diff options
author | Anton Khirnov <anton@khirnov.net> | 2012-07-08 19:29:42 +0400 |
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committer | Anton Khirnov <anton@khirnov.net> | 2012-07-22 11:14:04 +0400 |
commit | ebc8d974817fe456a0afe6867fdeb22c761fb04f (patch) | |
tree | d08864445a712ca289ef8a1b2a4fa4d7ff2e81e0 /libavfilter/vf_pad.c | |
parent | 1470ce21cec5ee26e106e2a884c26bbf84e5aaea (diff) |
lavfi: add error handling to start_frame().
Diffstat (limited to 'libavfilter/vf_pad.c')
-rw-r--r-- | libavfilter/vf_pad.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c index 9a7f1e0aed..298aae4131 100644 --- a/libavfilter/vf_pad.c +++ b/libavfilter/vf_pad.c @@ -299,12 +299,15 @@ static int does_clip(PadContext *pad, AVFilterBufferRef *outpicref, int plane, i return 0; } -static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref) +static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref) { PadContext *pad = inlink->dst->priv; AVFilterBufferRef *outpicref = avfilter_ref_buffer(inpicref, ~0); AVFilterBufferRef *for_next_filter; - int plane; + int plane, ret = 0; + + if (!outpicref) + return AVERROR(ENOMEM); for (plane = 0; plane < 4 && outpicref->data[plane]; plane++) { int hsub = (plane == 1 || plane == 2) ? pad->hsub : 0; @@ -332,16 +335,31 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref) outpicref = ff_get_video_buffer(inlink->dst->outputs[0], AV_PERM_WRITE | AV_PERM_NEG_LINESIZES, FFMAX(inlink->w, pad->w), FFMAX(inlink->h, pad->h)); + if (!outpicref) + return AVERROR(ENOMEM); + avfilter_copy_buffer_ref_props(outpicref, inpicref); } - inlink->dst->outputs[0]->out_buf = outpicref; - outpicref->video->w = pad->w; outpicref->video->h = pad->h; for_next_filter = avfilter_ref_buffer(outpicref, ~0); - ff_start_frame(inlink->dst->outputs[0], for_next_filter); + if (!for_next_filter) { + ret = AVERROR(ENOMEM); + goto fail; + } + + ret = ff_start_frame(inlink->dst->outputs[0], for_next_filter); + if (ret < 0) + goto fail; + + inlink->dst->outputs[0]->out_buf = outpicref; + return 0; + +fail: + avfilter_unref_bufferp(&outpicref); + return ret; } static void end_frame(AVFilterLink *link) |