Merge remote-tracking branch 'qatar/master'

* qatar/master:
  cosmetics: fix some then/than typos
  doxygen: Include libavcodec and libavformat examples into the documentation
  avutil: elaborate documentation for av_get_random_seed
  Add support for aac streams in mp4/mov without extradata.
  aes: whitespace cosmetics
  adler32: whitespace cosmetics
  swscale: fix another yuv range conversion overflow in 16bit scaling.
  Fix cpu flags test program
  opt-test: Add missing braces to silence compiler warnings.
  build: Eliminate obsolete test targets.
  udp: Fix a compilation warning
  swscale: Unbreak build with --enable-small
  base64: add fate test
  aes: improve test program and add fate test
  adler32: make test program more useful and add fate test
  swscale: fix yuv range correction when using 16-bit scaling.
  aacenc: Make chan_map const correct

Conflicts:
	Makefile
	doc/examples/muxing-example.c
	libavformat/udp.c
	libavutil/random_seed.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 11 insertions, 14 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 4d8b9225fb..b3f0e12a65 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2246,11 +2246,7 @@ int av_find_stream_info(AVFormatContext *ic)
     for(i=0;i<ic->nb_streams;i++) {
         AVCodec *codec;
         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 == AVMEDIA_TYPE_VIDEO ||
             st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
 /*            if(!st->time_base.num)
@@ -2268,13 +2264,6 @@ int av_find_stream_info(AVFormatContext *ic)
         assert(!st->codec->codec);
         codec = avcodec_find_decoder(st->codec->codec_id);
 
-        /* Force decoding of at least one frame of codec data
-         * this makes sure the codec initializes the channel configuration
-         * and does not trust the values from the container.
-         */
-        if (codec && codec->capabilities & CODEC_CAP_CHANNEL_CONF)
-            st->codec->channels = 0;
-
         /* Ensure that subtitle_header is properly set. */
         if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE
             && codec && !st->codec->codec)
@@ -2417,8 +2406,16 @@ int av_find_stream_info(AVFormatContext *ic)
         /* if still no information, we try to open the codec and to
            decompress the frame. We try to avoid that in most cases as
            it takes longer and uses more memory. For MPEG-4, we need to
-           decompress for QuickTime. */
-        if (!has_codec_parameters(st->codec) || !has_decode_delay_been_guessed(st))
+           decompress for QuickTime.
+
+           If CODEC_CAP_CHANNEL_CONF is set this will force decoding of at
+           least one frame of codec data, this makes sure the codec initializes
+           the channel configuration and does not only trust the values from the container.
+        */
+        if (!has_codec_parameters(st->codec) ||
+            !has_decode_delay_been_guessed(st) ||
+            (st->codec->codec &&
+             st->codec->codec->capabilities & CODEC_CAP_CHANNEL_CONF))
             try_decode_frame(st, pkt);
 
         st->codec_info_nb_frames++;