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/*
* This file is part of mpv.
*
* mpv 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.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libavutil/channel_layout.h>
#include "chmap.h"
#include "chmap_avchannel.h"
bool mp_chmap_from_av_layout(struct mp_chmap *dst, const AVChannelLayout *src)
{
*dst = (struct mp_chmap) {0};
switch (src->order) {
case AV_CHANNEL_ORDER_UNSPEC:
mp_chmap_from_channels(dst, src->nb_channels);
return dst->num == src->nb_channels;
case AV_CHANNEL_ORDER_NATIVE:
mp_chmap_from_lavc(dst, src->u.mask);
return dst->num == src->nb_channels;
default:
// TODO: handle custom layouts
return false;
}
}
void mp_chmap_to_av_layout(AVChannelLayout *dst, const struct mp_chmap *src)
{
*dst = (AVChannelLayout){
.order = AV_CHANNEL_ORDER_UNSPEC,
.nb_channels = src->num,
};
// TODO: handle custom layouts
if (!mp_chmap_is_unknown(src)) {
av_channel_layout_from_mask(dst, mp_chmap_to_lavc(src));
}
}
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