Decoder for LPCM as used in Bluray discs.

Patch by Christian Schmidt, schmidt digadd de

Originally committed as revision 19722 to svn://svn.ffmpeg.org/ffmpeg/trunk

Changelog

@@ -35,6 +35,7 @@ version <next>:
 - IEC-61937 compatible Muxer
 - TwinVQ decoder
 - Bluray (PGS) subtitle decoder
+- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
 
 
 

doc/general.texi

@@ -583,6 +583,7 @@ following image formats are supported:
 @item PCM signed 24-bit little-endian  @tab  X  @tab  X
 @item PCM signed 32-bit big-endian  @tab  X  @tab  X
 @item PCM signed 32-bit little-endian  @tab  X  @tab  X
+@item PCM signed 16/20/24-bit big-endian in MPEG-TS  @tab     @tab  X
 @item PCM unsigned 8-bit     @tab  X  @tab  X
 @item PCM unsigned 16-bit big-endian  @tab  X  @tab  X
 @item PCM unsigned 16-bit little-endian  @tab  X  @tab  X

libavcodec/Makefile

@@ -272,6 +272,7 @@ OBJS-$(CONFIG_ZMBV_ENCODER)            += zmbvenc.o
 # (AD)PCM decoders/encoders
 OBJS-$(CONFIG_PCM_ALAW_DECODER)           += pcm.o
 OBJS-$(CONFIG_PCM_ALAW_ENCODER)           += pcm.o
+OBJS-$(CONFIG_PCM_BLURAY_DECODER)         += pcm-mpeg.o
 OBJS-$(CONFIG_PCM_DVD_DECODER)            += pcm.o
 OBJS-$(CONFIG_PCM_DVD_ENCODER)            += pcm.o
 OBJS-$(CONFIG_PCM_F32BE_DECODER)          += pcm.o

libavcodec/allcodecs.c

@@ -238,6 +238,7 @@ void avcodec_register_all(void)
 
     /* PCM codecs */
     REGISTER_ENCDEC  (PCM_ALAW, pcm_alaw);
+    REGISTER_DECODER (PCM_BLURAY, pcm_bluray);
     REGISTER_DECODER (PCM_DVD, pcm_dvd);
     REGISTER_ENCDEC  (PCM_F32BE, pcm_f32be);
     REGISTER_ENCDEC  (PCM_F32LE, pcm_f32le);

libavcodec/avcodec.h

@@ -30,7 +30,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 33
+#define LIBAVCODEC_VERSION_MINOR 34
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@@ -224,6 +224,7 @@ enum CodecID {
     CODEC_ID_PCM_F32LE,
     CODEC_ID_PCM_F64BE,
     CODEC_ID_PCM_F64LE,
+    CODEC_ID_PCM_BLURAY,
 
     /* various ADPCM codecs */
     CODEC_ID_ADPCM_IMA_QT= 0x11000,
@@ -395,6 +396,7 @@ enum SampleFormat {
 #define CH_LAYOUT_5POINT1           (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)
 #define CH_LAYOUT_5POINT0_BACK      (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT)
 #define CH_LAYOUT_5POINT1_BACK      (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY)
+#define CH_LAYOUT_7POINT0           (CH_LAYOUT_5POINT0|CH_BACK_LEFT|CH_BACK_RIGHT)
 #define CH_LAYOUT_7POINT1           (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
 #define CH_LAYOUT_7POINT1_WIDE      (CH_LAYOUT_5POINT1_BACK|\
                                           CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER)

libavformat/mpegts.c

@@ -505,6 +505,7 @@ static const StreamType ISO_types[] = {
 };
 
 static const StreamType HDMV_types[] = {
+    { 0x80, CODEC_TYPE_AUDIO, CODEC_ID_PCM_BLURAY },
     { 0x81, CODEC_TYPE_AUDIO, CODEC_ID_AC3 },
     { 0x82, CODEC_TYPE_AUDIO, CODEC_ID_DTS },
     { 0x90, CODEC_TYPE_SUBTITLE, CODEC_ID_HDMV_PGS_SUBTITLE },