mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
caaeaff223
Reorganise the SPA includes to make it more extensible later Simplify the naming of the buffer and meta params
113 lines
3 KiB
C
113 lines
3 KiB
C
/* Spa V4l2 support
|
|
* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <spa/support/plugin.h>
|
|
#include <spa/node/node.h>
|
|
|
|
#include <libavcodec/avcodec.h>
|
|
#include <libavformat/avformat.h>
|
|
|
|
int spa_ffmpeg_dec_init(struct spa_handle *handle, const struct spa_dict *info,
|
|
const struct spa_support *support, uint32_t n_support);
|
|
int spa_ffmpeg_enc_init(struct spa_handle *handle, const struct spa_dict *info,
|
|
const struct spa_support *support, uint32_t n_support);
|
|
|
|
static int
|
|
ffmpeg_dec_init(const struct spa_handle_factory *factory,
|
|
struct spa_handle *handle,
|
|
const struct spa_dict *info,
|
|
const struct spa_support *support,
|
|
uint32_t n_support)
|
|
{
|
|
if (factory == NULL || handle == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
return spa_ffmpeg_dec_init(handle, info, support, n_support);
|
|
}
|
|
|
|
static int
|
|
ffmpeg_enc_init(const struct spa_handle_factory *factory,
|
|
struct spa_handle *handle,
|
|
const struct spa_dict *info,
|
|
const struct spa_support *support,
|
|
uint32_t n_support)
|
|
{
|
|
if (factory == NULL || handle == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
return spa_ffmpeg_enc_init(handle, info, support, n_support);
|
|
}
|
|
|
|
static const struct spa_interface_info ffmpeg_interfaces[] = {
|
|
{SPA_TYPE__Node, },
|
|
};
|
|
|
|
static int
|
|
ffmpeg_enum_interface_info(const struct spa_handle_factory *factory,
|
|
const struct spa_interface_info **info,
|
|
uint32_t index)
|
|
{
|
|
if (factory == NULL || info == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
if (index >= 1)
|
|
return SPA_RESULT_ENUM_END;
|
|
|
|
*info = &ffmpeg_interfaces[index];
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
int spa_handle_factory_enum(const struct spa_handle_factory **factory, uint32_t index)
|
|
{
|
|
static const AVCodec *c = NULL;
|
|
static int ci = 0;
|
|
static struct spa_handle_factory f;
|
|
static char name[128];
|
|
|
|
av_register_all();
|
|
|
|
if (index == 0) {
|
|
c = av_codec_next(NULL);
|
|
ci = 0;
|
|
}
|
|
while (index > ci && c) {
|
|
c = av_codec_next(c);
|
|
ci++;
|
|
}
|
|
if (c == NULL)
|
|
return SPA_RESULT_ENUM_END;
|
|
|
|
if (av_codec_is_encoder(c)) {
|
|
snprintf(name, 128, "ffenc_%s", c->name);
|
|
f.init = ffmpeg_enc_init;
|
|
} else {
|
|
snprintf(name, 128, "ffdec_%s", c->name);
|
|
f.init = ffmpeg_dec_init;
|
|
}
|
|
f.name = name;
|
|
f.info = NULL;
|
|
f.enum_interface_info = ffmpeg_enum_interface_info;
|
|
|
|
*factory = &f;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|