/*
- * copyright (c) 2010 Stefano Sabatini
- * This file is part of FFmpeg.
+ * Copyright (c) 2010 Stefano Sabatini
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <dlfcn.h>
#include <frei0r.h>
#include "libavutil/avstring.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/parseutils.h"
#include "avfilter.h"
-#include "parseutils.h"
+#include "formats.h"
typedef f0r_instance_t (*f0r_construct_f)(unsigned int width, unsigned int height);
typedef void (*f0r_destruct_f)(f0r_instance_t instance);
f0r_destruct_f destruct;
f0r_deinit_f deinit;
char params[256];
+
+ /* only used by the source */
+ int w, h;
+ AVRational time_base;
+ uint64_t pts;
} Frei0rContext;
static void *load_sym(AVFilterContext *ctx, const char *sym_name)
return dlopen(path, RTLD_NOW|RTLD_LOCAL);
}
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int frei0r_init(AVFilterContext *ctx,
+ const char *dl_name, int type)
{
Frei0rContext *frei0r = ctx->priv;
f0r_init_f f0r_init;
f0r_get_plugin_info_f f0r_get_plugin_info;
f0r_plugin_info_t *pi;
- char dl_name[1024], *path;
-
- *frei0r->params = 0;
-
- if (args)
- sscanf(args, "%1023[^:]:%255c", dl_name, frei0r->params);
+ char *path;
/* see: http://piksel.org/frei0r/1.2/spec/1.2/spec/group__pluglocations.html */
if ((path = av_strdup(getenv("FREI0R_PATH")))) {
f0r_get_plugin_info(&frei0r->plugin_info);
pi = &frei0r->plugin_info;
- if (pi->plugin_type != F0R_PLUGIN_TYPE_FILTER) {
+ if (pi->plugin_type != type) {
av_log(ctx, AV_LOG_ERROR,
- "Invalid type '%s' for the plugin, a filter plugin was expected\n",
+ "Invalid type '%s' for the plugin\n",
+ pi->plugin_type == F0R_PLUGIN_TYPE_FILTER ? "filter" :
pi->plugin_type == F0R_PLUGIN_TYPE_SOURCE ? "source" :
pi->plugin_type == F0R_PLUGIN_TYPE_MIXER2 ? "mixer2" :
pi->plugin_type == F0R_PLUGIN_TYPE_MIXER3 ? "mixer3" : "unknown");
return 0;
}
+static av_cold int filter_init(AVFilterContext *ctx, const char *args, void *opaque)
+{
+ Frei0rContext *frei0r = ctx->priv;
+ char dl_name[1024], c;
+ *frei0r->params = 0;
+
+ if (args)
+ sscanf(args, "%1023[^:=]%c%255c", dl_name, &c, frei0r->params);
+
+ return frei0r_init(ctx, dl_name, F0R_PLUGIN_TYPE_FILTER);
+}
+
static av_cold void uninit(AVFilterContext *ctx)
{
Frei0rContext *frei0r = ctx->priv;
- if (frei0r->destruct)
+ if (frei0r->destruct && frei0r->instance)
frei0r->destruct(frei0r->instance);
if (frei0r->deinit)
frei0r->deinit();
AVFilterFormats *formats = NULL;
if (frei0r->plugin_info.color_model == F0R_COLOR_MODEL_BGRA8888) {
- avfilter_add_format(&formats, PIX_FMT_BGRA);
+ ff_add_format(&formats, PIX_FMT_BGRA);
} else if (frei0r->plugin_info.color_model == F0R_COLOR_MODEL_RGBA8888) {
- avfilter_add_format(&formats, PIX_FMT_RGBA);
+ ff_add_format(&formats, PIX_FMT_RGBA);
} else { /* F0R_COLOR_MODEL_PACKED32 */
static const enum PixelFormat pix_fmts[] = {
PIX_FMT_BGRA, PIX_FMT_ARGB, PIX_FMT_ABGR, PIX_FMT_ARGB, PIX_FMT_NONE
};
- formats = avfilter_make_format_list(pix_fmts);
+ formats = ff_make_format_list(pix_fmts);
