diff options
Diffstat (limited to 'libavfilter/vf_vflip.c')
| -rw-r--r-- | libavfilter/vf_vflip.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/libavfilter/vf_vflip.c b/libavfilter/vf_vflip.c index d7792670a6..3c06abaac9 100644 --- a/libavfilter/vf_vflip.c +++ b/libavfilter/vf_vflip.c @@ -52,6 +52,9 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms, return ff_default_get_video_buffer(link, perms, w, h); picref = ff_get_video_buffer(link->dst->outputs[0], perms, w, h); + if (!picref) + return NULL; + for (i = 0; i < 4; i ++) { int vsub = i == 1 || i == 2 ? flip->vsub : 0; @@ -64,12 +67,15 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms, return picref; } -static void start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref) +static int start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref) { FlipContext *flip = link->dst->priv; AVFilterBufferRef *outpicref = avfilter_ref_buffer(inpicref, ~0); int i; + if (!outpicref) + return AVERROR(ENOMEM); + for (i = 0; i < 4; i ++) { int vsub = i == 1 || i == 2 ? flip->vsub : 0; @@ -79,14 +85,14 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref) } } - ff_start_frame(link->dst->outputs[0], outpicref); + return ff_start_frame(link->dst->outputs[0], outpicref); } -static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir) +static int draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { AVFilterContext *ctx = link->dst; - ff_draw_slice(ctx->outputs[0], link->h - (y+h), h, -1 * slice_dir); + return ff_draw_slice(ctx->outputs[0], link->h - (y+h), h, -1 * slice_dir); } AVFilter avfilter_vf_vflip = { |