History

Add pixdesctest filter and corresponding test.

Originally committed as revision 24092 to svn://svn.ffmpeg.org/ffmpeg/trunk

Stefano Sabatini committed 16 years ago

Commit ce2e4ae1 parent 4d508e47 files · +164 −1Browse files

Unified · Split

7 files
  1. Makefile +1 −0
  2. doc/filters.texi +12 −0
  3. libavfilter/Makefile +1 −0
  4. libavfilter/allfilters.c +1 −0
  5. libavfilter/avfilter.h +1 −1
  6. libavfilter/vf_pixdesctest.c +128 −0
  7. tests/lavfi-regression.sh +20 −0
Makefile+1−0
@@ -268,6 +268,7 @@ LAVFI_TESTS = \ · 267 unmodified lines
268 vflip \268 vflip \
269 vflip_crop \269 vflip_crop \
270 vflip_vflip \270 vflip_vflip \
271 lavfi_pixdesc \
271# lavfi_pix_fmts \272# lavfi_pix_fmts \
272 273
273ACODEC_TESTS := $(addprefix regtest-, $(ACODEC_TESTS) $(ACODEC_TESTS-yes))274ACODEC_TESTS := $(addprefix regtest-, $(ACODEC_TESTS) $(ACODEC_TESTS-yes))
doc/filters.texi+12−0
@@ -112,6 +112,18 @@ The default value of @var{color} is ``black''. · 111 unmodified lines
112 112
113@end table113@end table
114 114
115@section pixdesctest
116
117Pixel format descriptor test filter, mainly useful for internal
118testing. The output video should be equal to the input video.
119
120For example:
121@example
122format=monow, pixdesctest
123@end example
124
125can be used to test the monowhite pixel format descriptor definition.
126
115@section scale127@section scale
116 128
117Scale the input video to @var{width}:@var{height} and/or convert the image format.129Scale the input video to @var{width}:@var{height} and/or convert the image format.
libavfilter/Makefile+1−0
@@ -20,6 +20,7 @@ OBJS-$(CONFIG_FORMAT_FILTER) += vf_format.o · 19 unmodified lines
20OBJS-$(CONFIG_NOFORMAT_FILTER) += vf_format.o20OBJS-$(CONFIG_NOFORMAT_FILTER) += vf_format.o
21OBJS-$(CONFIG_NULL_FILTER) += vf_null.o21OBJS-$(CONFIG_NULL_FILTER) += vf_null.o
22OBJS-$(CONFIG_PAD_FILTER) += vf_pad.o22OBJS-$(CONFIG_PAD_FILTER) += vf_pad.o
23OBJS-$(CONFIG_PIXDESCTEST_FILTER) += vf_pixdesctest.o
23OBJS-$(CONFIG_PIXELASPECT_FILTER) += vf_aspect.o24OBJS-$(CONFIG_PIXELASPECT_FILTER) += vf_aspect.o
24OBJS-$(CONFIG_SCALE_FILTER) += vf_scale.o25OBJS-$(CONFIG_SCALE_FILTER) += vf_scale.o
25OBJS-$(CONFIG_SLICIFY_FILTER) += vf_slicify.o26OBJS-$(CONFIG_SLICIFY_FILTER) += vf_slicify.o
libavfilter/allfilters.c+1−0
@@ -40,6 +40,7 @@ void avfilter_register_all(void) · 39 unmodified lines
40 REGISTER_FILTER (NOFORMAT, noformat, vf);40 REGISTER_FILTER (NOFORMAT, noformat, vf);
41 REGISTER_FILTER (NULL, null, vf);41 REGISTER_FILTER (NULL, null, vf);
42 REGISTER_FILTER (PAD, pad, vf);42 REGISTER_FILTER (PAD, pad, vf);
43 REGISTER_FILTER (PIXDESCTEST, pixdesctest, vf);
43 REGISTER_FILTER (PIXELASPECT, pixelaspect, vf);44 REGISTER_FILTER (PIXELASPECT, pixelaspect, vf);
44 REGISTER_FILTER (SCALE, scale, vf);45 REGISTER_FILTER (SCALE, scale, vf);
45 REGISTER_FILTER (SLICIFY, slicify, vf);46 REGISTER_FILTER (SLICIFY, slicify, vf);
libavfilter/avfilter.h+1−1
@@ -25,7 +25,7 @@ · 24 unmodified lines
25#include "libavutil/avutil.h"25#include "libavutil/avutil.h"
26 26
27#define LIBAVFILTER_VERSION_MAJOR 127#define LIBAVFILTER_VERSION_MAJOR 1
28#define LIBAVFILTER_VERSION_MINOR 2128#define LIBAVFILTER_VERSION_MINOR 22
29#define LIBAVFILTER_VERSION_MICRO 029#define LIBAVFILTER_VERSION_MICRO 0
30 30
31#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \31#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
libavfilter/vf_pixdesctest.c+128−0
@@ -0,0 +1,128 @@
1/*
2 * This file is part of FFmpeg.
3 * copyright (C) 2009 Stefano Sabatini
4 *
5 * FFmpeg is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * FFmpeg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with FFmpeg; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20/**
21 * @file
22 * pixdesc test filter
23 */
24
25#include "libavutil/pixdesc.h"
26#include "avfilter.h"
27
28typedef struct {
29 const AVPixFmtDescriptor *pix_desc;
30 uint16_t *line;
31} PixdescTestContext;
32
33static av_cold void uninit(AVFilterContext *ctx)
34{
35 PixdescTestContext *priv = ctx->priv;
36 av_freep(&priv->line);
37}
38
39static int config_props(AVFilterLink *inlink)
40{
41 PixdescTestContext *priv = inlink->dst->priv;
42
43 priv->pix_desc = &av_pix_fmt_descriptors[inlink->format];
44
45 if (!(priv->line = av_malloc(sizeof(*priv->line) * inlink->w)))
46 return AVERROR(ENOMEM);
47
48 return 0;
49}
50
51static void start_frame(AVFilterLink *inlink, AVFilterPicRef *picref)
52{
53 PixdescTestContext *priv = inlink->dst->priv;
54 AVFilterLink *outlink = inlink->dst->outputs[0];
55 AVFilterPicRef *outpicref;
56 int i;
57
58 outlink->outpic = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
59 outlink->w, outlink->h);
60 outpicref = outlink->outpic;
61 avfilter_copy_picref_props(outpicref, picref);
62
63 for (i = 0; i < 4; i++) {
64 int h = outlink->h;
65 h = i == 1 || i == 2 ? h>>priv->pix_desc->log2_chroma_h : h;
66 if (outpicref->data[i]) {
67 uint8_t *data = outpicref->data[i] +
68 (outpicref->linesize[i] > 0 ? 0 : outpicref->linesize[i] * (h-1));
69 memset(data, 0, FFABS(outpicref->linesize[i]) * h);
70 }
71 }
72
73 /* copy palette */
74 if (priv->pix_desc->flags & PIX_FMT_PAL)
75 memcpy(outpicref->data[1], outpicref->data[1], 256*4);
76
77 avfilter_start_frame(outlink, avfilter_ref_pic(outpicref, ~0));
78}
79
80static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
81{
82 PixdescTestContext *priv = inlink->dst->priv;
83 AVFilterPicRef *inpic = inlink->cur_pic;
84 AVFilterPicRef *outpic = inlink->dst->outputs[0]->outpic;
85 int i, c, w = inlink->w;
86
87 for (c = 0; c < priv->pix_desc->nb_components; c++) {
88 int w1 = c == 1 || c == 2 ? w>>priv->pix_desc->log2_chroma_w : w;
89 int h1 = c == 1 || c == 2 ? h>>priv->pix_desc->log2_chroma_h : h;
90 int y1 = c == 1 || c == 2 ? y>>priv->pix_desc->log2_chroma_h : y;
91
92 for (i = y1; i < y1 + h1; i++) {
93 read_line(priv->line,
94 inpic->data,
95 inpic->linesize,
96 priv->pix_desc,
97 0, i, c, w1, 0);
98
99 write_line(priv->line,
100 outpic->data,
101 outpic->linesize,
102 priv->pix_desc,
103 0, i, c, w1);
104 }
105 }
106
107 avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
108}
109
110AVFilter avfilter_vf_pixdesctest = {
111 .name = "pixdesctest",
112 .description = "Test pixel format definitions.",
113
114 .priv_size = sizeof(PixdescTestContext),
115 .uninit = uninit,
116
117 .inputs = (AVFilterPad[]) {{ .name = "default",
118 .type = AVMEDIA_TYPE_VIDEO,
119 .start_frame = start_frame,
120 .draw_slice = draw_slice,
121 .config_props = config_props,
122 .min_perms = AV_PERM_READ, },
123 { .name = NULL}},
124
125 .outputs = (AVFilterPad[]) {{ .name = "default",
126 .type = AVMEDIA_TYPE_VIDEO, },
127 { .name = NULL}},
128};
tests/lavfi-regression.sh+20−0
@@ -86,6 +86,26 @@ if [ -n "$do_lavfi_pix_fmts" ]; then · 85 unmodified lines
86 done86 done
87fi87fi
88 88
89if [ -n "$do_lavfi_pixdesc" ]; then
90 pix_fmts="$($ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^IO' | cut -d' ' -f2)"
91
92 ref_file=tests/ref/lavfi/lavfi_pixdesc
93 rm -f $ref_file
94 res_file=$logfile
95
96 for pix_fmt in $pix_fmts; do
97 # print to the reference logfile
98 logfile=$ref_file
99 do_video_encoding "lavfi_pixdesc-${pix_fmt}.nut" "" \
100 "-vf slicify=random,format=$pix_fmt -vcodec rawvideo -pix_fmt $pix_fmt"
101
102 # print to the result logfile
103 logfile=$res_file
104 do_video_encoding "lavfi_pixdesc-${pix_fmt}.nut" "" \
105 "-vf slicify=random,format=$pix_fmt,pixdesctest -vcodec rawvideo -pix_fmt $pix_fmt"
106 done
107fi
108
89# TODO: add tests for109# TODO: add tests for
90# direct rendering,110# direct rendering,
91# chains with feedback loops111# chains with feedback loops

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