mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
ead0dd3cf6
Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Marton Balint <cus@passwd.hu>
534 lines
17 KiB
C
534 lines
17 KiB
C
/*
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* Copyright (c) 2010 Stefano Sabatini
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* frei0r wrapper
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*/
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#include <dlfcn.h>
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#include <frei0r.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "config.h"
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#include "libavutil/avstring.h"
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#include "libavutil/common.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/internal.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/mem.h"
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#include "libavutil/opt.h"
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#include "libavutil/parseutils.h"
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#include "avfilter.h"
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#include "formats.h"
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#include "internal.h"
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#include "video.h"
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typedef f0r_instance_t (*f0r_construct_f)(unsigned int width, unsigned int height);
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typedef void (*f0r_destruct_f)(f0r_instance_t instance);
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typedef void (*f0r_deinit_f)(void);
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typedef int (*f0r_init_f)(void);
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typedef void (*f0r_get_plugin_info_f)(f0r_plugin_info_t *info);
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typedef void (*f0r_get_param_info_f)(f0r_param_info_t *info, int param_index);
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typedef void (*f0r_update_f)(f0r_instance_t instance, double time, const uint32_t *inframe, uint32_t *outframe);
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typedef void (*f0r_update2_f)(f0r_instance_t instance, double time, const uint32_t *inframe1, const uint32_t *inframe2, const uint32_t *inframe3, uint32_t *outframe);
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typedef void (*f0r_set_param_value_f)(f0r_instance_t instance, f0r_param_t param, int param_index);
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typedef void (*f0r_get_param_value_f)(f0r_instance_t instance, f0r_param_t param, int param_index);
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typedef struct Frei0rContext {
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const AVClass *class;
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f0r_update_f update;
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void *dl_handle; /* dynamic library handle */
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f0r_instance_t instance;
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f0r_plugin_info_t plugin_info;
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f0r_get_param_info_f get_param_info;
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f0r_get_param_value_f get_param_value;
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f0r_set_param_value_f set_param_value;
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f0r_construct_f construct;
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f0r_destruct_f destruct;
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f0r_deinit_f deinit;
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char *dl_name;
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char *params;
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AVRational framerate;
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/* only used by the source */
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int w, h;
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AVRational time_base;
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uint64_t pts;
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} Frei0rContext;
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static void *load_sym(AVFilterContext *ctx, const char *sym_name)
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{
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Frei0rContext *s = ctx->priv;
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void *sym = dlsym(s->dl_handle, sym_name);
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if (!sym)
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av_log(ctx, AV_LOG_ERROR, "Could not find symbol '%s' in loaded module\n", sym_name);
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return sym;
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}
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static int set_param(AVFilterContext *ctx, f0r_param_info_t info, int index, char *param)
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{
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Frei0rContext *s = ctx->priv;
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union {
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double d;
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f0r_param_color_t col;
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f0r_param_position_t pos;
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} val;
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char *tail;
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uint8_t rgba[4];
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switch (info.type) {
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case F0R_PARAM_BOOL:
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if (!strcmp(param, "y")) val.d = 1.0;
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else if (!strcmp(param, "n")) val.d = 0.0;
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else goto fail;
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break;
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case F0R_PARAM_DOUBLE:
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val.d = strtod(param, &tail);
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if (*tail || val.d == HUGE_VAL)
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goto fail;
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break;
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case F0R_PARAM_COLOR:
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if (sscanf(param, "%f/%f/%f", &val.col.r, &val.col.g, &val.col.b) != 3) {
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if (av_parse_color(rgba, param, -1, ctx) < 0)
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goto fail;
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val.col.r = rgba[0] / 255.0;
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val.col.g = rgba[1] / 255.0;
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val.col.b = rgba[2] / 255.0;
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}
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break;
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case F0R_PARAM_POSITION:
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if (sscanf(param, "%lf/%lf", &val.pos.x, &val.pos.y) != 2)
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goto fail;
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break;
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}
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s->set_param_value(s->instance, &val, index);
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return 0;
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fail:
