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Don't fall back to undefined ref frame count on HEVC/AV1 if H.264 succeded with ref frame count specified

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I don't think there are any encoders out there that support this for some codecs and not others.
This commit is contained in:
Cameron Gutman 2024-01-24 21:49:25 -06:00
parent 38d45b39ae
commit aee88f336a
1 changed files with 14 additions and 2 deletions
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16
src/video.cpp
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@ -2479,7 +2479,13 @@ namespace video {
if (disp->is_codec_supported(encoder.hevc.name, config_autoselect)) {
retry_hevc:
auto max_ref_frames_hevc = validate_config(disp, encoder, config_max_ref_frames);
auto autoselect_hevc = max_ref_frames_hevc >= 0 ? max_ref_frames_hevc : validate_config(disp, encoder, config_autoselect);
// If H.264 succeeded with max ref frames specified, assume that we can count on
// HEVC to also succeed with max ref frames specified if HEVC is supported.
auto autoselect_hevc = (max_ref_frames_hevc >= 0 || max_ref_frames_h264 >= 0) ?
max_ref_frames_hevc :
validate_config(disp, encoder, config_autoselect);
if (autoselect_hevc < 0 && encoder.hevc.qp && encoder.hevc[encoder_t::CBR]) {
// It's possible the encoder isn't accepting Constant Bit Rate. Turn off CBR and make another attempt
encoder.hevc.capabilities.set();
@ -2511,7 +2517,13 @@ namespace video {
if (disp->is_codec_supported(encoder.av1.name, config_autoselect)) {
retry_av1:
auto max_ref_frames_av1 = validate_config(disp, encoder, config_max_ref_frames);
auto autoselect_av1 = max_ref_frames_av1 >= 0 ? max_ref_frames_av1 : validate_config(disp, encoder, config_autoselect);
// If H.264 succeeded with max ref frames specified, assume that we can count on
// AV1 to also succeed with max ref frames specified if AV1 is supported.
auto autoselect_av1 = (max_ref_frames_av1 >= 0 || max_ref_frames_h264 >= 0) ?
max_ref_frames_av1 :
validate_config(disp, encoder, config_autoselect);
if (autoselect_av1 < 0 && encoder.av1.qp && encoder.av1[encoder_t::CBR]) {
// It's possible the encoder isn't accepting Constant Bit Rate. Turn off CBR and make another attempt
encoder.av1.capabilities.set();