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pcm: support 24-bit/32-bit little-endian planar

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Used by LXF.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
pull/37/merge
Paul B Mahol 12 years ago committed by Luca Barbato
parent 839df90c71
commit 7e52080cb1
9 changed files with 61 additions and 16 deletions
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  1. 4
      doc/general.texi
  2. 2
      libavcodec/Makefile
  3. 2
      libavcodec/allcodecs.c
  4. 2
      libavcodec/avcodec.h
  5. 14
      libavcodec/codec_desc.c
  6. 47
      libavcodec/pcm.c
  7. 2
      libavcodec/utils.c
  8. 2
      libavcodec/version.h
  9. 2
      libavformat/nut.c

4
doc/general.texi
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@ -771,7 +771,9 @@ 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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@ -454,10 +454,12 @@ 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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@ -352,8 +352,10 @@ 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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@ -305,6 +305,8 @@ enum AVCodecID {
AV_CODEC_ID_PCM_LXF,
AV_CODEC_ID_S302M,
AV_CODEC_ID_PCM_S8_PLANAR,
AV_CODEC_ID_PCM_S24LE_PLANAR,
AV_CODEC_ID_PCM_S32LE_PLANAR,
/* various ADPCM codecs */
AV_CODEC_ID_ADPCM_IMA_QT = 0x11000,

14
libavcodec/codec_desc.c
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@ -1369,6 +1369,20 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("PCM 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,

47
libavcodec/pcm.c
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@ -250,6 +250,30 @@ static av_cold int pcm_decode_init(AVCodecContext *avctx)
dst += size / 8; \
}
#if HAVE_BIGENDIAN
#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
{ \
int av_unused n2; \
n /= avctx->channels; \
for (c = 0; c < avctx->channels; c++) { \
samples = frame->extended_data[c]; \
n2 = n; \
DECODE(size, endian, src, samples, n2, 0, 0) \
} \
}
#else
#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
{ \
int av_unused n2; \
n /= avctx->channels; \
for (c = 0; c < avctx->channels; c++) { \
samples = frame->extended_data[c]; \
memcpy(samples, src, n * size / 8); \
src += n * size / 8; \
} \
}
#endif /* HAVE_BIGENDIAN */
static int pcm_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
@ -325,21 +349,14 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
}
break;
case AV_CODEC_ID_PCM_S16LE_PLANAR:
{
int av_unused n2;
n /= avctx->channels;
for (c = 0; c < avctx->channels; c++) {
samples = frame->extended_data[c];
#if HAVE_BIGENDIAN
n2 = n;
DECODE(16, le16, src, samples, n2, 0, 0)
#else
memcpy(samples, src, n * 2);
src += n * 2;
#endif
}
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;
@ -495,8 +512,10 @@ PCM_DECODER(PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P, pcm_s16le_planar, "PCM 16-bit
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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@ -1840,11 +1840,13 @@ 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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@ -27,7 +27,7 @@
*/
#define LIBAVCODEC_VERSION_MAJOR 55
#define LIBAVCODEC_VERSION_MINOR 20
#define LIBAVCODEC_VERSION_MINOR 21
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

2
libavformat/nut.c
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@ -146,6 +146,8 @@ 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_MP3, MKTAG('M', 'P', '3', ' ') },
{ AV_CODEC_ID_NONE, 0 }
};

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