RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avfilter/fade: don't allow nb_frames == 0 

In filter init, there's a division by nb_frames but value isn't checked.
This commit is contained in:
Gyan Doshi 2019-07-29 10:53:12 +05:30
parent 20fed2f0ab
commit 43891ea8ab
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavfilter/vf_fade.c
View File

@ -381,9 +381,9 @@ static const AVOption fade_options[] = {
{ "s", "Number of the first frame to which to apply the effect.", { "s", "Number of the first frame to which to apply the effect.",
OFFSET(start_frame), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS }, OFFSET(start_frame), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
{ "nb_frames", "Number of frames to which the effect should be applied.", { "nb_frames", "Number of frames to which the effect should be applied.",
OFFSET(nb_frames), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, FLAGS }, OFFSET(nb_frames), AV_OPT_TYPE_INT, { .i64 = 25 }, 1, INT_MAX, FLAGS },
{ "n", "Number of frames to which the effect should be applied.", { "n", "Number of frames to which the effect should be applied.",
OFFSET(nb_frames), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, FLAGS }, OFFSET(nb_frames), AV_OPT_TYPE_INT, { .i64 = 25 }, 1, INT_MAX, FLAGS },
{ "alpha", "fade alpha if it is available on the input", OFFSET(alpha), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FLAGS }, { "alpha", "fade alpha if it is available on the input", OFFSET(alpha), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FLAGS },
{ "start_time", "Number of seconds of the beginning of the effect.", { "start_time", "Number of seconds of the beginning of the effect.",
OFFSET(start_time), AV_OPT_TYPE_DURATION, {.i64 = 0. }, 0, INT64_MAX, FLAGS }, OFFSET(start_time), AV_OPT_TYPE_DURATION, {.i64 = 0. }, 0, INT64_MAX, FLAGS },