diff options
Diffstat (limited to 'libavfilter/vf_alphamerge.c')
| -rw-r--r-- | libavfilter/vf_alphamerge.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavfilter/vf_alphamerge.c b/libavfilter/vf_alphamerge.c index 67422a1df1..278f9a3e03 100644 --- a/libavfilter/vf_alphamerge.c +++ b/libavfilter/vf_alphamerge.c @@ -95,8 +95,8 @@ static int config_output(AVFilterLink *outlink) return 0; } -static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref) {} -static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) {} +static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref) {return 0;} +static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) {return 0;} static void draw_frame(AVFilterContext *ctx, AVFilterBufferRef *main_buf, @@ -130,7 +130,7 @@ static void draw_frame(AVFilterContext *ctx, ff_draw_slice(ctx->outputs[0], 0, h, 1); } -static void end_frame(AVFilterLink *inlink) +static int end_frame(AVFilterLink *inlink) { AVFilterContext *ctx = inlink->dst; AlphaMergeContext *merge = ctx->priv; @@ -157,6 +157,7 @@ static void end_frame(AVFilterLink *inlink) ff_end_frame(ctx->outputs[0]); avfilter_unref_buffer(alpha_buf); } + return 0; } static int request_frame(AVFilterLink *outlink) |