generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

vf_drawtext: don't give up its own reference to the input buffer.

Browse Source 
Directly forwarding the input buffer to the next filter means that
drawtext no longer owns any references to it and thus shouldn't refer to
it in any way.
This commit is contained in:
Anton Khirnov 2012-07-08 04:20:22 +02:00
parent d19499c796
commit 7155763b78
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavfilter/vf_drawtext.c
View File

@ -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 = {