[FFmpeg-cvslog] r22301 - in trunk/libavformat: avformat.h utils.c

alexc subversion
Mon Mar 8 01:00:50 CET 2010


Author: alexc
Date: Mon Mar  8 01:00:50 2010
New Revision: 22301

Log:
av_find_stream_info(): Add a workaround for backwards compatible HE-AAC signaling.

The sample rate, frame size, and channel count from the container are
not reliable when backwards compatible signaling is used.

Modified:
   trunk/libavformat/avformat.h
   trunk/libavformat/utils.c

Modified: trunk/libavformat/avformat.h
==============================================================================
--- trunk/libavformat/avformat.h	Mon Mar  8 00:53:47 2010	(r22300)
+++ trunk/libavformat/avformat.h	Mon Mar  8 01:00:50 2010	(r22301)
@@ -22,7 +22,7 @@
 #define AVFORMAT_AVFORMAT_H
 
 #define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 54
+#define LIBAVFORMAT_VERSION_MINOR 55
 #define LIBAVFORMAT_VERSION_MICRO  0
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \

Modified: trunk/libavformat/utils.c
==============================================================================
--- trunk/libavformat/utils.c	Mon Mar  8 00:53:47 2010	(r22300)
+++ trunk/libavformat/utils.c	Mon Mar  8 01:00:50 2010	(r22301)
@@ -2116,6 +2116,11 @@ int av_find_stream_info(AVFormatContext 
 
     for(i=0;i<ic->nb_streams;i++) {
         st = ic->streams[i];
+        if (st->codec->codec_id == CODEC_ID_AAC) {
+            st->codec->sample_rate = 0;
+            st->codec->frame_size = 0;
+            st->codec->channels = 0;
+        }
         if(st->codec->codec_type == CODEC_TYPE_VIDEO){
 /*            if(!st->time_base.num)
                 st->time_base= */



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