Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add F64BE, F64LE and F64BE PCM codecs.

Browse Source 
Originally committed as revision 14833 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Peter Ross 17 years ago
parent e06b00f3b6
commit 143a5d6f1f
4 changed files with 41 additions and 1 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 3
      libavcodec/allcodecs.c
  2. 5
      libavcodec/avcodec.h
  3. 25
      libavcodec/pcm.c
  4. 9
      libavcodec/utils.c

3
libavcodec/allcodecs.c
Unescape View File

@ -220,6 +220,9 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (PCM_ALAW, pcm_alaw);
REGISTER_DECODER (PCM_DVD, pcm_dvd);
REGISTER_ENCDEC (PCM_F32BE, pcm_f32be);
REGISTER_ENCDEC (PCM_F32LE, pcm_f32le);
REGISTER_ENCDEC (PCM_F64BE, pcm_f64be);
REGISTER_ENCDEC (PCM_F64LE, pcm_f64le);
REGISTER_ENCDEC (PCM_MULAW, pcm_mulaw);
REGISTER_ENCDEC (PCM_S8, pcm_s8);
REGISTER_ENCDEC (PCM_S16BE, pcm_s16be);

5
libavcodec/avcodec.h
Unescape View File

@ -30,7 +30,7 @@
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 51
#define LIBAVCODEC_VERSION_MINOR 65
#define LIBAVCODEC_VERSION_MINOR 66
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@ -212,6 +212,9 @@ enum CodecID {
CODEC_ID_PCM_S16LE_PLANAR,
CODEC_ID_PCM_DVD,
CODEC_ID_PCM_F32BE,
CODEC_ID_PCM_F32LE,
CODEC_ID_PCM_F64BE,
CODEC_ID_PCM_F64LE,
/* various ADPCM codecs */
CODEC_ID_ADPCM_IMA_QT= 0x11000,

