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