/*
* Copyright (c) 2010 Stefano Sabatini
- * This file is part of FFmpeg.
+ * 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
*/
* frei0r wrapper
*/
-/* #define DEBUG */
-
#include <dlfcn.h>
#include <frei0r.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "config.h"
#include "libavutil/avstring.h"
-#include "libavcore/parseutils.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/mem.h"
+#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
typedef f0r_instance_t (*f0r_construct_f)(unsigned int width, unsigned int height);
typedef void (*f0r_destruct_f)(f0r_instance_t instance);
typedef void (*f0r_get_param_value_f)(f0r_instance_t instance, f0r_param_t param, int param_index);
typedef struct Frei0rContext {
+ const AVClass *class;
f0r_update_f update;
void *dl_handle; /* dynamic library handle */
f0r_instance_t instance;
f0r_construct_f construct;
f0r_destruct_f destruct;
f0r_deinit_f deinit;
- char params[256];
+
+ char *dl_name;
+ char *params;
+ char *size;
+ char *framerate;
+
+ /* 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)
{
- Frei0rContext *frei0r = ctx->priv;
- void *sym = dlsym(frei0r->dl_handle, sym_name);
+ Frei0rContext *s = ctx->priv;
+ void *sym = dlsym(s->dl_handle, sym_name);
if (!sym)
- av_log(ctx, AV_LOG_ERROR, "Could not find symbol '%s' in loaded module\n", sym_name);
+ av_log(ctx, AV_LOG_ERROR, "Could not find symbol '%s' in loaded module.\n", sym_name);
return sym;
}
static int set_param(AVFilterContext *ctx, f0r_param_info_t info, int index, char *param)
{
- Frei0rContext *frei0r = ctx->priv;
+ Frei0rContext *s = ctx->priv;
union {
double d;
f0r_param_color_t col;
break;
}
- frei0r->set_param_value(frei0r->instance, &val, index);
+ s->set_param_value(s->instance, &val, index);
return 0;
fail:
- av_log(ctx, AV_LOG_ERROR, "Invalid value '%s' for parameter '%s'\n",
+ av_log(ctx, AV_LOG_ERROR, "Invalid value '%s' for parameter '%s'.\n",
param, info.name);
return AVERROR(EINVAL);
}
static int set_params(AVFilterContext *ctx, const char *params)
{
- Frei0rContext *frei0r = ctx->priv;
+ Frei0rContext *s = ctx->priv;
int i;
- for (i = 0; i < frei0r->plugin_info.num_params; i++) {
+ for (i = 0; i < s->plugin_info.num_params; i++) {
f0r_param_info_t info;
char *param;
int ret;
- frei0r->get_param_info(&info, i);
+ s->get_param_info(&info, i);
if (*params) {
- if (!(param = av_get_token(¶ms, ":")))
+ if (!(param = av_get_token(¶ms, "|")))
return AVERROR(ENOMEM);
- params++; /* skip ':' */
+ if (*params)
+ params++; /* skip ':' */
ret = set_param(ctx, info, i, param);
av_free(param);
if (ret < 0)
return ret;
}
- av_log(ctx, AV_LOG_INFO,
+ av_log(ctx, AV_LOG_VERBOSE,
"idx:%d name:'%s' type:%s explanation:'%s' ",
i, info.name,
info.type == F0R_PARAM_BOOL ? "bool" :
info.explanation);
#ifdef DEBUG
- av_log(ctx, AV_LOG_INFO, "value:");
+ av_log(ctx, AV_LOG_DEBUG, "value:");
switch (info.type) {
void *v;
double d;
case F0R_PARAM_BOOL:
v = &d;
- frei0r->get_param_value(frei0r->instance, v, i);
- av_log(ctx, AV_LOG_INFO, "%s", d >= 0.5 && d <= 1.0 ? "y" : "n");
+ s->get_param_value(s->instance, v, i);
+ av_log(ctx, AV_LOG_DEBUG, "%s", d >= 0.5 && d <= 1.0 ? "y" : "n");
break;
case F0R_PARAM_DOUBLE:
v = &d;
- frei0r->get_param_value(frei0r->instance, v, i);
- av_log(ctx, AV_LOG_INFO, "%f", d);
+ s->get_param_value(s->instance, v, i);
+ av_log(ctx, AV_LOG_DEBUG, "%f", d);
break;
case F0R_PARAM_COLOR:
v = &col;
- frei0r->get_param_value(frei0r->instance, v, i);
- av_log(ctx, AV_LOG_INFO, "%f/%f/%f", col.r, col.g, col.b);
+ s->get_param_value(s->instance, v, i);
+ av_log(ctx, AV_LOG_DEBUG, "%f/%f/%f", col.r, col.g, col.b);
break;
case F0R_PARAM_POSITION:
v = &pos;
- frei0r->get_param_value(frei0r->instance, v, i);
- av_log(ctx, AV_LOG_INFO, "%lf/%lf", pos.x, pos.y);
+ s->get_param_value(s->instance, v, i);
+ av_log(ctx, AV_LOG_DEBUG, "%f/%f", pos.x, pos.y);
break;
default: /* F0R_PARAM_STRING */