}
if (!formats)
return AVERROR(ENOMEM);
- avfilter_set_common_formats(ctx, formats);
+ ff_set_common_formats(ctx, formats);
return 0;
}
.description = NULL_IF_CONFIG_SMALL("Apply a frei0r effect."),
.query_formats = query_formats,
- .init = init,
+ .init = filter_init,
.uninit = uninit,
.priv_size = sizeof(Frei0rContext),
.type = AVMEDIA_TYPE_VIDEO, },
{ .name = NULL}},
};
+
+static av_cold int source_init(AVFilterContext *ctx, const char *args, void *opaque)
+{
+ Frei0rContext *frei0r = ctx->priv;
+ char dl_name[1024], c;
+ char frame_size[128] = "";
+ char frame_rate[128] = "";
+ AVRational frame_rate_q;
+
+ memset(frei0r->params, 0, sizeof(frei0r->params));
+
+ if (args)
+ sscanf(args, "%127[^:]:%127[^:]:%1023[^:=]%c%255c",
+ frame_size, frame_rate, dl_name, &c, frei0r->params);
+
+ if (av_parse_video_size(&frei0r->w, &frei0r->h, frame_size) < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid frame size: '%s'\n", frame_size);
+ return AVERROR(EINVAL);
+ }
+
+ if (av_parse_video_rate(&frame_rate_q, frame_rate) < 0 ||
+ frame_rate_q.den <= 0 || frame_rate_q.num <= 0) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: '%s'\n", frame_rate);
+ return AVERROR(EINVAL);
+ }
+ frei0r->time_base.num = frame_rate_q.den;
+ frei0r->time_base.den = frame_rate_q.num;
+
+ return frei0r_init(ctx, dl_name, F0R_PLUGIN_TYPE_SOURCE);
+}
+
+static int source_config_props(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ Frei0rContext *frei0r = ctx->priv;
+
+ if (av_image_check_size(frei0r->w, frei0r->h, 0, ctx) < 0)
+ return AVERROR(EINVAL);
+ outlink->w = frei0r->w;
+ outlink->h = frei0r->h;
+ outlink->time_base = frei0r->time_base;
+
+ if (!(frei0r->instance = frei0r->construct(outlink->w, outlink->h))) {
+ av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance");
+ return AVERROR(EINVAL);
+ }
+
+ return set_params(ctx, frei0r->params);
+}
+
+static int source_request_frame(AVFilterLink *outlink)
+{
+ Frei0rContext *frei0r = outlink->src->priv;
+ AVFilterBufferRef *picref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
+ picref->video->pixel_aspect = (AVRational) {1, 1};
+ picref->pts = frei0r->pts++;
+ picref->pos = -1;
+
+ avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
+ frei0r->update(frei0r->instance, av_rescale_q(picref->pts, frei0r->time_base, (AVRational){1,1000}),
+ NULL, (uint32_t *)picref->data[0]);
+ avfilter_draw_slice(outlink, 0, outlink->h, 1);
+ avfilter_end_frame(outlink);
+ avfilter_unref_buffer(picref);
+
+ return 0;
+}
+
+AVFilter avfilter_vsrc_frei0r_src = {
+ .name = "frei0r_src",
+ .description = NULL_IF_CONFIG_SMALL("Generate a frei0r source."),
+
+ .priv_size = sizeof(Frei0rContext),
+ .init = source_init,
+ .uninit = uninit,
+
+ .query_formats = query_formats,
+
+ .inputs = (AVFilterPad[]) {{ .name = NULL}},
+
+ .outputs = (AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = source_request_frame,
+ .config_props = source_config_props },
+ { .name = NULL}},
+};
projects / ffmpeg / blobdiff