diff options
author | Anton Khirnov <anton@khirnov.net> | 2012-11-29 01:39:35 +0400 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2012-11-29 01:39:35 +0400 |
commit | bff576c779476c5325edb2e90828051138416759 (patch) | |
tree | 1375abf5f9c89e22da1e5f2efb1400cf6be6452f /libavfilter/vf_lut.c | |
parent | eb7e7e82e17b0353fbcfdee616cfe89e525eae53 (diff) |
vf_lut: switch to filter_frame
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_lut.c')
-rw-r--r-- | libavfilter/vf_lut.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/libavfilter/vf_lut.c b/libavfilter/vf_lut.c index 2324608b7e..543785ad0f 100644 --- a/libavfilter/vf_lut.c +++ b/libavfilter/vf_lut.c @@ -259,22 +259,28 @@ static int config_props(AVFilterLink *inlink) return 0; } -static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) +static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in) { AVFilterContext *ctx = inlink->dst; LutContext *lut = ctx->priv; AVFilterLink *outlink = ctx->outputs[0]; - AVFilterBufferRef *inpic = inlink ->cur_buf; - AVFilterBufferRef *outpic = outlink->out_buf; + AVFilterBufferRef *out; uint8_t *inrow, *outrow, *inrow0, *outrow0; int i, j, plane; + out = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h); + if (!out) { + avfilter_unref_bufferp(&in); + return AVERROR(ENOMEM); + } + avfilter_copy_buffer_ref_props(out, in); + if (lut->is_rgb) { /* packed */ - inrow0 = inpic ->data[0] + y * inpic ->linesize[0]; - outrow0 = outpic->data[0] + y * outpic->linesize[0]; + inrow0 = in ->data[0]; + outrow0 = out->data[0]; - for (i = 0; i < h; i ++) { + for (i = 0; i < in->video->h; i ++) { int w = inlink->w; const uint8_t (*tab)[256] = (const uint8_t (*)[256])lut->lut; inrow = inrow0; @@ -293,36 +299,37 @@ static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) outrow += lut->step; inrow += lut->step; } - inrow0 += inpic ->linesize[0]; - outrow0 += outpic->linesize[0]; + inrow0 += in ->linesize[0]; + outrow0 += out->linesize[0]; } } else { /* planar */ - for (plane = 0; plane < 4 && inpic->data[plane]; plane++) { + for (plane = 0; plane < 4 && in->data[plane]; plane++) { int vsub = plane == 1 || plane == 2 ? lut->vsub : 0; int hsub = plane == 1 || plane == 2 ? lut->hsub : 0; - inrow = inpic ->data[plane] + (y>>vsub) * inpic ->linesize[plane]; - outrow = outpic->data[plane] + (y>>vsub) * outpic->linesize[plane]; + inrow = in ->data[plane]; + outrow = out->data[plane]; - for (i = 0; i < (h + (1<<vsub) - 1)>>vsub; i ++) { + for (i = 0; i < (in->video->h + (1<<vsub) - 1)>>vsub; i ++) { const uint8_t *tab = lut->lut[plane]; int w = (inlink->w + (1<<hsub) - 1)>>hsub; for (j = 0; j < w; j++) outrow[j] = tab[inrow[j]]; - inrow += inpic ->linesize[plane]; - outrow += outpic->linesize[plane]; + inrow += in ->linesize[plane]; + outrow += out->linesize[plane]; } } } - return ff_draw_slice(outlink, y, h, slice_dir); + avfilter_unref_bufferp(&in); + return ff_filter_frame(outlink, out); } static const AVFilterPad inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, - .draw_slice = draw_slice, + .filter_frame = filter_frame, .config_props = config_props, .min_perms = AV_PERM_READ, }, { .name = NULL} |