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av_log(ctx, AV_LOG_ERROR, "Invalid value '%s' for parameter '%s'\n",
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param, info.name);
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return AVERROR(EINVAL);
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}
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static int set_params(AVFilterContext *ctx, const char *params)
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{
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Frei0rContext *s = ctx->priv;
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int i;
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if (!params)
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return 0;
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for (i = 0; i < s->plugin_info.num_params; i++) {
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f0r_param_info_t info;
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char *param;
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int ret;
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s->get_param_info(&info, i);
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if (*params) {
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if (!(param = av_get_token(¶ms, "|")))
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return AVERROR(ENOMEM);
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if (*params)
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params++; /* skip ':' */
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ret = set_param(ctx, info, i, param);
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av_free(param);
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if (ret < 0)
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return ret;
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}
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av_log(ctx, AV_LOG_VERBOSE,
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"idx:%d name:'%s' type:%s explanation:'%s' ",
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i, info.name,
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info.type == F0R_PARAM_BOOL ? "bool" :
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info.type == F0R_PARAM_DOUBLE ? "double" :
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info.type == F0R_PARAM_COLOR ? "color" :
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info.type == F0R_PARAM_POSITION ? "position" :
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info.type == F0R_PARAM_STRING ? "string" : "unknown",
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info.explanation);
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#ifdef DEBUG
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av_log(ctx, AV_LOG_DEBUG, "value:");
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switch (info.type) {
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void *v;
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double d;
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char s[128];
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f0r_param_color_t col;
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f0r_param_position_t pos;
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case F0R_PARAM_BOOL:
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v = &d;
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s->get_param_value(s->instance, v, i);
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av_log(ctx, AV_LOG_DEBUG, "%s", d >= 0.5 && d <= 1.0 ? "y" : "n");
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break;
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case F0R_PARAM_DOUBLE:
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v = &d;
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s->get_param_value(s->instance, v, i);
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av_log(ctx, AV_LOG_DEBUG, "%f", d);
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break;
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case F0R_PARAM_COLOR:
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v = &col;
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s->get_param_value(s->instance, v, i);
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av_log(ctx, AV_LOG_DEBUG, "%f/%f/%f", col.r, col.g, col.b);
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break;
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case F0R_PARAM_POSITION:
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v = &pos;
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s->get_param_value(s->instance, v, i);
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av_log(ctx, AV_LOG_DEBUG, "%f/%f", pos.x, pos.y);
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break;
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default: /* F0R_PARAM_STRING */
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v = s;
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s->get_param_value(s->instance, v, i);
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av_log(ctx, AV_LOG_DEBUG, "'%s'\n", s);
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break;
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}
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#endif
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av_log(ctx, AV_LOG_VERBOSE, "\n");
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}
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return 0;
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}
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static int load_path(AVFilterContext *ctx, void **handle_ptr, const char *prefix, const char *name)
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{
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char *path = av_asprintf("%s%s%s", prefix, name, SLIBSUF);
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if (!path)
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return AVERROR(ENOMEM);
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av_log(ctx, AV_LOG_DEBUG, "Looking for frei0r effect in '%s'\n", path);
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*handle_ptr = dlopen(path, RTLD_NOW|RTLD_LOCAL);
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av_free(path);
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return 0;
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}
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static av_cold int frei0r_init(AVFilterContext *ctx,
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const char *dl_name, int type)
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{
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Frei0rContext *s = ctx->priv;
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f0r_init_f f0r_init;
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f0r_get_plugin_info_f f0r_get_plugin_info;
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f0r_plugin_info_t *pi;
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char *path;
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int ret = 0;
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int i;
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static const char* const frei0r_pathlist[] = {
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"/usr/local/lib/frei0r-1/",
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"/usr/lib/frei0r-1/",
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"/usr/local/lib64/frei0r-1/",
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"/usr/lib64/frei0r-1/"
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};
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if (!dl_name) {
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av_log(ctx, AV_LOG_ERROR, "No filter name provided.\n");
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return AVERROR(EINVAL);
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}
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/* see: http://frei0r.dyne.org/codedoc/html/group__pluglocations.html */
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if ((path = av_strdup(getenv("FREI0R_PATH")))) {
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#ifdef _WIN32
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const char *separator = ";";
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#else
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const char *separator = ":";
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#endif
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char *p, *ptr = NULL;
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for (p = path; p = av_strtok(p, separator, &ptr); p = NULL) {
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/* add additional trailing slash in case it is missing */
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char *p1 = av_asprintf("%s/", p);
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if (!p1) {
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ret = AVERROR(ENOMEM);
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goto check_path_end;
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}
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ret = load_path(ctx, &s->dl_handle, p1, dl_name);
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av_free(p1);
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if (ret < 0)
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goto check_path_end;
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if (s->dl_handle)
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break;
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}
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check_path_end:
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av_free(path);
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if (ret < 0)
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return ret;
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}
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if (!s->dl_handle && (path = getenv("HOME"))) {
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char *prefix = av_asprintf("%s/.frei0r-1/lib/", path);
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if (!prefix)
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return AVERROR(ENOMEM);
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ret = load_path(ctx, &s->dl_handle, prefix, dl_name);
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av_free(prefix);
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if (ret < 0)
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return ret;
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}
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for (i = 0; !s->dl_handle && i < FF_ARRAY_ELEMS(frei0r_pathlist); i++) {
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ret = load_path(ctx, &s->dl_handle, frei0r_pathlist[i], dl_name);
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if (ret < 0)
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return ret;
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}
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if (!s->dl_handle) {
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av_log(ctx, AV_LOG_ERROR, "Could not find module '%s'\n", dl_name);
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return AVERROR(EINVAL);
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}
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if (!(f0r_init = load_sym(ctx, "f0r_init" )) ||
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!(f0r_get_plugin_info = load_sym(ctx, "f0r_get_plugin_info")) ||
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!(s->get_param_info = load_sym(ctx, "f0r_get_param_info" )) ||
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!(s->get_param_value = load_sym(ctx, "f0r_get_param_value")) ||
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!(s->set_param_value = load_sym(ctx, "f0r_set_param_value")) ||
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!(s->update = load_sym(ctx, "f0r_update" )) ||
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!(s->construct = load_sym(ctx, "f0r_construct" )) ||
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!(s->destruct = load_sym(ctx, "f0r_destruct" )) ||
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!(s->deinit = load_sym(ctx, "f0r_deinit" )))
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return AVERROR(EINVAL);
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if (f0r_init() < 0) {
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av_log(ctx, AV_LOG_ERROR, "Could not init the frei0r module\n");
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return AVERROR(EINVAL);
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}
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f0r_get_plugin_info(&s->plugin_info);
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pi = &s->plugin_info;
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if (pi->plugin_type != type) {
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av_log(ctx, AV_LOG_ERROR,
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"Invalid type '%s' for the plugin\n",
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pi->plugin_type == F0R_PLUGIN_TYPE_FILTER ? "filter" :
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pi->plugin_type == F0R_PLUGIN_TYPE_SOURCE ? "source" :
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pi->plugin_type == F0R_PLUGIN_TYPE_MIXER2 ? "mixer2" :
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pi->plugin_type == F0R_PLUGIN_TYPE_MIXER3 ? "mixer3" : "unknown");
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return AVERROR(EINVAL);
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}
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av_log(ctx, AV_LOG_VERBOSE,
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"name:%s author:'%s' explanation:'%s' color_model:%s "
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"frei0r_version:%d version:%d.%d num_params:%d\n",
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pi->name, pi->author, pi->explanation,
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pi->color_model == F0R_COLOR_MODEL_BGRA8888 ? "bgra8888" :
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pi->color_model == F0R_COLOR_MODEL_RGBA8888 ? "rgba8888" :
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pi->color_model == F0R_COLOR_MODEL_PACKED32 ? "packed32" : "unknown",
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pi->frei0r_version, pi->major_version, pi->minor_version, pi->num_params);
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return 0;
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}
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static av_cold int filter_init(AVFilterContext *ctx)
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{
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Frei0rContext *s = ctx->priv;
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return frei0r_init(ctx, s->dl_name, F0R_PLUGIN_TYPE_FILTER);
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}
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static av_cold void uninit(AVFilterContext *ctx)
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{
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Frei0rContext *s = ctx->priv;
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if (s->destruct && s->instance)
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s->destruct(s->instance);
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if (s->deinit)
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s->deinit();
