diff options
Diffstat (limited to 'libavfilter/vf_drawtext.c')
| -rw-r--r-- | libavfilter/vf_drawtext.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c index 43e2b463f9..ac619428ef 100644 --- a/libavfilter/vf_drawtext.c +++ b/libavfilter/vf_drawtext.c @@ -780,14 +780,18 @@ static int draw_text(AVFilterContext *ctx, AVFilterBufferRef *picref, return 0; } -static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { } +static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) +{ + return 0; +} -static void end_frame(AVFilterLink *inlink) +static int end_frame(AVFilterLink *inlink) { AVFilterContext *ctx = inlink->dst; AVFilterLink *outlink = ctx->outputs[0]; DrawTextContext *dtext = ctx->priv; AVFilterBufferRef *picref = inlink->cur_buf; + int ret; dtext->var_values[VAR_T] = picref->pts == AV_NOPTS_VALUE ? NAN : picref->pts * av_q2d(inlink->time_base); @@ -801,8 +805,10 @@ static void end_frame(AVFilterLink *inlink) dtext->var_values[VAR_N] += 1.0; - ff_draw_slice(outlink, 0, picref->video->h, 1); - ff_end_frame(outlink); + if ((ret = ff_draw_slice(outlink, 0, picref->video->h, 1)) < 0 || + (ret = ff_end_frame(outlink)) < 0) + return ret; + return 0; } AVFilter avfilter_vf_drawtext = { |