v = s;
- frei0r->get_param_value(frei0r->instance, v, i);
- av_log(ctx, AV_LOG_INFO, "'%s'\n", s);
+ s->get_param_value(s->instance, v, i);
+ av_log(ctx, AV_LOG_DEBUG, "'%s'", s);
break;
}
#endif
- av_log(ctx, AV_LOG_INFO, "\n");
+ av_log(ctx, AV_LOG_VERBOSE, ".\n");
}
return 0;
char path[1024];
snprintf(path, sizeof(path), "%s%s%s", prefix, name, SLIBSUF);
- av_log(ctx, AV_LOG_DEBUG, "Looking for frei0r effect in '%s'\n", path);
+ av_log(ctx, AV_LOG_DEBUG, "Looking for frei0r effect in '%s'.\n", path);
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;
+ Frei0rContext *s = 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;
+ char *path;
- *frei0r->params = 0;
-
- if (args)
- sscanf(args, "%1023[^:]:%255c", dl_name, frei0r->params);
+ if (!dl_name) {
+ av_log(ctx, AV_LOG_ERROR, "No filter name provided.\n");
+ return AVERROR(EINVAL);
+ }
/* see: http://piksel.org/frei0r/1.2/spec/1.2/spec/group__pluglocations.html */
- if ((path = av_strdup(getenv("FREI0R_PATH")))) {
- char *p, *ptr = NULL;
- for (p = path; p = strtok_r(p, ":", &ptr); p = NULL)
- if (frei0r->dl_handle = load_path(ctx, p, dl_name))
- break;
- av_free(path);
+ if (path = getenv("FREI0R_PATH")) {
+ while(*path) {
+ char *ptr = av_get_token((const char **)&path, ":");
+ if (!ptr)
+ return AVERROR(ENOMEM);
+ s->dl_handle = load_path(ctx, ptr, dl_name);
+ av_freep(&ptr);
+ if (s->dl_handle)
+ break; /* found */
+ if (*path)
+ path++; /* skip ':' */
+ }
}
- if (!frei0r->dl_handle && (path = getenv("HOME"))) {
+ if (!s->dl_handle && (path = getenv("HOME"))) {
char prefix[1024];
snprintf(prefix, sizeof(prefix), "%s/.frei0r-1/lib/", path);
- frei0r->dl_handle = load_path(ctx, prefix, dl_name);
+ s->dl_handle = load_path(ctx, prefix, dl_name);
}
- if (!frei0r->dl_handle)
- frei0r->dl_handle = load_path(ctx, "/usr/local/lib/frei0r-1/", dl_name);
- if (!frei0r->dl_handle)
- frei0r->dl_handle = load_path(ctx, "/usr/lib/frei0r-1/", dl_name);
- if (!frei0r->dl_handle) {
- av_log(ctx, AV_LOG_ERROR, "Could not find module '%s'\n", dl_name);
+ if (!s->dl_handle)
+ s->dl_handle = load_path(ctx, "/usr/local/lib/frei0r-1/", dl_name);
+ if (!s->dl_handle)
+ s->dl_handle = load_path(ctx, "/usr/lib/frei0r-1/", dl_name);
+ if (!s->dl_handle) {
+ av_log(ctx, AV_LOG_ERROR, "Could not find module '%s'.\n", dl_name);
return AVERROR(EINVAL);
}
if (!(f0r_init = load_sym(ctx, "f0r_init" )) ||
!(f0r_get_plugin_info = load_sym(ctx, "f0r_get_plugin_info")) ||
- !(frei0r->get_param_info = load_sym(ctx, "f0r_get_param_info" )) ||
- !(frei0r->get_param_value = load_sym(ctx, "f0r_get_param_value")) ||
- !(frei0r->set_param_value = load_sym(ctx, "f0r_set_param_value")) ||
- !(frei0r->update = load_sym(ctx, "f0r_update" )) ||
- !(frei0r->construct = load_sym(ctx, "f0r_construct" )) ||
- !(frei0r->destruct = load_sym(ctx, "f0r_destruct" )) ||
- !(frei0r->deinit = load_sym(ctx, "f0r_deinit" )))
+ !(s->get_param_info = load_sym(ctx, "f0r_get_param_info" )) ||
+ !(s->get_param_value = load_sym(ctx, "f0r_get_param_value")) ||
+ !(s->set_param_value = load_sym(ctx, "f0r_set_param_value")) ||
+ !(s->update = load_sym(ctx, "f0r_update" )) ||
+ !(s->construct = load_sym(ctx, "f0r_construct" )) ||
+ !(s->destruct = load_sym(ctx, "f0r_destruct" )) ||
+ !(s->deinit = load_sym(ctx, "f0r_deinit" )))
return AVERROR(EINVAL);
if (f0r_init() < 0) {
- av_log(ctx, AV_LOG_ERROR, "Could not init the frei0r module");
+ av_log(ctx, AV_LOG_ERROR, "Could not init the frei0r module.\n");
return AVERROR(EINVAL);
}
- f0r_get_plugin_info(&frei0r->plugin_info);
- pi = &frei0r->plugin_info;
- if (pi->plugin_type != F0R_PLUGIN_TYPE_FILTER) {
+ f0r_get_plugin_info(&s->plugin_info);
+ pi = &s->plugin_info;
+ 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 this 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 AVERROR(EINVAL);
}
- av_log(ctx, AV_LOG_INFO,
+ av_log(ctx, AV_LOG_VERBOSE,
