handle 0-length buffers

Originally committed as revision 2731 to svn://svn.ffmpeg.org/ffmpeg/trunk

handle 0-length buffers
Originally committed as revision 2731 to svn://svn.ffmpeg.org/ffmpeg/trunk
c89c1d25 · Mike Melanson · 2c8b796f · c89c1d25
隐藏空白更改
内联并排

Showing with 3 addition and 0 deletion

libavcodec/dpcm.c libavcodec/dpcm.c +3 -0

未找到文件。
--- a/libavcodec/dpcm.c
+++ b/libavcodec/dpcm.c
@@ -125,6 +125,9 @@ static int dpcm_decode_frame(AVCodecContext *avctx,
    unsigned char byte;
    short diff;

+    if (!buf_size)
+        return 0;
+
    switch(avctx->codec->id) {

    case CODEC_ID_ROQ_DPCM: