diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2012-07-23 00:57:02 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2012-07-23 01:56:21 +0400 |
commit | 88beb2df982aa4de257f742ff41f777927cc5173 (patch) | |
tree | 15427851afeaa2fee531f53808237948b81b2e44 /libavfilter/vf_scale.c | |
parent | 9023de342f88e961a3741753aff68925eebf884e (diff) | |
parent | df53a4a7c1c496363e3fc165b431940ccd0cb8a0 (diff) |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
FATE: fix the asyncts test
build: Drop gcc-specific warning flag from header compilation rule
FATE: add a test for the asyncts audio filter.
matroskadec: return more correct error code on read error.
buffersrc: check ff_get_audio_buffer() for errors.
lavfi: check all ff_get_video_buffer() calls for errors.
lavfi: check all avfilter_ref_buffer() calls for errors.
vf_select: avoid an unnecessary avfilter_ref_buffer().
buffersrc: avoid creating unnecessary buffer reference
lavfi: use avfilter_unref_bufferp() where appropriate.
vf_fps: add more error checks.
vf_fps: fix a memleak on malloc failure.
lavfi: check all ff_start_frame/draw_slice/end_frame calls for errors
lavfi: add error handling to end_frame().
lavfi: add error handling to draw_slice().
lavfi: add error handling to start_frame().
Conflicts:
Makefile
ffplay.c
libavfilter/buffersrc.c
libavfilter/vf_boxblur.c
libavfilter/vf_drawtext.c
libavfilter/vf_fade.c
libavfilter/vf_frei0r.c
libavfilter/vf_hflip.c
libavfilter/vf_overlay.c
libavfilter/vf_pad.c
libavfilter/vf_scale.c
libavfilter/video.c
libavfilter/vsrc_color.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_scale.c')
-rw-r--r-- | libavfilter/vf_scale.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 9b9ddaf8b2..143ff70951 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -272,11 +272,12 @@ fail: return ret; } -static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref) +static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref) { ScaleContext *scale = link->dst->priv; AVFilterLink *outlink = link->dst->outputs[0]; - AVFilterBufferRef *outpicref; + AVFilterBufferRef *outpicref, *for_next_filter; + int ret = 0; if( picref->video->w != link->w || picref->video->h != link->h @@ -295,19 +296,23 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref) if (!scale->sws) { - ff_start_frame(outlink, avfilter_ref_buffer(picref, ~0)); - return; + outpicref = avfilter_ref_buffer(picref, ~0); + if (!outpicref) + return AVERROR(ENOMEM); + return ff_start_frame(outlink, outpicref); } scale->hsub = av_pix_fmt_descriptors[link->format].log2_chroma_w; scale->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h; outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE|AV_PERM_ALIGN, outlink->w, outlink->h); + if (!outpicref) + return AVERROR(ENOMEM); + avfilter_copy_buffer_ref_props(outpicref, picref); outpicref->video->w = outlink->w; outpicref->video->h = outlink->h; - outlink->out_buf = outpicref; if(scale->output_is_pal) ff_set_systematic_pal2(outpicref->data[1], outlink->format == PIX_FMT_PAL8 ? PIX_FMT_BGR8 : outlink->format); @@ -317,7 +322,19 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref) INT_MAX); scale->slice_y = 0; - ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0)); + for_next_filter = avfilter_ref_buffer(outpicref, ~0); + if (for_next_filter) + ret = ff_start_frame(outlink, for_next_filter); + else + ret = AVERROR(ENOMEM); + + if (ret < 0) { + avfilter_unref_bufferp(&outpicref); + return ret; + } + + outlink->out_buf = outpicref; + return 0; } static int scale_slice(AVFilterLink *link, struct SwsContext *sws, int y, int h, int mul, int field) @@ -346,14 +363,13 @@ static int scale_slice(AVFilterLink *link, struct SwsContext *sws, int y, int h, out,out_stride); } -static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir) +static int draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { ScaleContext *scale = link->dst->priv; - int out_h; + int out_h, ret; if (!scale->sws) { - ff_draw_slice(link->dst->outputs[0], y, h, slice_dir); - return; + return ff_draw_slice(link->dst->outputs[0], y, h, slice_dir); } if (scale->slice_y == 0 && slice_dir == -1) @@ -369,9 +385,10 @@ static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir) if (slice_dir == -1) scale->slice_y -= out_h; - ff_draw_slice(link->dst->outputs[0], scale->slice_y, out_h, slice_dir); + ret = ff_draw_slice(link->dst->outputs[0], scale->slice_y, out_h, slice_dir); if (slice_dir == 1) scale->slice_y += out_h; + return ret; } AVFilter avfilter_vf_scale = { |