"name:%s author:'%s' explanation:'%s' color_model:%s "
"frei0r_version:%d version:%d.%d num_params:%d\n",
pi->name, pi->author, pi->explanation,
return 0;
}
-static av_cold void uninit(AVFilterContext *ctx)
+static av_cold int filter_init(AVFilterContext *ctx)
{
- Frei0rContext *frei0r = ctx->priv;
+ Frei0rContext *s = ctx->priv;
- if (frei0r->destruct && frei0r->instance)
- frei0r->destruct(frei0r->instance);
- if (frei0r->deinit)
- frei0r->deinit();
- if (frei0r->dl_handle)
- dlclose(frei0r->dl_handle);
+ return frei0r_init(ctx, s->dl_name, F0R_PLUGIN_TYPE_FILTER);
+}
- memset(frei0r, 0, sizeof(*frei0r));
+static av_cold void uninit(AVFilterContext *ctx)
+{
+ Frei0rContext *s = ctx->priv;
+
+ if (s->destruct && s->instance)
+ s->destruct(s->instance);
+ if (s->deinit)
+ s->deinit();
+ if (s->dl_handle)
+ dlclose(s->dl_handle);
}
static int config_input_props(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
- Frei0rContext *frei0r = ctx->priv;
+ Frei0rContext *s = ctx->priv;
- if (!(frei0r->instance = frei0r->construct(inlink->w, inlink->h))) {
- av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance");
+ if (s->destruct && s->instance)
+ s->destruct(s->instance);
+ if (!(s->instance = s->construct(inlink->w, inlink->h))) {
+ av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance.\n");
return AVERROR(EINVAL);
}
- return set_params(ctx, frei0r->params);
+ return set_params(ctx, s->params);
}
static int query_formats(AVFilterContext *ctx)
{
- Frei0rContext *frei0r = ctx->priv;
+ Frei0rContext *s = ctx->priv;
AVFilterFormats *formats = NULL;
- if (frei0r->plugin_info.color_model == F0R_COLOR_MODEL_BGRA8888) {
- avfilter_add_format(&formats, PIX_FMT_BGRA);
- } else if (frei0r->plugin_info.color_model == F0R_COLOR_MODEL_RGBA8888) {
- avfilter_add_format(&formats, PIX_FMT_RGBA);
+ if (s->plugin_info.color_model == F0R_COLOR_MODEL_BGRA8888) {
+ ff_add_format(&formats, AV_PIX_FMT_BGRA);
+ } else if (s->plugin_info.color_model == F0R_COLOR_MODEL_RGBA8888) {
+ ff_add_format(&formats, AV_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
+ static const enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_BGRA, AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, AV_PIX_FMT_ARGB, AV_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;
}
-static void null_draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) { }
-
-static void end_frame(AVFilterLink *inlink)
+static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
- Frei0rContext *frei0r = inlink->dst->priv;
+ Frei0rContext *s = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
- AVFilterBufferRef *inpicref = inlink->cur_buf;
- AVFilterBufferRef *outpicref = outlink->out_buf;
-
- frei0r->update(frei0r->instance, inpicref->pts * av_q2d(inlink->time_base) * 1000,
- (const uint32_t *)inpicref->data[0],
- (uint32_t *)outpicref->data[0]);
- avfilter_unref_buffer(inpicref);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
- avfilter_unref_buffer(outpicref);
+ AVFrame *out;
+
+ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (!out) {
+ av_frame_free(&in);
+ return AVERROR(ENOMEM);
+ }
+ av_frame_copy_props(out, in);
+
+ s->update(s->instance, in->pts * av_q2d(inlink->time_base) * 1000,
+ (const uint32_t *)in->data[0],
+ (uint32_t *)out->data[0]);
+
+ av_frame_free(&in);
+
+ return ff_filter_frame(outlink, out);
}
-AVFilter avfilter_vf_frei0r = {
+#define OFFSET(x) offsetof(Frei0rContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
+static const AVOption filter_options[] = {
+ { "filter_name", NULL, OFFSET(dl_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "filter_params", NULL, OFFSET(params), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { NULL },
+};
+
+static const AVClass filter_class = {
+ .class_name = "frei0r",
+ .item_name = av_default_item_name,
