/**
* @file
- * Based on the test pattern generator demuxer by Nicolas George:
+ * Misc test sources.
+ *
+ * testsrc is based on the test pattern generator demuxer by Nicolas George:
* http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-October/037845.html
+ *
+ * rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
+ * Michael Niedermayer.
*/
#include <float.h>
#include "libavutil/opt.h"
+#include "libavutil/intreadwrite.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
char *size; ///< video frame size
char *rate; ///< video frame rate
char *duration; ///< total duration of the generated video
+ void (* fill_picture_fn)(AVFilterContext *ctx, AVFilterBufferRef *picref);
+
+ /* only used by rgbtest */
+ int rgba_map[4];
} TestSourceContext;
#define OFFSET(x) offsetof(TestSourceContext, x)
{ NULL },
};
-static const char *testsrc_get_name(void *ctx)
-{
- return "testsrc";
-}
-
-static const AVClass testsrc_class = {
- "TestSourceContext",
- testsrc_get_name,
- testsrc_options
-};
-
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
TestSourceContext *test = ctx->priv;
int64_t duration = -1;
int ret = 0;
- test->class = &testsrc_class;
av_opt_set_defaults2(test, 0, 0);
if ((ret = (av_set_options_string(test, args, "=", ":"))) < 0) {
return 0;
}
+static int request_frame(AVFilterLink *outlink)
+{
+ TestSourceContext *test = outlink->src->priv;
+ AVFilterBufferRef *picref;
+
+ if (test->max_pts >= 0 && test->pts > test->max_pts)
+ return AVERROR_EOF;
+ picref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
+ test->w, test->h);
+ picref->pts = test->pts++;
+ test->nb_frame++;
+ test->fill_picture_fn(outlink->src, picref);
+
+ avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
+ avfilter_draw_slice(outlink, 0, picref->video->h, 1);
+ avfilter_end_frame(outlink);
+ avfilter_unref_buffer(picref);
+
+ return 0;
+}
+
+#if CONFIG_TESTSRC_FILTER
+
+static const char *testsrc_get_name(void *ctx)
+{
+ return "testsrc";
+}
+
+static const AVClass testsrc_class = {
+ "TestSourceContext",
+ testsrc_get_name,
+ testsrc_options
+};
+
/**
* Fill a rectangle with value val.
*
#define GRADIENT_SIZE (6 * 256)
-static void fill_picture(TestSourceContext *test, AVFilterBufferRef *picref)
+static void test_fill_picture(AVFilterContext *ctx, AVFilterBufferRef *picref)
{
+ TestSourceContext *test = ctx->priv;
uint8_t *p, *p0;
int x, y;
int color, color_rest;
}
}
-static int request_frame(AVFilterLink *outlink)
+static av_cold int test_init(AVFilterContext *ctx, const char *args, void *opaque)
{
- TestSourceContext *test = outlink->src->priv;
- AVFilterBufferRef *picref;
-
- if (test->max_pts >= 0 && test->pts > test->max_pts)
- return AVERROR_EOF;
- picref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
- test->w, test->h);
- picref->pts = test->pts++;
- test->nb_frame++;
- fill_picture(test, picref);
-
- avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
- avfilter_draw_slice(outlink, 0, picref->video->h, 1);
- avfilter_end_frame(outlink);
- avfilter_unref_buffer(picref);
+ TestSourceContext *test = ctx->priv;
- return 0;
+ test->class = &testsrc_class;
+ test->fill_picture_fn = test_fill_picture;
+ return init(ctx, args, opaque);
}
-static int query_formats(AVFilterContext *ctx)
+static int test_query_formats(AVFilterContext *ctx)
{
static const enum PixelFormat pix_fmts[] = {
PIX_FMT_RGB24, PIX_FMT_NONE
.name = "testsrc",
.description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
.priv_size = sizeof(TestSourceContext),
- .init = init,
+ .init = test_init,
- .query_formats = query_formats,
+ .query_formats = test_query_formats,
.inputs = (AVFilterPad[]) {{ .name = NULL}},
