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Index: libavcodec/mpegvideo.c
===================================================================
--- ffmpeg.orig/libavcodec/mpegvideo.c (revision 22823)
+++ ffmpeg/libavcodec/mpegvideo.c (working copy)
@@ -867,19 +867,18 @@
}
av_log(s->avctx, AV_LOG_FATAL, "Internal error, picture buffer overflow\n");
- /* We could return -1, but the codec would crash trying to draw into a
- * non-existing frame anyway. This is safer than waiting for a random crash.
- * Also the return of this is never useful, an encoder must only allocate
- * as much as allowed in the specification. This has no relationship to how
- * much libavcodec could allocate (and MAX_PICTURE_COUNT is always large
- * enough for such valid streams).
- * Plus, a decoder has to check stream validity and remove frames if too
- * many reference frames are around. Waiting for "OOM" is not correct at
- * all. Similarly, missing reference frames have to be replaced by
- * interpolated/MC frames, anything else is a bug in the codec ...
- */
- abort();
- return -1;
+ /* XXX there seems to be a leak caused by h264 in mpeg transport
+ * streams: Over-the-air streams have a lot of errors. A picture
+ * may be marked as referenced but the actual references get lost
+ * so it never gets released. We take care of that here by releasing
+ * the oldest we have & reusing its slot. */
+ int oldest=0;
+ for(i=0; i<MAX_PICTURE_COUNT; i++){
+ if (s->picture[i].coded_picture_number < s->picture[oldest].coded_picture_number)
+ oldest = i;
+ }
+ s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[oldest]);
+ return oldest;
}
static void update_noise_reduction(MpegEncContext *s){
Index: libavcodec/h264.c
===================================================================
--- ffmpeg.orig/libavcodec/h264.c (revision 22823)
+++ ffmpeg/libavcodec/h264.c (working copy)
@@ -2772,8 +2772,8 @@
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
if (avctx->skip_frame >= AVDISCARD_NONREF)
return 0;
- av_log(avctx, AV_LOG_ERROR, "no frame!\n");
+ av_log(avctx, AV_LOG_DEBUG, "no frame!\n");
return -1;
}
Index: libavcodec/h264_refs.c
===================================================================
--- ffmpeg.orig/libavcodec/h264_refs.c (revision 22823)
+++ ffmpeg/libavcodec/h264_refs.c (working copy)
@@ -608,7 +608,7 @@
* stream. Need to discard one frame. Prevents overrun of the
* short_ref and long_ref buffers.
*/
- av_log(h->s.avctx, AV_LOG_ERROR,
+ av_log(h->s.avctx, AV_LOG_DEBUG,
"number of reference frames (%d+%d) exceeds max (%d; probably "
"corrupt input), discarding one\n");
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