lavc: Enable a53cc by default for x264 and qsv_h264.

[ffmpeg] / libavformat / swfdec.c

diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c
index fa2435e0a0c5e94291800ec89bec71927fd2d631..3268c0aa372c31cd8d5e80d637378506e96a69df 100644 (file)
--- a/libavformat/swfdec.c
+++ b/libavformat/swfdec.c
@@ -119,10 +119,10 @@ retry:
     z->avail_out = buf_size;
 
     ret = inflate(z, Z_NO_FLUSH);
-    if (ret < 0)
-        return AVERROR(EINVAL);
     if (ret == Z_STREAM_END)
         return AVERROR_EOF;
+    if (ret != Z_OK)
+        return AVERROR(EINVAL);
 
     if (buf_size - z->avail_out == 0)
         goto retry;
@@ -395,6 +395,12 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt)
             pkt->pos = pos;
             pkt->stream_index = st->index;
 
+            if (linesize * height > pkt->size) {
+                res = AVERROR_INVALIDDATA;
+                av_packet_unref(pkt);
+                goto bitmap_end;
+            }
+
             switch (bmp_fmt) {
             case 3:
                 pix_fmt = AV_PIX_FMT_PAL8;
@@ -422,10 +428,6 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt)
             } else
                 st->codecpar->format = pix_fmt;
 
-            if (linesize * height > pkt->size) {
-                res = AVERROR_INVALIDDATA;
-                goto bitmap_end;
-            }
             memcpy(pkt->data, buf + colormapsize*colormapbpp, linesize * height);
 
             res = pkt->size;