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PCM signed 24-bit/32-bit little-endian planar decoder

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-16 16:00:04 +00:00
parent ee2d6fbc92
commit 467dfd5dfa
9 changed files with 50 additions and 13 deletions
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4
doc/general.texi
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@ -826,7 +826,9 @@ following image formats are supported:
@tab supported through external library libopus
@item PCM A-law @tab X @tab X
@item PCM mu-law @tab X @tab X
@item PCM 16-bit little-endian planar @tab @tab X
@item PCM signed 16-bit little-endian planar @tab @tab X
@item PCM signed 24-bit little-endian planar @tab @tab X
@item PCM signed 32-bit little-endian planar @tab @tab X
@item PCM 32-bit floating point big-endian @tab X @tab X
@item PCM 32-bit floating point little-endian @tab X @tab X
@item PCM 64-bit floating point big-endian @tab X @tab X

2
libavcodec/Makefile
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@ -533,10 +533,12 @@ OBJS-$(CONFIG_PCM_S24DAUD_DECODER) += pcm.o
OBJS-$(CONFIG_PCM_S24DAUD_ENCODER) += pcm.o
OBJS-$(CONFIG_PCM_S24LE_DECODER) += pcm.o
OBJS-$(CONFIG_PCM_S24LE_ENCODER) += pcm.o
OBJS-$(CONFIG_PCM_S24LE_PLANAR_DECODER) += pcm.o
OBJS-$(CONFIG_PCM_S32BE_DECODER) += pcm.o
OBJS-$(CONFIG_PCM_S32BE_ENCODER) += pcm.o
OBJS-$(CONFIG_PCM_S32LE_DECODER) += pcm.o
OBJS-$(CONFIG_PCM_S32LE_ENCODER) += pcm.o
OBJS-$(CONFIG_PCM_S32LE_PLANAR_DECODER) += pcm.o
OBJS-$(CONFIG_PCM_U8_DECODER) += pcm.o
OBJS-$(CONFIG_PCM_U8_ENCODER) += pcm.o
OBJS-$(CONFIG_PCM_U16BE_DECODER) += pcm.o

2
libavcodec/allcodecs.c
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@ -363,8 +363,10 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (PCM_S24BE, pcm_s24be);
REGISTER_ENCDEC (PCM_S24DAUD, pcm_s24daud);
REGISTER_ENCDEC (PCM_S24LE, pcm_s24le);
REGISTER_DECODER (PCM_S24LE_PLANAR, pcm_s24le_planar);
REGISTER_ENCDEC (PCM_S32BE, pcm_s32be);
REGISTER_ENCDEC (PCM_S32LE, pcm_s32le);
REGISTER_DECODER (PCM_S32LE_PLANAR, pcm_s32le_planar);
REGISTER_ENCDEC (PCM_U8, pcm_u8);
REGISTER_ENCDEC (PCM_U16BE, pcm_u16be);
REGISTER_ENCDEC (PCM_U16LE, pcm_u16le);

2
libavcodec/avcodec.h
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@ -315,6 +315,8 @@ enum AVCodecID {
AV_CODEC_ID_PCM_LXF,
AV_CODEC_ID_S302M,
AV_CODEC_ID_PCM_S8_PLANAR,
AV_CODEC_ID_PCM_S24LE_PLANAR = MKBETAG(24,'P','S','P'),
AV_CODEC_ID_PCM_S32LE_PLANAR = MKBETAG(32,'P','S','P'),
/* various ADPCM codecs */
AV_CODEC_ID_ADPCM_IMA_QT = 0x11000,

14
libavcodec/codec_desc.c
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@ -1454,6 +1454,20 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("PCM signed 16-bit little-endian planar"),
.props = AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_PCM_S24LE_PLANAR,
.type = AVMEDIA_TYPE_AUDIO,
.name = "pcm_s24le_planar",
.long_name = NULL_IF_CONFIG_SMALL("PCM signed 24-bit little-endian planar"),
.props = AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_PCM_S32LE_PLANAR,
.type = AVMEDIA_TYPE_AUDIO,
.name = "pcm_s32le_planar",
.long_name = NULL_IF_CONFIG_SMALL("PCM signed 32-bit little-endian planar"),
.props = AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_PCM_DVD,
.type = AVMEDIA_TYPE_AUDIO,

33
libavcodec/pcm.c
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@ -252,6 +252,19 @@ static av_cold int pcm_decode_init(AVCodecContext *avctx)
dst += size / 8; \
}
#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) { \
int i; \
n /= avctx->channels; \
for (c = 0; c < avctx->channels; c++) { \
dst = s->frame.extended_data[c]; \
for (i = n; i > 0; i--) { \
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
AV_WN ## size ## A(dst, (v - offset) << shift); \
dst += size / 8; \
} \
} \
}
static int pcm_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
@ -344,18 +357,14 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
}
break;
case AV_CODEC_ID_PCM_S16LE_PLANAR:
{
int i;
n /= avctx->channels;
for (c = 0; c < avctx->channels; c++) {
samples = s->frame.extended_data[c];
for (i = n; i > 0; i--) {
AV_WN16A(samples, bytestream_get_le16(&src));
samples += 2;
}
}
DECODE_PLANAR(16, le16, src, samples, n, 0, 0);
break;
case AV_CODEC_ID_PCM_S24LE_PLANAR:
DECODE_PLANAR(32, le24, src, samples, n, 8, 0);
break;
case AV_CODEC_ID_PCM_S32LE_PLANAR:
DECODE_PLANAR(32, le32, src, samples, n, 0, 0);
break;
}
case AV_CODEC_ID_PCM_U16LE:
DECODE(16, le16, src, samples, n, 0, 0x8000)
break;
@ -544,8 +553,10 @@ PCM_DECODER(PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 1
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_DECODER(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_DECODER(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");

2
libavcodec/utils.c
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@ -2319,11 +2319,13 @@ int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
case AV_CODEC_ID_PCM_S24DAUD:
case AV_CODEC_ID_PCM_S24BE:
case AV_CODEC_ID_PCM_S24LE:
case AV_CODEC_ID_PCM_S24LE_PLANAR:
case AV_CODEC_ID_PCM_U24BE:
case AV_CODEC_ID_PCM_U24LE:
return 24;
case AV_CODEC_ID_PCM_S32BE:
case AV_CODEC_ID_PCM_S32LE:
case AV_CODEC_ID_PCM_S32LE_PLANAR:
case AV_CODEC_ID_PCM_U32BE:
case AV_CODEC_ID_PCM_U32LE:
case AV_CODEC_ID_PCM_F32BE:

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 54
#define LIBAVCODEC_VERSION_MINOR 71
#define LIBAVCODEC_VERSION_MINOR 72
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

2
libavformat/nut.c
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@ -168,6 +168,8 @@ const AVCodecTag ff_nut_audio_tags[] = {
{ AV_CODEC_ID_PCM_U32LE, MKTAG('P', 'U', 'D', 32 ) },
{ AV_CODEC_ID_PCM_U8, MKTAG('P', 'U', 'D', 8 ) },
{ AV_CODEC_ID_PCM_S16LE_PLANAR, MKTAG('P', 'S', 'P', 16 ) },
{ AV_CODEC_ID_PCM_S24LE_PLANAR, MKTAG('P', 'S', 'P', 24 ) },
{ AV_CODEC_ID_PCM_S32LE_PLANAR, MKTAG('P', 'S', 'P', 32 ) },
{ AV_CODEC_ID_NONE, 0 }
};