avfilter: add allyuv source filter

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-07-23 07:07:26 +00:00
parent ff6c92447d
commit 49a14a7616
6 changed files with 90 additions and 3 deletions

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@ -27,6 +27,7 @@ version <next>:
- sidechaincompress audio filter
- bitstream filter for converting HEVC from MP4 to Annex B
- acrossfade audio filter
- allyuv video source
version 2.7:

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@ -11469,6 +11469,7 @@ ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_c
@end example
@end itemize
@anchor{allyuv}
@anchor{color}
@anchor{haldclutsrc}
@anchor{nullsrc}
@ -11476,7 +11477,9 @@ ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_c
@anchor{smptebars}
@anchor{smptehdbars}
@anchor{testsrc}
@section color, haldclutsrc, nullsrc, rgbtestsrc, smptebars, smptehdbars, testsrc
@section allyuv, color, haldclutsrc, nullsrc, rgbtestsrc, smptebars, smptehdbars, testsrc
The @code{allyuv} source returns frames of size 4096x4096 of all yuv colors.
The @code{color} source provides an uniformly colored input.

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@ -234,6 +234,7 @@ OBJS-$(CONFIG_YADIF_FILTER) += vf_yadif.o
OBJS-$(CONFIG_ZMQ_FILTER) += f_zmq.o
OBJS-$(CONFIG_ZOOMPAN_FILTER) += vf_zoompan.o
OBJS-$(CONFIG_ALLYUV_FILTER) += vsrc_testsrc.o
OBJS-$(CONFIG_CELLAUTO_FILTER) += vsrc_cellauto.o
OBJS-$(CONFIG_COLOR_FILTER) += vsrc_testsrc.o
OBJS-$(CONFIG_FREI0R_SRC_FILTER) += vf_frei0r.o

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@ -249,6 +249,7 @@ void avfilter_register_all(void)
REGISTER_FILTER(ZMQ, zmq, vf);
REGISTER_FILTER(ZOOMPAN, zoompan, vf);
REGISTER_FILTER(ALLYUV, allyuv, vsrc);
REGISTER_FILTER(CELLAUTO, cellauto, vsrc);
REGISTER_FILTER(COLOR, color, vsrc);
REGISTER_FILTER(FREI0R, frei0r_src, vsrc);

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@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFILTER_VERSION_MAJOR 5
#define LIBAVFILTER_VERSION_MINOR 30
#define LIBAVFILTER_VERSION_MINOR 31
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \

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@ -30,7 +30,7 @@
* rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
* Michael Niedermayer.
*
* smptebars and smptehdbars are by Paul B Mahol.
* allyuv, smptebars and smptehdbars are by Paul B Mahol.
*/
#include <float.h>
@ -1080,3 +1080,84 @@ AVFilter ff_vsrc_smptehdbars = {
#endif /* CONFIG_SMPTEHDBARS_FILTER */
#endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
#if CONFIG_ALLYUV_FILTER
static const AVOption allyuv_options[] = {
COMMON_OPTIONS_NOSIZE
{ NULL }
};
AVFILTER_DEFINE_CLASS(allyuv);
static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
const int ys = frame->linesize[0];
const int us = frame->linesize[1];
const int vs = frame->linesize[2];
int x, y, j;
for (y = 0; y < 4096; y++) {
for (x = 0; x < 2048; x++) {
frame->data[0][y * ys + x] = ((x / 8) % 256);
frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
}
for (x = 0; x < 2048; x+=8) {
for (j = 0; j < 8; j++) {
frame->data[1][vs * y + x + j] = (y%16 + (j % 8) * 16);
frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
}
}
for (x = 0; x < 4096; x++)
frame->data[2][y * us + x] = 256 * y / 4096;
}
}
static av_cold int allyuv_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->w = test->h = 4096;
test->draw_once = 1;
test->fill_picture_fn = allyuv_fill_picture;
return init(ctx);
}
static int allyuv_query_formats(AVFilterContext *ctx)
{
static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP,
AV_PIX_FMT_NONE
};
AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
if (!fmts_list)
return AVERROR(ENOMEM);
return ff_set_common_formats(ctx, fmts_list);
}
static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.request_frame = request_frame,
.config_props = config_props,
},
{ NULL }
};
AVFilter ff_vsrc_allyuv = {
.name = "allyuv",
.description = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &allyuv_class,
.init = allyuv_init,
.uninit = uninit,
.query_formats = allyuv_query_formats,
.inputs = NULL,
.outputs = avfilter_vsrc_allyuv_outputs,
};
#endif /* CONFIG_ALLYUV_FILTER */