1 files changed, 19 insertions, 3 deletions
diff --git a/libavformat/internal.h b/libavformat/internal.h
index cd390ddf70..1719deb219 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -144,6 +144,22 @@ struct AVStreamInternal {
      * Whether or not check_bitstream should still be run on each packet
      */
     int bitstream_checked;
+
+    /**
+     * The codec context used by avformat_find_stream_info, the parser, etc.
+     */
+    AVCodecContext *avctx;
+    /**
+     * 1 if avctx has been initialized with the values from the codec parameters
+     */
+    int avctx_inited;
+
+    enum AVCodecID orig_codec_id;
+
+    /**
+     * Whether the internal avctx needs to be updated from codecpar (after a late change to codecpar)
+     */
+    int need_context_update;
 };
 
 #ifdef __GNUC__
@@ -497,7 +513,7 @@ static inline int ff_rename(const char *oldpath, const char *newpath, void *logc
  * @param size size of extradata
  * @return 0 if OK, AVERROR_xxx on error
  */
-int ff_alloc_extradata(AVCodecContext *avctx, int size);
+int ff_alloc_extradata(AVCodecParameters *par, int size);
 
 /**
  * Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end
@@ -506,7 +522,7 @@ int ff_alloc_extradata(AVCodecContext *avctx, int size);
  * @param size size of extradata
  * @return >= 0 if OK, AVERROR_xxx on error
  */
-int ff_get_extradata(AVCodecContext *avctx, AVIOContext *pb, int size);
+int ff_get_extradata(AVCodecParameters *par, AVIOContext *pb, int size);
 
 /**
  * add frame for rfps calculation.
@@ -581,7 +597,7 @@ int ff_standardize_creation_time(AVFormatContext *s);
  *         non-zero if a new packet was allocated and ppkt has to be freed
  *         CONTAINS_PAL if in addition to a new packet the old contained a palette
  */
-int ff_reshuffle_raw_rgb(AVFormatContext *s, AVPacket **ppkt, AVCodecContext *enc, int expected_stride);
+int ff_reshuffle_raw_rgb(AVFormatContext *s, AVPacket **ppkt, AVCodecParameters *par, int expected_stride);
 
 /**
  * Retrieves the palette from a packet, either from side data, or