+ .option = filter_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad avfilter_vf_frei0r_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_input_props,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad avfilter_vf_frei0r_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ },
+ { NULL }
+};
+
+AVFilter ff_vf_frei0r = {
.name = "frei0r",
.description = NULL_IF_CONFIG_SMALL("Apply a frei0r effect."),
.query_formats = query_formats,
- .init = init,
+ .init = filter_init,
.uninit = uninit,
.priv_size = sizeof(Frei0rContext),
+ .priv_class = &filter_class,
+
+ .inputs = avfilter_vf_frei0r_inputs,
+
+ .outputs = avfilter_vf_frei0r_outputs,
+};
+
+static av_cold int source_init(AVFilterContext *ctx)
+{
+ Frei0rContext *s = ctx->priv;
+ AVRational frame_rate_q;
+
+ if (av_parse_video_size(&s->w, &s->h, s->size) < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid frame size: '%s'.\n", s->size);
+ return AVERROR(EINVAL);
+ }
+
+ if (av_parse_video_rate(&frame_rate_q, s->framerate) < 0 ||
+ frame_rate_q.den <= 0 || frame_rate_q.num <= 0) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: '%s'.\n", s->framerate);
+ return AVERROR(EINVAL);
+ }
+ s->time_base.num = frame_rate_q.den;
+ s->time_base.den = frame_rate_q.num;
+
+ return frei0r_init(ctx, s->dl_name, F0R_PLUGIN_TYPE_SOURCE);
+}
+
+static int source_config_props(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ Frei0rContext *s = ctx->priv;
+
+ if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
+ return AVERROR(EINVAL);
+ outlink->w = s->w;
+ outlink->h = s->h;
+ outlink->time_base = s->time_base;
+ outlink->frame_rate = av_inv_q(s->time_base);
+
+ if (s->destruct && s->instance)
+ s->destruct(s->instance);
+ if (!(s->instance = s->construct(outlink->w, outlink->h))) {
+ av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance.\n");
+ return AVERROR(EINVAL);
+ }
+ if (!s->params) {
+ av_log(ctx, AV_LOG_ERROR, "frei0r filter parameters not set.\n");
+ return AVERROR(EINVAL);
+ }
+
+ return set_params(ctx, s->params);
+}
+
+static int source_request_frame(AVFilterLink *outlink)
+{
+ Frei0rContext *s = outlink->src->priv;
+ AVFrame *frame = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+
+ if (!frame)
+ return AVERROR(ENOMEM);
+
+ frame->sample_aspect_ratio = (AVRational) {1, 1};
+ frame->pts = s->pts++;
+
+ s->update(s->instance, av_rescale_q(frame->pts, s->time_base, (AVRational){1,1000}),
+ NULL, (uint32_t *)frame->data[0]);
+
+ return ff_filter_frame(outlink, frame);
+}
+
+static const AVOption src_options[] = {
+ { "size", "Dimensions of the generated video.", OFFSET(size), AV_OPT_TYPE_STRING, { .str = "" }, .flags = FLAGS },
+ { "framerate", NULL, OFFSET(framerate), AV_OPT_TYPE_STRING, { .str = "25" }, .flags = FLAGS },
+ { "filter_name", NULL, OFFSET(dl_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "filter_params", NULL, OFFSET(params), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { NULL },
+};
+
+static const AVClass src_class = {
+ .class_name = "frei0r_src",
+ .item_name = av_default_item_name,
+ .option = src_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad avfilter_vsrc_frei0r_src_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = source_request_frame,
+ .config_props = source_config_props
+ },
+ { NULL }
+};
+
+AVFilter ff_vsrc_frei0r_src = {
+ .name = "frei0r_src",
+ .description = NULL_IF_CONFIG_SMALL("Generate a frei0r source."),
+
+ .priv_size = sizeof(Frei0rContext),
+ .priv_class = &src_class,
+ .init = source_init,
+ .uninit = uninit,
+
+ .query_formats = query_formats,
+
+ .inputs = NULL,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .draw_slice = null_draw_slice,
- .config_props = config_input_props,
- .end_frame = end_frame,
- .min_perms = AV_PERM_READ },
- { .name = NULL}},
-
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO, },
- { .name = NULL}},
+ .outputs = avfilter_vsrc_frei0r_src_outputs,
};
projects / ffmpeg / blobdiff