diff options
| -rw-r--r-- | libavfilter/vf_drawtext.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c index 22a9480aba..fd2ec8deae 100644 --- a/libavfilter/vf_drawtext.c +++ b/libavfilter/vf_drawtext.c @@ -812,6 +812,7 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref) { AVFilterContext *ctx = inlink->dst; DrawTextContext *dtext = ctx->priv; + AVFilterBufferRef *buf_out; int fail = 0; if (dtext_prepare_text(ctx) < 0) { @@ -850,7 +851,8 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref) (int)dtext->var_values[VAR_N], dtext->var_values[VAR_T], dtext->x, dtext->y, dtext->x+dtext->w, dtext->y+dtext->h); - ff_start_frame(inlink->dst->outputs[0], inpicref); + buf_out = avfilter_ref_buffer(inpicref, ~0); + ff_start_frame(inlink->dst->outputs[0], buf_out); } static void end_frame(AVFilterLink *inlink) @@ -866,6 +868,7 @@ static void end_frame(AVFilterLink *inlink) ff_draw_slice(outlink, 0, picref->video->h, 1); ff_end_frame(outlink); + avfilter_unref_buffer(inlink->cur_buf); } AVFilter avfilter_vf_drawtext = { |