.config_props = config_props, },
{ .name = NULL }},
};
+
+#endif /* CONFIG_TESTSRC_FILTER */
+
+#if CONFIG_RGBTESTSRC_FILTER
+
+static const char *rgbtestsrc_get_name(void *ctx)
+{
+ return "rgbtestsrc";
+}
+
+static const AVClass rgbtestsrc_class = {
+ "RGBTestSourceContext",
+ rgbtestsrc_get_name,
+ testsrc_options
+};
+
+#define R 0
+#define G 1
+#define B 2
+#define A 3
+
+static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
+ int x, int y, int r, int g, int b, enum PixelFormat fmt,
+ int rgba_map[4])
+{
+ int32_t v;
+ uint8_t *p;
+
+ switch (fmt) {
+ case PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
+ case PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
+ case PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
+ case PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
+ case PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
+ case PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
+ case PIX_FMT_RGB24:
+ case PIX_FMT_BGR24:
+ v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
+ p = dst + 3*x + y*dst_linesize;
+ AV_WL24(p, v);
+ break;
+ case PIX_FMT_RGBA:
+ case PIX_FMT_BGRA:
+ case PIX_FMT_ARGB:
+ case PIX_FMT_ABGR:
+ v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
+ p = dst + 4*x + y*dst_linesize;
+ AV_WL32(p, v);
+ break;
+ }
+}
+
+static void rgbtest_fill_picture(AVFilterContext *ctx, AVFilterBufferRef *picref)
+{
+ TestSourceContext *test = ctx->priv;
+ int x, y, w = picref->video->w, h = picref->video->h;
+
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < picref->video->w; x++) {
+ int c = 256*x/w;
+ int r = 0, g = 0, b = 0;
+
+ if (3*y < h ) r = c;
+ else if (3*y < 2*h) g = c;
+ else b = c;
+
+ rgbtest_put_pixel(picref->data[0], picref->linesize[0], x, y, r, g, b,
+ ctx->outputs[0]->format, test->rgba_map);
+ }
+ }
+}
+
+static av_cold int rgbtest_init(AVFilterContext *ctx, const char *args, void *opaque)
+{
+ TestSourceContext *test = ctx->priv;
+
+ test->class = &rgbtestsrc_class;
+ test->fill_picture_fn = rgbtest_fill_picture;
+ return init(ctx, args, opaque);
+}
+
+static int rgbtest_query_formats(AVFilterContext *ctx)
+{
+ static const enum PixelFormat pix_fmts[] = {
+ PIX_FMT_RGBA, PIX_FMT_ARGB, PIX_FMT_BGRA, PIX_FMT_ABGR,
+ PIX_FMT_BGR24, PIX_FMT_RGB24,
+ PIX_FMT_RGB444, PIX_FMT_BGR444,
+ PIX_FMT_RGB565, PIX_FMT_BGR565,
+ PIX_FMT_RGB555, PIX_FMT_BGR555,
+ PIX_FMT_NONE
+ };
+ avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
+ return 0;
+}
+
+static int rgbtest_config_props(AVFilterLink *outlink)
+{
+ TestSourceContext *test = outlink->src->priv;
+
+ switch (outlink->format) {
+ case PIX_FMT_ARGB: test->rgba_map[A] = 0; test->rgba_map[R] = 1; test->rgba_map[G] = 2; test->rgba_map[B] = 3; break;
+ case PIX_FMT_ABGR: test->rgba_map[A] = 0; test->rgba_map[B] = 1; test->rgba_map[G] = 2; test->rgba_map[R] = 3; break;
+ case PIX_FMT_RGBA:
+ case PIX_FMT_RGB24: test->rgba_map[R] = 0; test->rgba_map[G] = 1; test->rgba_map[B] = 2; test->rgba_map[A] = 3; break;
+ case PIX_FMT_BGRA:
+ case PIX_FMT_BGR24: test->rgba_map[B] = 0; test->rgba_map[G] = 1; test->rgba_map[R] = 2; test->rgba_map[A] = 3; break;
+ }
+
+ return config_props(outlink);
+}
+
+AVFilter avfilter_vsrc_rgbtestsrc = {
+ .name = "rgbtestsrc",
+ .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
+ .priv_size = sizeof(TestSourceContext),
+ .init = rgbtest_init,
+
+ .query_formats = rgbtest_query_formats,
+
+ .inputs = (AVFilterPad[]) {{ .name = NULL}},
+
+ .outputs = (AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = request_frame,
+ .config_props = rgbtest_config_props, },
+ { .name = NULL }},
+};
+
+#endif /* CONFIG_RGBTESTSRC_FILTER */
projects / ffmpeg / blobdiff