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MediaCapture/FFmpeg: Default to VP9

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Stenzek 2025-05-17 21:56:27 +10:00
parent 6baea54e9d
commit e40bd20ea8
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1 changed files with 11 additions and 4 deletions
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15
src/util/media_capture.cpp
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@ -22,6 +22,7 @@
#include <algorithm>
#include <atomic>
#include <condition_variable>
#include <cstdlib>
#include <cstring>
#include <deque>
#include <limits>
@ -2112,10 +2113,16 @@ bool MediaCaptureFFmpeg::InternalBeginCapture(float fps, float aspect, u32 sampl
}
}
// FFmpeg decides whether mp4, mkv, etc should use h264 or mpeg4 as their default codec by whether x264 was enabled
// But there's a lot of other h264 encoders (e.g. hardware encoders) we may want to use instead
if (!vcodec && wrap_avformat_query_codec(output_format, AV_CODEC_ID_H264, FF_COMPLIANCE_NORMAL))
vcodec = wrap_avcodec_find_encoder(AV_CODEC_ID_H264);
// Default to VP9, because there's no LGPL H.264 encoder. In Flatpak builds, openh264 should be available.
#ifdef __linux__
const AVCodecID default_video_codec = (std::getenv("container") != nullptr) ? AV_CODEC_ID_H264 : AV_CODEC_ID_VP9;
#else
constexpr AVCodecID default_video_codec = AV_CODEC_ID_VP9;
#endif
// Use container default if available.
if (!vcodec && wrap_avformat_query_codec(output_format, default_video_codec, FF_COMPLIANCE_NORMAL))
vcodec = wrap_avcodec_find_encoder(default_video_codec);
if (!vcodec)
vcodec = wrap_avcodec_find_encoder(output_format->video_codec);