < 0)
|
|
return ret;
|
|
dst = avpkt->data;
|
|
|
|
switch (avctx->codec->id) {
|
|
case AV_CODEC_ID_PCM_U32LE:
|
|
ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U32BE:
|
|
ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24LE:
|
|
ENCODE(int32_t, le24, samples, dst, n, 8, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24LE_PLANAR:
|
|
ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24BE:
|
|
ENCODE(int32_t, be24, samples, dst, n, 8, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U24LE:
|
|
ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U24BE:
|
|
ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24DAUD:
|
|
for (; n > 0; n--) {
|
|
uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
|
|
(ff_reverse[*samples & 0xff] << 8);
|
|
tmp <<= 4; // sync flags would go here
|
|
bytestream_put_be24(&dst, tmp);
|
|
samples++;
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_U16LE:
|
|
ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U16BE:
|
|
ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S8:
|
|
ENCODE(uint8_t, byte, samples, dst, n, 0, -128)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S8_PLANAR:
|
|
ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128)
|
|
break;
|
|
#if HAVE_BIGENDIAN
|
|
case AV_CODEC_ID_PCM_S64LE:
|
|
case AV_CODEC_ID_PCM_F64LE:
|
|
ENCODE(int64_t, le64, samples, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
case AV_CODEC_ID_PCM_F32LE:
|
|
ENCODE(int32_t, le32, samples, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S32LE_PLANAR:
|
|
ENCODE_PLANAR(int32_t, le32, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16LE:
|
|
ENCODE(int16_t, le16, samples, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
ENCODE_PLANAR(int16_t, le16, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_F64BE:
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
case AV_CODEC_ID_PCM_S64BE:
|
|
case AV_CODEC_ID_PCM_S32BE:
|
|
case AV_CODEC_ID_PCM_S16BE:
|
|
#else
|
|
case AV_CODEC_ID_PCM_S64BE:
|
|
case AV_CODEC_ID_PCM_F64BE:
|
|
ENCODE(int64_t, be64, samples, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
case AV_CODEC_ID_PCM_S32BE:
|
|
ENCODE(int32_t, be32, samples, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16BE:
|
|
ENCODE(int16_t, be16, samples, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_F64LE:
|
|
case AV_CODEC_ID_PCM_F32LE:
|
|
case AV_CODEC_ID_PCM_S64LE:
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
case AV_CODEC_ID_PCM_S16LE:
|
|
#endif /* HAVE_BIGENDIAN */
|
|
case AV_CODEC_ID_PCM_U8:
|
|
memcpy(dst, samples, n * sample_size);
|
|
break;
|
|
#if HAVE_BIGENDIAN
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
#else
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
case AV_CODEC_ID_PCM_S32LE_PLANAR:
|
|
#endif /* HAVE_BIGENDIAN */
|
|
n /= avctx->ch_layout.nb_channels;
|
|
for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
|
|
const uint8_t *src = frame->extended_data[c];
|
|
bytestream_put_buffer(&dst, src, n * sample_size);
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_ALAW:
|
|
for (; n > 0; n--) {
|
|
v = *samples++;
|
|
*dst++ = linear_to_alaw[(v + 32768) >> 2];
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_MULAW:
|
|
for (; n > 0; n--) {
|
|
v = *samples++;
|
|
*dst++ = linear_to_ulaw[(v + 32768) >> 2];
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_VIDC:
|
|
for (; n > 0; n--) {
|
|
v = *samples++;
|
|
*dst++ = linear_to_vidc[(v + 32768) >> 2];
|
|
}
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
*got_packet_ptr = 1;
|
|
return 0;
|
|
}
|
|
|
|
typedef struct PCMDecode {
|
|
short table[256];
|
|
void (*vector_fmul_scalar)(float *dst, const float *src, float mul,
|
|
int len);
|
|
float scale;
|
|
} PCMDecode;
|
|
|
|
static av_cold int pcm_decode_init(AVCodecContext *avctx)
|
|
{
|
|
PCMDecode *s = avctx->priv_data;
|
|
AVFloatDSPContext *fdsp;
|
|
int i;
|
|
|
|
switch (avctx->codec_id) {
|
|
case AV_CODEC_ID_PCM_ALAW:
|
|
for (i = 0; i < 256; i++)
|
|
s->table[i] = alaw2linear(i);
|
|
break;
|
|
case AV_CODEC_ID_PCM_MULAW:
|
|
for (i = 0; i < 256; i++)
|
|
s->table[i] = ulaw2linear(i);
|
|
break;
|
|
case AV_CODEC_ID_PCM_VIDC:
|
|
for (i = 0; i < 256; i++)
