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https://github.com/xenia-project/FFmpeg.git
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avfilter: add allyuv source filter
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
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@ -27,6 +27,7 @@ version <next>:
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- sidechaincompress audio filter
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- bitstream filter for converting HEVC from MP4 to Annex B
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- acrossfade audio filter
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- allyuv video source
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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
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@end example
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@end itemize
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@anchor{allyuv}
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@anchor{color}
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@anchor{haldclutsrc}
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@anchor{nullsrc}
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@ -11476,7 +11477,9 @@ ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_c
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@anchor{smptebars}
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@anchor{smptehdbars}
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@anchor{testsrc}
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@section color, haldclutsrc, nullsrc, rgbtestsrc, smptebars, smptehdbars, testsrc
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@section allyuv, color, haldclutsrc, nullsrc, rgbtestsrc, smptebars, smptehdbars, testsrc
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The @code{allyuv} source returns frames of size 4096x4096 of all yuv colors.
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The @code{color} source provides an uniformly colored input.
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@ -234,6 +234,7 @@ OBJS-$(CONFIG_YADIF_FILTER) += vf_yadif.o
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OBJS-$(CONFIG_ZMQ_FILTER) += f_zmq.o
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OBJS-$(CONFIG_ZOOMPAN_FILTER) += vf_zoompan.o
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OBJS-$(CONFIG_ALLYUV_FILTER) += vsrc_testsrc.o
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OBJS-$(CONFIG_CELLAUTO_FILTER) += vsrc_cellauto.o
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OBJS-$(CONFIG_COLOR_FILTER) += vsrc_testsrc.o
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OBJS-$(CONFIG_FREI0R_SRC_FILTER) += vf_frei0r.o
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@ -249,6 +249,7 @@ void avfilter_register_all(void)
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REGISTER_FILTER(ZMQ, zmq, vf);
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REGISTER_FILTER(ZOOMPAN, zoompan, vf);
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REGISTER_FILTER(ALLYUV, allyuv, vsrc);
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REGISTER_FILTER(CELLAUTO, cellauto, vsrc);
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REGISTER_FILTER(COLOR, color, vsrc);
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REGISTER_FILTER(FREI0R, frei0r_src, vsrc);
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@ -30,7 +30,7 @@
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#include "libavutil/version.h"
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#define LIBAVFILTER_VERSION_MAJOR 5
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#define LIBAVFILTER_VERSION_MINOR 30
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#define LIBAVFILTER_VERSION_MINOR 31
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#define LIBAVFILTER_VERSION_MICRO 100
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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@ -30,7 +30,7 @@
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* rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
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* Michael Niedermayer.
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*
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* smptebars and smptehdbars are by Paul B Mahol.
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* allyuv, smptebars and smptehdbars are by Paul B Mahol.
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*/
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#include <float.h>
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@ -1080,3 +1080,84 @@ AVFilter ff_vsrc_smptehdbars = {
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#endif /* CONFIG_SMPTEHDBARS_FILTER */
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#endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
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#if CONFIG_ALLYUV_FILTER
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static const AVOption allyuv_options[] = {
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COMMON_OPTIONS_NOSIZE
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{ NULL }
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};
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AVFILTER_DEFINE_CLASS(allyuv);
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static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
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{
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const int ys = frame->linesize[0];
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const int us = frame->linesize[1];
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const int vs = frame->linesize[2];
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int x, y, j;
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for (y = 0; y < 4096; y++) {
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for (x = 0; x < 2048; x++) {
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frame->data[0][y * ys + x] = ((x / 8) % 256);
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frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
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}
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for (x = 0; x < 2048; x+=8) {
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for (j = 0; j < 8; j++) {
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frame->data[1][vs * y + x + j] = (y%16 + (j % 8) * 16);
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frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
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}
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}
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for (x = 0; x < 4096; x++)
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frame->data[2][y * us + x] = 256 * y / 4096;
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}
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}
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static av_cold int allyuv_init(AVFilterContext *ctx)
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{
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TestSourceContext *test = ctx->priv;
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test->w = test->h = 4096;
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test->draw_once = 1;
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test->fill_picture_fn = allyuv_fill_picture;
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return init(ctx);
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}
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static int allyuv_query_formats(AVFilterContext *ctx)
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{
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static const enum AVPixelFormat pix_fmts[] = {
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AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP,
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AV_PIX_FMT_NONE
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};
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AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
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if (!fmts_list)
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return AVERROR(ENOMEM);
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return ff_set_common_formats(ctx, fmts_list);
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}
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static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.request_frame = request_frame,
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.config_props = config_props,
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},
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{ NULL }
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};
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AVFilter ff_vsrc_allyuv = {
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.name = "allyuv",
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.description = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
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.priv_size = sizeof(TestSourceContext),
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.priv_class = &allyuv_class,
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.init = allyuv_init,
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.uninit = uninit,
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.query_formats = allyuv_query_formats,
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.inputs = NULL,
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.outputs = avfilter_vsrc_allyuv_outputs,
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};
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#endif /* CONFIG_ALLYUV_FILTER */
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