Merge commit '142e76f1055de5dde44696e71a5f63f2cb11dedf'

* commit '142e76f1055de5dde44696e71a5f63f2cb11dedf':
  swscale: fix crash with dithering due incorrect offset calculation.
  matroskadec: fix stupid typo (!= -> ==)
  build: remove duplicates from order-only directory prerequisite list
  build: rework rules for things in the tools dir
  configure: fix --cpu=host with gcc 4.6
  ARM: use const macro to define constant data in asm
  bitdepth: simplify FUNC/FUNCC macros
  dsputil: remove ff_emulated_edge_mc macro used in one place
  9/10-bit: simplify clipping macros
  matroskadec: reindent
  matroskadec: defer parsing of cues element until we seek.
  lavc: add support for codec-specific defaults.
  lavc: make avcodec_alloc_context3 officially public.
  lavc: remove a half-working attempt at different defaults for audio/video codecs.
  ac3dec: add a drc_scale private option
  lavf: add avformat_find_stream_info()
  lavc: introduce avcodec_open2() as a replacement for avcodec_open().

Conflicts:
	Makefile
	libavcodec/utils.c
	libavformat/avformat.h
	libswscale/swscale_internal.h

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

1 files changed, 14 insertions, 6 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 58b1f5611e..654bc8aae5 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2113,7 +2113,7 @@ static int has_decode_delay_been_guessed(AVStream *st)
         st->codec_info_nb_frames >= 6 + st->codec->has_b_frames;
 }
 
-static int try_decode_frame(AVStream *st, AVPacket *avpkt)
+static int try_decode_frame(AVStream *st, AVPacket *avpkt, AVDictionary **options)
 {
     int16_t *samples;
     AVCodec *codec;
@@ -2124,7 +2124,7 @@ static int try_decode_frame(AVStream *st, AVPacket *avpkt)
         codec = avcodec_find_decoder(st->codec->codec_id);
         if (!codec)
             return -1;
-        ret = avcodec_open(st->codec, codec);
+        ret = avcodec_open2(st->codec, codec, options);
         if (ret < 0)
             return ret;
     }
@@ -2243,12 +2243,20 @@ static int tb_unreliable(AVCodecContext *c){
     return 0;
 }
 
+#if FF_API_FORMAT_PARAMETERS
 int av_find_stream_info(AVFormatContext *ic)
 {
+    return avformat_find_stream_info(ic, NULL);
+}
+#endif
+
+int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
+{
     int i, count, ret, read_size, j;
     AVStream *st;
     AVPacket pkt1, *pkt;
     int64_t old_offset = avio_tell(ic->pb);
+    int orig_nb_streams = ic->nb_streams;        // new streams might appear, no options for those
 
     for(i=0;i<ic->nb_streams;i++) {
         AVCodec *codec;
@@ -2274,12 +2282,12 @@ int av_find_stream_info(AVFormatContext *ic)
         /* Ensure that subtitle_header is properly set. */
         if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE
             && codec && !st->codec->codec)
-            avcodec_open(st->codec, codec);
+            avcodec_open2(st->codec, codec, options ? &options[i] : NULL);
 
         //try to just open decoders, in case this is enough to get parameters
         if(!has_codec_parameters(st->codec)){
             if (codec && !st->codec->codec)
-                avcodec_open(st->codec, codec);
+                avcodec_open2(st->codec, codec, options ? &options[i] : NULL);
         }
     }
 
@@ -2423,7 +2431,7 @@ int av_find_stream_info(AVFormatContext *ic)
             !has_decode_delay_been_guessed(st) ||
             (st->codec->codec &&
              st->codec->codec->capabilities & CODEC_CAP_CHANNEL_CONF))
-            try_decode_frame(st, pkt);
+            try_decode_frame(st, pkt, (options && i <= orig_nb_streams )? &options[i] : NULL);
 
         st->codec_info_nb_frames++;
         count++;
@@ -2703,7 +2711,7 @@ AVStream *av_new_stream(AVFormatContext *s, int id)
         return NULL;
     }
 
-    st->codec= avcodec_alloc_context();
+    st->codec = avcodec_alloc_context3(NULL);
     if (s->iformat) {
         /* no default bitrate if decoding */
         st->codec->bit_rate = 0;