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71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/******************************************************************************
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Copyright (C) 2023 by Dennis Sädtler <dennis@obsproject.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include "FFmpegFormat.hpp"
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#include "FFmpegCodec.hpp"
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using namespace std;
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static bool is_output_device(const AVClass *avclass)
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{
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if (!avclass) {
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return false;
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}
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switch (avclass->category) {
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case AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT:
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case AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT:
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case AV_CLASS_CATEGORY_DEVICE_OUTPUT:
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return true;
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default:
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return false;
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}
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}
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vector<FFmpegFormat> GetSupportedFormats()
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{
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vector<FFmpegFormat> formats;
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const AVOutputFormat *output_format;
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void *i = 0;
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while ((output_format = av_muxer_iterate(&i)) != nullptr) {
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if (is_output_device(output_format->priv_class)) {
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continue;
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}
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formats.emplace_back(output_format);
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}
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return formats;
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}
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FFmpegCodec FFmpegFormat::GetDefaultEncoder(FFmpegCodecType codec_type) const
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{
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const AVCodecID codec_id = codec_type == VIDEO ? video_codec : audio_codec;
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if (codec_type == UNKNOWN || codec_id == AV_CODEC_ID_NONE) {
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return {};
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}
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if (auto codec = avcodec_find_encoder(codec_id)) {
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return {codec};
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}
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/* Fall back to using the format name as the encoder,
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* this works for some formats such as FLV. */
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return FFmpegCodec{name, codec_id, codec_type};
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}
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