|
|
s->table[i] = vidc2linear(i);
|
|
break;
|
|
case AV_CODEC_ID_PCM_F16LE:
|
|
case AV_CODEC_ID_PCM_F24LE:
|
|
if (avctx->bits_per_coded_sample < 1 || avctx->bits_per_coded_sample > 24)
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
s->scale = 1. / (1 << (avctx->bits_per_coded_sample - 1));
|
|
fdsp = avpriv_float_dsp_alloc(0);
|
|
if (!fdsp)
|
|
return AVERROR(ENOMEM);
|
|
s->vector_fmul_scalar = fdsp->vector_fmul_scalar;
|
|
av_free(fdsp);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
avctx->sample_fmt = avctx->codec->sample_fmts[0];
|
|
|
|
if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
|
|
avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Read PCM samples macro
|
|
* @param size Data size of native machine format
|
|
* @param endian bytestream_get_xxx() endian suffix
|
|
* @param src Source pointer (variable name)
|
|
* @param dst Destination pointer (variable name)
|
|
* @param n Total number of samples (variable name)
|
|
* @param shift Bitshift (bits)
|
|
* @param offset Sample value offset
|
|
*/
|
|
#define DECODE(size, endian, src, dst, n, shift, offset) \
|
|
for (; n > 0; n--) { \
|
|
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
|
|
AV_WN ## size ## A(dst, (uint ## size ## _t)(v - offset) << shift); \
|
|
dst += size / 8; \
|
|
}
|
|
|
|
#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
|
|
n /= channels; \
|
|
for (c = 0; c < avctx->ch_layout.nb_channels; c++) { \
|
|
int i; \
|
|
dst = frame->extended_data[c]; \
|
|
for (i = n; i > 0; i--) { \
|
|
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
|
|
AV_WN ## size ## A(dst, (uint ## size ##_t)(v - offset) << shift); \
|
|
dst += size / 8; \
|
|
} \
|
|
}
|
|
|
|
static int pcm_decode_frame(AVCodecContext *avctx, AVFrame *frame,
|
|
int *got_frame_ptr, AVPacket *avpkt)
|
|
{
|
|
const uint8_t *src = avpkt->data;
|
|
int buf_size = avpkt->size;
|
|
PCMDecode *s = avctx->priv_data;
|
|
int channels = avctx->ch_layout.nb_channels;
|
|
int sample_size, c, n, ret, samples_per_block;
|
|
uint8_t *samples;
|
|
int32_t *dst_int32_t;
|
|
|
|
sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
|
|
|
|
/* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */
|
|
samples_per_block = 1;
|
|
if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
|
|
/* we process 40-bit blocks per channel for LXF */
|
|
samples_per_block = 2;
|
|
sample_size = 5;
|
|
}
|
|
|
|
if (sample_size == 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (channels == 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->codec_id != avctx->codec->id) {
|
|
av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
n = channels * sample_size;
|
|
|
|
if (n && buf_size % n) {
|
|
if (buf_size < n) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Invalid PCM packet, data has size %d but at least a size of %d was expected\n",
|
|
buf_size, n);
|
|
return AVERROR_INVALIDDATA;
|
|
} else
|
|
buf_size -= buf_size % n;
|
|
}
|
|
|
|
n = buf_size / sample_size;
|
|
|
|
/* get output buffer */
|
|
frame->nb_samples = n * samples_per_block / channels;
|
|
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
|
|
return ret;
|
|
samples = frame->data[0];
|
|
|
|
switch (avctx->codec_id) {
|
|
case AV_CODEC_ID_PCM_U32LE:
|
|
DECODE(32, le32, src, samples, n, 0, 0x80000000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U32BE:
|
|
DECODE(32, be32, src, samples, n, 0, 0x80000000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24LE:
|
|
DECODE(32, le24, src, samples, n, 8, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24LE_PLANAR:
|
|
DECODE_PLANAR(32, le24, src, samples, n, 8, 0);
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24BE:
|
|
DECODE(32, be24, src, samples, n, 8, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U24LE:
|
|
DECODE(32, le24, src, samples, n, 8, 0x800000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U24BE:
|
|
DECODE(32, be24, src, samples, n, 8, 0x800000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S24DAUD:
|
|
for (; n > 0; n--) {
|
|
uint32_t v = bytestream_get_be24(&src);
|
|
v >>= 4; // sync flags are here
|
|
AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
|
|
(ff_reverse[v & 0xff] << 8));
