avformat/mp3dec: improve junk skipping heuristic

[ffmpeg] / libavcodec / ffv1dec.c

diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index 662ef13fff1c0fece482e2eeb922432138e8aa0d..d9e1e73fd632e29091b36b79ed61f26c478e1302 100644 (file)
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -408,6 +408,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
         if (ff_ffv1_init_slice_state(f, fs) < 0)
             return AVERROR(ENOMEM);
         if (decode_slice_header(f, fs) < 0) {
+            fs->slice_x = fs->slice_y = fs->slice_height = fs->slice_width = 0;
             fs->slice_damaged = 1;
             return AVERROR_INVALIDDATA;
         }
@@ -939,6 +940,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
         else                     v = buf_p - c->bytestream_start;
         if (buf_p - c->bytestream_start < v) {
             av_log(avctx, AV_LOG_ERROR, "Slice pointer chain broken\n");
+            ff_thread_report_progress(&f->picture, INT_MAX, 0);
             return AVERROR_INVALIDDATA;
         }
         buf_p -= v;
@@ -1017,6 +1019,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
     return buf_size;
 }
 
+#if HAVE_THREADS
 static int init_thread_copy(AVCodecContext *avctx)
 {
     FFV1Context *f = avctx->priv_data;
@@ -1042,6 +1045,7 @@ static int init_thread_copy(AVCodecContext *avctx)
 
     return 0;
 }
+#endif
 
 static void copy_fields(FFV1Context *fsdst, FFV1Context *fssrc, FFV1Context *fsrc)
 {
@@ -1071,6 +1075,7 @@ static void copy_fields(FFV1Context *fsdst, FFV1Context *fssrc, FFV1Context *fsr
     }
 }
 
+#if HAVE_THREADS
 static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
 {
     FFV1Context *fsrc = src->priv_data;
@@ -1114,6 +1119,7 @@ static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
 
     return 0;
 }
+#endif
 
 AVCodec ff_ffv1_decoder = {
     .name           = "ffv1",