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if (s->dl_handle)
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dlclose(s->dl_handle);
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}
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static int config_input_props(AVFilterLink *inlink)
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{
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AVFilterContext *ctx = inlink->dst;
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Frei0rContext *s = ctx->priv;
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if (s->destruct && s->instance)
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s->destruct(s->instance);
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if (!(s->instance = s->construct(inlink->w, inlink->h))) {
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av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance\n");
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return AVERROR(EINVAL);
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}
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return set_params(ctx, s->params);
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}
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static int query_formats(AVFilterContext *ctx)
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{
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Frei0rContext *s = ctx->priv;
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AVFilterFormats *formats = NULL;
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if (s->plugin_info.color_model == F0R_COLOR_MODEL_BGRA8888) {
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ff_add_format(&formats, AV_PIX_FMT_BGRA);
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} else if (s->plugin_info.color_model == F0R_COLOR_MODEL_RGBA8888) {
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ff_add_format(&formats, AV_PIX_FMT_RGBA);
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} else { /* F0R_COLOR_MODEL_PACKED32 */
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static const enum AVPixelFormat pix_fmts[] = {
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AV_PIX_FMT_BGRA, AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, AV_PIX_FMT_ARGB, AV_PIX_FMT_NONE
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};
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formats = ff_make_format_list(pix_fmts);
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}
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if (!formats)
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return AVERROR(ENOMEM);
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ff_set_common_formats(ctx, formats);
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return 0;
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}
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static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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{
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Frei0rContext *s = inlink->dst->priv;
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AVFilterLink *outlink = inlink->dst->outputs[0];
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AVFrame *out;
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
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if (!out) {
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av_frame_free(&in);
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return AVERROR(ENOMEM);
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}
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av_frame_copy_props(out, in);
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s->update(s->instance, in->pts * av_q2d(inlink->time_base) * 1000,
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(const uint32_t *)in->data[0],
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(uint32_t *)out->data[0]);
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av_frame_free(&in);
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return ff_filter_frame(outlink, out);
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}
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#define OFFSET(x) offsetof(Frei0rContext, x)
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#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
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static const AVOption frei0r_options[] = {
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{ "filter_name", NULL, OFFSET(dl_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
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{ "filter_params", NULL, OFFSET(params), AV_OPT_TYPE_STRING, .flags = FLAGS },
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{ NULL }
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};
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AVFILTER_DEFINE_CLASS(frei0r);
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static const AVFilterPad avfilter_vf_frei0r_inputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.config_props = config_input_props,
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.filter_frame = filter_frame,
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},
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{ NULL }
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};
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static const AVFilterPad avfilter_vf_frei0r_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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},
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{ NULL }
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};
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AVFilter ff_vf_frei0r = {
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.name = "frei0r",
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.description = NULL_IF_CONFIG_SMALL("Apply a frei0r effect."),
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.query_formats = query_formats,
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.init = filter_init,
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.uninit = uninit,
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.priv_size = sizeof(Frei0rContext),
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.priv_class = &frei0r_class,
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.inputs = avfilter_vf_frei0r_inputs,
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.outputs = avfilter_vf_frei0r_outputs,
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};
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static av_cold int source_init(AVFilterContext *ctx)
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{
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Frei0rContext *s = ctx->priv;
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s->time_base.num = s->framerate.den;
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s->time_base.den = s->framerate.num;
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|
|
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->sample_aspect_ratio = (AVRational){1,1};
|
|
|
|
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);
|
|
}
|
|
|
|
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 frei0r_src_options[] = {
|
|
{ "size", "Dimensions of the generated video.", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str = "320x240" }, .flags = FLAGS },
|
|
{ "framerate", NULL, OFFSET(framerate), AV_OPT_TYPE_VIDEO_RATE, { .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 },
|
|
};
|
|
|
|
AVFILTER_DEFINE_CLASS(frei0r_src);
|
|
|
|
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 = &frei0r_src_class,
|
|
.init = source_init,
|
|
.uninit = uninit,
|
|
.query_formats = query_formats,
|
|
.inputs = NULL,
|
|
.outputs = avfilter_vsrc_frei0r_src_outputs,
|
|
};
|