25
libavcodec/pcm.c
Unescape View File

@ -158,6 +158,7 @@ static int pcm_encode_frame(AVCodecContext *avctx,
uint8_t *srcu8;
int16_t *samples_int16_t;
int32_t *samples_int32_t;
int64_t *samples_int64_t;
uint16_t *samples_uint16_t;
uint32_t *samples_uint32_t;
@ -213,16 +214,24 @@ static int pcm_encode_frame(AVCodecContext *avctx,
}
break;
#if WORDS_BIGENDIAN
case CODEC_ID_PCM_F64LE:
ENCODE(int64_t, le64, samples, dst, n, 0, 0)
break;
case CODEC_ID_PCM_S32LE:
case CODEC_ID_PCM_F32LE:
ENCODE(int32_t, le32, samples, dst, n, 0, 0)
break;
case CODEC_ID_PCM_S16LE:
ENCODE(int16_t, le16, samples, dst, n, 0, 0)
break;
case CODEC_ID_PCM_F64BE:
case CODEC_ID_PCM_F32BE:
case CODEC_ID_PCM_S32BE:
case CODEC_ID_PCM_S16BE:
#else
case CODEC_ID_PCM_F64BE:
ENCODE(int64_t, be64, samples, dst, n, 0, 0)
break;
case CODEC_ID_PCM_F32BE:
case CODEC_ID_PCM_S32BE:
ENCODE(int32_t, be32, samples, dst, n, 0, 0)
@ -230,6 +239,8 @@ static int pcm_encode_frame(AVCodecContext *avctx,
case CODEC_ID_PCM_S16BE:
ENCODE(int16_t, be16, samples, dst, n, 0, 0)
break;
case CODEC_ID_PCM_F64LE:
case CODEC_ID_PCM_F32LE:
case CODEC_ID_PCM_S32LE:
case CODEC_ID_PCM_S16LE:
#endif /* WORDS_BIGENDIAN */
@ -320,6 +331,7 @@ static int pcm_decode_frame(AVCodecContext *avctx,
uint8_t *dstu8;
int16_t *dst_int16_t;
int32_t *dst_int32_t;
int64_t *dst_int64_t;
uint16_t *dst_uint16_t;
uint32_t *dst_uint32_t;
@ -404,16 +416,24 @@ static int pcm_decode_frame(AVCodecContext *avctx,
samples= (short*)dstu8;
break;
#if WORDS_BIGENDIAN
case CODEC_ID_PCM_F64LE:
DECODE(int64_t, le64, src, samples, n, 0, 0)
break;
case CODEC_ID_PCM_S32LE:
case CODEC_ID_PCM_F32LE:
DECODE(int32_t, le32, src, samples, n, 0, 0)
break;
case CODEC_ID_PCM_S16LE:
DECODE(int16_t, le16, src, samples, n, 0, 0)
break;
case CODEC_ID_PCM_F64BE:
case CODEC_ID_PCM_F32BE:
case CODEC_ID_PCM_S32BE:
case CODEC_ID_PCM_S16BE:
#else
case CODEC_ID_PCM_F64BE:
DECODE(int64_t, be64, src, samples, n, 0, 0)
break;
case CODEC_ID_PCM_F32BE:
case CODEC_ID_PCM_S32BE:
DECODE(int32_t, be32, src, samples, n, 0, 0)
@ -421,6 +441,8 @@ static int pcm_decode_frame(AVCodecContext *avctx,
case CODEC_ID_PCM_S16BE:
DECODE(int16_t, be16, src, samples, n, 0, 0)
break;
case CODEC_ID_PCM_F64LE:
case CODEC_ID_PCM_F32LE:
case CODEC_ID_PCM_S32LE:
case CODEC_ID_PCM_S16LE:
#endif /* WORDS_BIGENDIAN */
@ -507,6 +529,9 @@ AVCodec name ## _decoder = { \
PCM_CODEC (CODEC_ID_PCM_ALAW, SAMPLE_FMT_S16, pcm_alaw, "A-law PCM");
PCM_CODEC (CODEC_ID_PCM_DVD, SAMPLE_FMT_S16, pcm_dvd, "signed 16|20|24-bit big-endian PCM");
PCM_CODEC (CODEC_ID_PCM_F32BE, SAMPLE_FMT_FLT, pcm_f32be, "32-bit floating point big-endian PCM");
PCM_CODEC (CODEC_ID_PCM_F32LE, SAMPLE_FMT_FLT, pcm_f32le, "32-bit floating point little-endian PCM");
PCM_CODEC (CODEC_ID_PCM_F64BE, SAMPLE_FMT_DBL, pcm_f64be, "64-bit floating point big-endian PCM");
PCM_CODEC (CODEC_ID_PCM_F64LE, SAMPLE_FMT_DBL, pcm_f64le, "64-bit floating point little-endian PCM");
PCM_CODEC (CODEC_ID_PCM_MULAW, SAMPLE_FMT_S16, pcm_mulaw, "mu-law PCM");
PCM_CODEC (CODEC_ID_PCM_S8, SAMPLE_FMT_U8, pcm_s8, "signed 8-bit PCM");
PCM_CODEC (CODEC_ID_PCM_S16BE, SAMPLE_FMT_S16, pcm_s16be, "signed 16-bit big-endian PCM");

9
libavcodec/utils.c
Unescape View File

@ -1158,11 +1158,16 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
/* for PCM codecs, compute bitrate directly */
switch(enc->codec_id) {
case CODEC_ID_PCM_F64BE:
case CODEC_ID_PCM_F64LE:
bitrate = enc->sample_rate * enc->channels * 64;
break;
case CODEC_ID_PCM_S32LE:
case CODEC_ID_PCM_S32BE:
case CODEC_ID_PCM_U32LE:
case CODEC_ID_PCM_U32BE:
case CODEC_ID_PCM_F32BE:
case CODEC_ID_PCM_F32LE:
bitrate = enc->sample_rate * enc->channels * 32;
break;
case CODEC_ID_PCM_S24LE:
@ -1312,7 +1317,11 @@ int av_get_bits_per_sample(enum CodecID codec_id){
case CODEC_ID_PCM_U32BE:
case CODEC_ID_PCM_U32LE:
case CODEC_ID_PCM_F32BE:
case CODEC_ID_PCM_F32LE:
return 32;
case CODEC_ID_PCM_F64BE:
case CODEC_ID_PCM_F64LE:
return 64;
default:
return 0;
}

Write Preview
Loading…
Cancel
Save