mirror of https://git.ffmpeg.org/ffmpeg.git
96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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,
|
|
* 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
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/avassert.h"
|
|
#include "avdevice.h"
|
|
#include "config.h"
|
|
|
|
unsigned avdevice_version(void)
|
|
{
|
|
av_assert0(LIBAVDEVICE_VERSION_MICRO >= 100);
|
|
return LIBAVDEVICE_VERSION_INT;
|
|
}
|
|
|
|
const char * avdevice_configuration(void)
|
|
{
|
|
return FFMPEG_CONFIGURATION;
|
|
}
|
|
|
|
const char * avdevice_license(void)
|
|
{
|
|
#define LICENSE_PREFIX "libavdevice license: "
|
|
return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
|
|
}
|
|
|
|
int avdevice_app_to_dev_control_message(struct AVFormatContext *s, enum AVAppToDevMessageType type,
|
|
void *data, size_t data_size)
|
|
{
|
|
if (!s->oformat || !s->oformat->control_message)
|
|
return AVERROR(ENOSYS);
|
|
return s->oformat->control_message(s, type, data, data_size);
|
|
}
|
|
|
|
int avdevice_dev_to_app_control_message(struct AVFormatContext *s, enum AVDevToAppMessageType type,
|
|
void *data, size_t data_size)
|
|
{
|
|
if (!s->control_message_cb)
|
|
return AVERROR(ENOSYS);
|
|
return s->control_message_cb(s, type, data, data_size);
|
|
}
|
|
|
|
int avdevice_list_devices(AVFormatContext *s, AVDeviceInfoList **device_list)
|
|
{
|
|
av_assert0(s);
|
|
av_assert0(device_list);
|
|
av_assert0(s->oformat || s->iformat);
|
|
if ((s->oformat && !s->oformat->get_device_list) ||
|
|
(s->iformat && !s->iformat->get_device_list)) {
|
|
*device_list = NULL;
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
*device_list = av_mallocz(sizeof(AVDeviceInfoList));
|
|
if (!(*device_list))
|
|
return AVERROR(ENOMEM);
|
|
if (s->oformat)
|
|
return s->oformat->get_device_list(s, *device_list);
|
|
return s->iformat->get_device_list(s, *device_list);
|
|
}
|
|
|
|
void avdevice_free_list_devices(AVDeviceInfoList **device_list)
|
|
{
|
|
AVDeviceInfoList *list;
|
|
AVDeviceInfo *dev;
|
|
int i;
|
|
|
|
av_assert0(device_list);
|
|
list = *device_list;
|
|
if (!list)
|
|
return;
|
|
|
|
for (i = 0; i < list->nb_devices; i++) {
|
|
dev = list->devices[i];
|
|
if (dev) {
|
|
av_free(dev->device_name);
|
|
av_free(dev->device_description);
|
|
av_free(dev);
|
|
}
|
|
}
|
|
av_free(list->devices);
|
|
av_freep(device_list);
|
|
}
|