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encoders/ffmpeg: Add support for re-configuration of encoders

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This commit is contained in:
Michael Fabian 'Xaymar' Dirks 2021-12-03 07:13:08 +01:00
parent 977716d679
commit 19689d1a11
3 changed files with 90 additions and 60 deletions
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143
source/encoders/encoder-ffmpeg.cpp
View file

@ -191,78 +191,98 @@ void ffmpeg_instance::migrate(obs_data_t* settings, uint64_t version)
bool ffmpeg_instance::update(obs_data_t* settings)
{
// FFmpeg Options
_context->debug = 0;
_context->strict_std_compliance = FF_COMPLIANCE_NORMAL;
bool support_reconfig = false;
bool support_reconfig_threads = false;
bool support_reconfig_gpu = false;
bool support_reconfig_keyframes = false;
if (_handler) {
support_reconfig = _handler->supports_reconfigure(_factory, support_reconfig_threads, support_reconfig_gpu,
support_reconfig_keyframes);
}
/// Threading
if (!_hwinst) {
_context->thread_type = 0;
if (_codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) {
_context->thread_type |= FF_THREAD_FRAME;
}
if (_codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) {
_context->thread_type |= FF_THREAD_SLICE;
}
if (_context->thread_type != 0) {
int64_t threads = obs_data_get_int(settings, ST_I18N_FFMPEG_THREADS);
if (threads > 0) {
_context->thread_count = static_cast<int>(threads);
} else {
_context->thread_count = static_cast<int>(std::thread::hardware_concurrency());
if (!_context->internal) {
// FFmpeg Options
_context->debug = 0;
_context->strict_std_compliance = FF_COMPLIANCE_NORMAL;
}
if (!_context->internal || (support_reconfig && support_reconfig_threads)) {
/// Threading
if (!_hwinst) {
_context->thread_type = 0;
if (_codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) {
_context->thread_type |= FF_THREAD_FRAME;
}
if (_codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) {
_context->thread_type |= FF_THREAD_SLICE;
}
if (_context->thread_type != 0) {
int64_t threads = obs_data_get_int(settings, ST_I18N_FFMPEG_THREADS);
if (threads > 0) {
_context->thread_count = static_cast<int>(threads);
} else {
_context->thread_count = static_cast<int>(std::thread::hardware_concurrency());
}
} else {
_context->thread_count = 1;
}
// Frame Delay (Lag In Frames)
_context->delay = _context->thread_count;
} else {
_context->thread_count = 1;
_context->delay = 0;
}
// Frame Delay (Lag In Frames)
_context->delay = _context->thread_count;
} else {
_context->delay = 0;
}
// Apply GPU Selection
if (!_hwinst && ::streamfx::ffmpeg::tools::can_hardware_encode(_codec)) {
av_opt_set_int(_context, "gpu", (int)obs_data_get_int(settings, ST_KEY_FFMPEG_GPU), AV_OPT_SEARCH_CHILDREN);
if (!_context->internal || (support_reconfig && support_reconfig_gpu)) {
// Apply GPU Selection
if (!_hwinst && ::streamfx::ffmpeg::tools::can_hardware_encode(_codec)) {
av_opt_set_int(_context, "gpu", (int)obs_data_get_int(settings, ST_KEY_FFMPEG_GPU), AV_OPT_SEARCH_CHILDREN);
}
}
// Keyframes
if (_handler && _handler->has_keyframe_support(_factory)) {
// Key-Frame Options
obs_video_info ovi;
if (!obs_get_video_info(&ovi)) {
throw std::runtime_error("obs_get_video_info failed, restart OBS Studio to fix it (hopefully).");