|
|
samples += 2;
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_U16LE:
|
|
DECODE(16, le16, src, samples, n, 0, 0x8000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_U16BE:
|
|
DECODE(16, be16, src, samples, n, 0, 0x8000)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S8:
|
|
for (; n > 0; n--)
|
|
*samples++ = *src++ + 128;
|
|
break;
|
|
case AV_CODEC_ID_PCM_SGA:
|
|
for (; n > 0; n--) {
|
|
int sign = *src >> 7;
|
|
int magn = *src & 0x7f;
|
|
*samples++ = sign ? 128 - magn : 128 + magn;
|
|
src++;
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_S8_PLANAR:
|
|
n /= avctx->ch_layout.nb_channels;
|
|
for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
|
|
int i;
|
|
samples = frame->extended_data[c];
|
|
for (i = n; i > 0; i--)
|
|
*samples++ = *src++ + 128;
|
|
}
|
|
break;
|
|
#if HAVE_BIGENDIAN
|
|
case AV_CODEC_ID_PCM_S64LE:
|
|
case AV_CODEC_ID_PCM_F64LE:
|
|
DECODE(64, le64, src, samples, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
case AV_CODEC_ID_PCM_F32LE:
|
|
case AV_CODEC_ID_PCM_F24LE:
|
|
case AV_CODEC_ID_PCM_F16LE:
|
|
DECODE(32, le32, src, samples, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S32LE_PLANAR:
|
|
DECODE_PLANAR(32, le32, src, samples, n, 0, 0);
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16LE:
|
|
DECODE(16, le16, src, samples, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
DECODE_PLANAR(16, le16, src, samples, n, 0, 0);
|
|
break;
|
|
case AV_CODEC_ID_PCM_F64BE:
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
case AV_CODEC_ID_PCM_S64BE:
|
|
case AV_CODEC_ID_PCM_S32BE:
|
|
case AV_CODEC_ID_PCM_S16BE:
|
|
#else
|
|
case AV_CODEC_ID_PCM_S64BE:
|
|
case AV_CODEC_ID_PCM_F64BE:
|
|
DECODE(64, be64, src, samples, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
case AV_CODEC_ID_PCM_S32BE:
|
|
DECODE(32, be32, src, samples, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16BE:
|
|
DECODE(16, be16, src, samples, n, 0, 0)
|
|
break;
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
DECODE_PLANAR(16, be16, src, samples, n, 0, 0);
|
|
break;
|
|
case AV_CODEC_ID_PCM_F64LE:
|
|
case AV_CODEC_ID_PCM_F32LE:
|
|
case AV_CODEC_ID_PCM_F24LE:
|
|
case AV_CODEC_ID_PCM_F16LE:
|
|
case AV_CODEC_ID_PCM_S64LE:
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
case AV_CODEC_ID_PCM_S16LE:
|
|
#endif /* HAVE_BIGENDIAN */
|
|
case AV_CODEC_ID_PCM_U8:
|
|
memcpy(samples, src, n * sample_size);
|
|
break;
|
|
#if HAVE_BIGENDIAN
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
#else
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
case AV_CODEC_ID_PCM_S32LE_PLANAR:
|
|
#endif /* HAVE_BIGENDIAN */
|
|
n /= avctx->ch_layout.nb_channels;
|
|
for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
|
|
samples = frame->extended_data[c];
|
|
bytestream_get_buffer(&src, samples, n * sample_size);
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_ALAW:
|
|
case AV_CODEC_ID_PCM_MULAW:
|
|
case AV_CODEC_ID_PCM_VIDC:
|
|
for (; n > 0; n--) {
|
|
AV_WN16A(samples, s->table[*src++]);
|
|
samples += 2;
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_PCM_LXF:
|
|
{
|
|
int i;
|
|
n /= channels;
|
|
for (c = 0; c < channels; c++) {
|
|
dst_int32_t = (int32_t *)frame->extended_data[c];
|
|
for (i = 0; i < n; i++) {
|
|
// extract low 20 bits and expand to 32 bits
|
|
*dst_int32_t++ = ((uint32_t)src[2]<<28) |
|
|
(src[1] << 20) |
|
|
(src[0] << 12) |
|
|
((src[2] & 0x0F) << 8) |
|
|
src[1];
|
|
// extract high 20 bits and expand to 32 bits
|
|
*dst_int32_t++ = ((uint32_t)src[4]<<24) |
|
|
(src[3] << 16) |
|
|
((src[2] & 0xF0) << 8) |
|
|
(src[4] << 4) |
|
|
(src[3] >> 4);
|
|
src += 5;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
if (avctx->codec_id == AV_CODEC_ID_PCM_F16LE ||
|
|
avctx->codec_id == AV_CODEC_ID_PCM_F24LE) {
|
|
s->vector_fmul_scalar((float *)frame->extended_data[0],
|
|
(const float *)frame->extended_data[0],
|
|
s->scale, FFALIGN(frame->nb_samples * avctx->ch_layout.nb_channels, 4));
|
|
}
|
|
|
|
*got_frame_ptr = 1;
|
|
|
|
return buf_size;
|
|
}
|
|
|
|
#define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
|
|
#define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \
|
|
