[FFmpeg-cvslog] avcocdec/mpegaudio_parser: add MP3 ADU headers parser

Gilles Chanteperdrix git at videolan.org
Sat Feb 14 20:11:41 CET 2015


ffmpeg | branch: master | Gilles Chanteperdrix <gilles.chanteperdrix at xenomai.org> | Fri Feb 13 22:51:33 2015 +0100| [8ca098f4445cd12d39b2c55b0dfb8c988b7b28ce] | committer: Michael Niedermayer

avcocdec/mpegaudio_parser: add MP3 ADU headers parser

Reviewed-by: Thomas Volkert <silvo at gmx.net>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8ca098f4445cd12d39b2c55b0dfb8c988b7b28ce
---

 libavcodec/mpegaudio_parser.c   |   14 ++++++++++++--
 libavcodec/mpegaudiodecheader.c |    3 ++-
 libavcodec/version.h            |    4 ++--
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/libavcodec/mpegaudio_parser.c b/libavcodec/mpegaudio_parser.c
index 79dbf63..42f4706 100644
--- a/libavcodec/mpegaudio_parser.c
+++ b/libavcodec/mpegaudio_parser.c
@@ -64,7 +64,7 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
         }else{
             while(i<buf_size){
                 int ret, sr, channels, bit_rate, frame_size;
-                enum AVCodecID codec_id;
+                enum AVCodecID codec_id = avctx->codec_id;
 
                 state= (state<<8) + buf[i++];
 
@@ -90,6 +90,16 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
                             avctx->bit_rate += (bit_rate - avctx->bit_rate) / (s->header_count - header_threshold);
                         }
                     }
+
+                    if (s1->flags & PARSER_FLAG_COMPLETE_FRAMES) {
+                        s->frame_size = 0;
+                        next = buf_size;
+                    } else if (codec_id == AV_CODEC_ID_MP3ADU) {
+                        av_log(avctx, AV_LOG_ERROR,
+                            "MP3ADU full parser not implemented");
+                        return AVERROR_PATCHWELCOME;
+                    }
+
                     break;
                 }
             }
@@ -110,7 +120,7 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
 
 
 AVCodecParser ff_mpegaudio_parser = {
-    .codec_ids      = { AV_CODEC_ID_MP1, AV_CODEC_ID_MP2, AV_CODEC_ID_MP3 },
+    .codec_ids      = { AV_CODEC_ID_MP1, AV_CODEC_ID_MP2, AV_CODEC_ID_MP3, AV_CODEC_ID_MP3ADU },
     .priv_data_size = sizeof(MpegAudioParseContext),
     .parser_parse   = mpegaudio_parse,
     .parser_close   = ff_parse_close,
diff --git a/libavcodec/mpegaudiodecheader.c b/libavcodec/mpegaudiodecheader.c
index 5db1957..6af6e4b 100644
--- a/libavcodec/mpegaudiodecheader.c
+++ b/libavcodec/mpegaudiodecheader.c
@@ -134,7 +134,8 @@ int avpriv_mpa_decode_header2(uint32_t head, int *sample_rate, int *channels, in
         break;
     default:
     case 3:
-        *codec_id = AV_CODEC_ID_MP3;
+        if (*codec_id != AV_CODEC_ID_MP3ADU)
+            *codec_id = AV_CODEC_ID_MP3;
         if (s->lsf)
             *frame_size = 576;
         else
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 8a86414..e1e2904 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,8 +29,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 56
-#define LIBAVCODEC_VERSION_MINOR  21
-#define LIBAVCODEC_VERSION_MICRO 102
+#define LIBAVCODEC_VERSION_MINOR  22
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \



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