ffmpeg: avoid NULL dereference with filters.

icodec can be NULL if there is no input stream clearly associated with the output stream.
13 years ago · 48b5bcb3dd
parent eb7efc126a
commit 48b5bcb3dd
1 changed files with 2 additions and 1 deletions
--- a/ffmpeg.c
+++ b/ffmpeg.c
@ -3103,7 +3103,8 @@ static int transcode_init(void)
                    ost->filter->filter->inputs[0]->sample_aspect_ratio;
                codec->pix_fmt = ost->filter->filter->inputs[0]->format;

-                if (codec->width   != icodec->width  ||
+                if (!icodec ||
+                    codec->width   != icodec->width  ||
                    codec->height  != icodec->height ||
                    codec->pix_fmt != icodec->pix_fmt) {
                    codec->bits_per_raw_sample = frame_bits_per_raw_sample;