if (!_context->internal || (support_reconfig && support_reconfig_keyframes)) {
// Keyframes
if (_handler && _handler->has_keyframe_support(_factory)) {
// Key-Frame Options
obs_video_info ovi;
if (!obs_get_video_info(&ovi)) {
throw std::runtime_error("obs_get_video_info failed, restart OBS Studio to fix it (hopefully).");
}
int64_t kf_type = obs_data_get_int(settings, ST_KEY_KEYFRAMES_INTERVALTYPE);
bool is_seconds = (kf_type == 0);
if (is_seconds) {
_context->gop_size = static_cast<int>(obs_data_get_double(settings, ST_KEY_KEYFRAMES_INTERVAL_SECONDS)
* (ovi.fps_num / ovi.fps_den));
} else {
_context->gop_size = static_cast<int>(obs_data_get_int(settings, ST_KEY_KEYFRAMES_INTERVAL_FRAMES));
}
_context->keyint_min = _context->gop_size;
}
}
if (!_context->internal || support_reconfig) {
// Handler Options
if (_handler)
_handler->update(settings, _codec, _context);
{ // FFmpeg Custom Options
const char* opts = obs_data_get_string(settings, ST_KEY_FFMPEG_CUSTOMSETTINGS);
std::size_t opts_len = strnlen(opts, 65535);
parse_ffmpeg_commandline(std::string{opts, opts + opts_len});
}
int64_t kf_type = obs_data_get_int(settings, ST_KEY_KEYFRAMES_INTERVALTYPE);
bool is_seconds = (kf_type == 0);
if (is_seconds) {
_context->gop_size = static_cast<int>(obs_data_get_double(settings, ST_KEY_KEYFRAMES_INTERVAL_SECONDS)
* (ovi.fps_num / ovi.fps_den));
} else {
_context->gop_size = static_cast<int>(obs_data_get_int(settings, ST_KEY_KEYFRAMES_INTERVAL_FRAMES));
}
_context->keyint_min = _context->gop_size;
// Handler Overrides
if (_handler)
_handler->override_update(this, settings);
}
// Handler Options
if (_handler)
_handler->update(settings, _codec, _context);
{ // FFmpeg Custom Options
const char* opts = obs_data_get_string(settings, ST_KEY_FFMPEG_CUSTOMSETTINGS);
std::size_t opts_len = strnlen(opts, 65535);
parse_ffmpeg_commandline(std::string{opts, opts + opts_len});
}
// Handler Overrides
if (_handler)
_handler->override_update(this, settings);
// Handler Logging
if (_handler) {
DLOG_INFO("[%s] Initializing...", _codec->name);
if (!_context->internal || support_reconfig) {
DLOG_INFO("[%s] Configuration:", _codec->name);
DLOG_INFO("[%s] FFmpeg:", _codec->name);
DLOG_INFO("[%s] Custom Settings: %s", _codec->name,
obs_data_get_string(settings, ST_KEY_FFMPEG_CUSTOMSETTINGS));
@ -302,7 +322,10 @@ bool ffmpeg_instance::update(obs_data_t* settings)
} else {
DLOG_INFO("[%s] Distance: %i frames", _codec->name, _context->gop_size);
}
_handler->log_options(settings, _codec, _context);
if (_handler) {
_handler->log_options(settings, _codec, _context);
}
}
return true;

5
source/encoders/handlers/handler.cpp
View file

@ -43,3 +43,8 @@ bool handler::handler::has_pixel_format_support(ffmpeg_factory* instance)
{
return (instance->get_avcodec()->pix_fmts != nullptr);
}
bool handler::handler::supports_reconfigure(ffmpeg_factory* instance, bool& threads, bool& gpu, bool& keyframes)
{
return false;
}

2
source/encoders/handlers/handler.hpp
View file

@ -61,6 +61,8 @@ namespace streamfx::encoder::ffmpeg {
virtual bool has_pixel_format_support(ffmpeg_factory* instance);
virtual bool supports_reconfigure(ffmpeg_factory* instance, bool& threads, bool& gpu, bool& keyframes);
public /*settings*/:
virtual void get_properties(obs_properties_t* props, const AVCodec* codec, AVCodecContext* context,
bool hw_encode){};