X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fvp8.c;h=8cf67ba491441ffb81bfadc38169d65f62cf906e;hb=107f55cb01d2333541b8887194c487a6c6bc1ba1;hp=37bdcf75258572f6961cee00419ddcca850c8b11;hpb=6ace8374bacf33e5f3407cb50e928e7533eb5e92;p=ffmpeg

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 37bdcf75258..8cf67ba4914 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -24,6 +24,7 @@
 
 #include "libavutil/imgutils.h"
 #include "avcodec.h"
+#include "internal.h"
 #include "vp8.h"
 #include "vp8data.h"
 #include "rectangle.h"
@@ -50,8 +51,7 @@ static int vp8_alloc_frame(VP8Context *s, AVFrame *f)
     int ret;
     if ((ret = ff_thread_get_buffer(s->avctx, f)) < 0)
         return ret;
-    if (s->num_maps_to_be_freed) {
-        assert(!s->maps_are_invalid);
+    if (s->num_maps_to_be_freed && !s->maps_are_invalid) {
         f->ref_index[0] = s->segmentation_maps[--s->num_maps_to_be_freed];
     } else if (!(f->ref_index[0] = av_mallocz(s->mb_width * s->mb_height))) {
         ff_thread_release_buffer(s->avctx, f);
@@ -88,7 +88,7 @@ static void vp8_decode_flush_impl(AVCodecContext *avctx,
     VP8Context *s = avctx->priv_data;
     int i;
 
-    if (!avctx->is_copy) {
+    if (!avctx->internal->is_copy) {
         for (i = 0; i < 5; i++)
             if (s->frames[i].data[0])
                 vp8_release_frame(s, &s->frames[i], prefer_delayed_free, can_direct_free);
@@ -1567,13 +1567,15 @@ static int vp8_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     VP8Context *s = avctx->priv_data;
     int ret, mb_x, mb_y, i, y, referenced;
     enum AVDiscard skip_thresh;
-    AVFrame *av_uninit(curframe), *prev_frame = s->framep[VP56_FRAME_CURRENT];
+    AVFrame *av_uninit(curframe), *prev_frame;
 
     release_queued_segmaps(s, 0);
 
     if ((ret = decode_frame_header(s, avpkt->data, avpkt->size)) < 0)
         return ret;
 
+    prev_frame = s->framep[VP56_FRAME_CURRENT];
+
     referenced = s->update_last || s->update_golden == VP56_FRAME_CURRENT
                                 || s->update_altref == VP56_FRAME_CURRENT;
 
@@ -1814,6 +1816,7 @@ static int vp8_decode_update_thread_context(AVCodecContext *dst, const AVCodecCo
     if (s->macroblocks_base &&
         (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
         free_buffers(s);
+        s->maps_are_invalid = 1;
     }
 
     s->prob[0] = s_src->prob[!s_src->update_probabilities];