const FFCodec ff_ ## name_ ## _encoder = { \
|
|
.p.name = #name_, \
|
|
CODEC_LONG_NAME(long_name_), \
|
|
.p.type = AVMEDIA_TYPE_AUDIO, \
|
|
.p.id = AV_CODEC_ID_ ## id_, \
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE | \
|
|
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, \
|
|
.init = pcm_encode_init, \
|
|
FF_CODEC_ENCODE_CB(pcm_encode_frame), \
|
|
.p.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
|
|
AV_SAMPLE_FMT_NONE }, \
|
|
}
|
|
|
|
#define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \
|
|
PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)
|
|
#define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name) \
|
|
PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)
|
|
#define PCM_ENCODER(id, sample_fmt, name, long_name) \
|
|
PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)
|
|
|
|
#define PCM_DECODER_0(id, sample_fmt, name, long_name)
|
|
#define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \
|
|
const FFCodec ff_ ## name_ ## _decoder = { \
|
|
.p.name = #name_, \
|
|
CODEC_LONG_NAME(long_name_), \
|
|
.p.type = AVMEDIA_TYPE_AUDIO, \
|
|
.p.id = AV_CODEC_ID_ ## id_, \
|
|
.priv_data_size = sizeof(PCMDecode), \
|
|
.init = pcm_decode_init, \
|
|
FF_CODEC_DECODE_CB(pcm_decode_frame), \
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_PARAM_CHANGE, \
|
|
.p.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
|
|
AV_SAMPLE_FMT_NONE }, \
|
|
}
|
|
|
|
#define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \
|
|
PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)
|
|
#define PCM_DECODER_3(cf, id, sample_fmt, name, long_name) \
|
|
PCM_DECODER_2(cf, id, sample_fmt, name, long_name)
|
|
#define PCM_DECODER(id, sample_fmt, name, long_name) \
|
|
PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)
|
|
|
|
#define PCM_CODEC(id, sample_fmt_, name, long_name_) \
|
|
PCM_ENCODER(id, sample_fmt_, name, long_name_); \
|
|
PCM_DECODER(id, sample_fmt_, name, long_name_)
|
|
|
|
/* Note: Do not forget to add new entries to the Makefile as well. */
|
|
PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law");
|
|
PCM_DECODER(PCM_F16LE, AV_SAMPLE_FMT_FLT, pcm_f16le, "PCM 16.8 floating point little-endian");
|
|
PCM_DECODER(PCM_F24LE, AV_SAMPLE_FMT_FLT, pcm_f24le, "PCM 24.0 floating point little-endian");
|
|
PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
|
|
PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
|
|
PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
|
|
PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
|
|
PCM_DECODER(PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar");
|
|
PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law");
|
|
PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
|
|
PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar");
|
|
PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
|
|
PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar");
|
|
PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
|
|
PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
|
|
PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
|
|
PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
|
|
PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
|
|
PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar");
|
|
PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
|
|
PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
|
|
PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar");
|
|
PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
|
|
PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
|
|
PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
|
|
PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
|
|
PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
|
|
PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
|
|
PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
|
|
PCM_CODEC (PCM_S64BE, AV_SAMPLE_FMT_S64, pcm_s64be, "PCM signed 64-bit big-endian");
|
|
PCM_CODEC (PCM_S64LE, AV_SAMPLE_FMT_S64, pcm_s64le, "PCM signed 64-bit little-endian");
|
|
PCM_CODEC (PCM_VIDC, AV_SAMPLE_FMT_S16, pcm_vidc, "PCM Archimedes VIDC");
|
|
PCM_DECODER(PCM_SGA, AV_SAMPLE_FMT_U8, pcm_sga, "PCM SGA");
|