avfilter/vf_identity: fix typo

[ffmpeg] / libavcodec / cscd.c

diff --git a/libavcodec/cscd.c b/libavcodec/cscd.c
index d50ddd6258ce515da401f7627651bb331da49392..af12246281e1ffab2e17fee6d2c5bc107a5edce6 100644 (file)
--- a/libavcodec/cscd.c
+++ b/libavcodec/cscd.c
@@ -93,7 +93,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     case 1: { // zlib compression
 #if CONFIG_ZLIB
         unsigned long dlen = c->decomp_size;
-        if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK) {
+        if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK || dlen != c->decomp_size) {
             av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n");
             return AVERROR_INVALIDDATA;
         }
@@ -166,7 +166,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec ff_cscd_decoder = {
+const AVCodec ff_cscd_decoder = {
     .name           = "camstudio",
     .long_name      = NULL_IF_CONFIG_SMALL("CamStudio"),
     .type           = AVMEDIA_TYPE_VIDEO,