#include "ffmpeg_consumer.h"
#include "../ffmpeg_error.h"
+#include "../producer/util/util.h"
#include <common/except.h>
#include <common/executor.h>
#include <common/assert.h>
#include <common/utf.h>
#include <common/future.h>
+#include <common/diagnostics/graph.h>
#include <common/env.h>
#include <common/scope_exit.h>
+#include <common/ptree.h>
+#include <common/param.h>
+#include <common/semaphore.h>
#include <core/consumer/frame_consumer.h>
#include <core/frame/frame.h>
+#include <core/frame/audio_channel_layout.h>
#include <core/video_format.h>
#include <core/monitor/monitor.h>
+#include <core/help/help_repository.h>
+#include <core/help/help_sink.h>
#include <boost/noncopyable.hpp>
#include <boost/rational.hpp>
#pragma warning(push)
#pragma warning(disable: 4244)
-extern "C"
+extern "C"
{
#define __STDC_CONSTANT_MACROS
#define __STDC_LIMIT_MACROS
#pragma warning(pop)
-namespace caspar { namespace ffmpeg {
+namespace caspar { namespace ffmpeg { namespace {
-int crc16(const std::string& str)
+bool is_pcm_s24le_not_supported(const AVFormatContext& container)
{
- boost::crc_16_type result;
+ auto name = std::string(container.oformat->name);
- result.process_bytes(str.data(), str.length());
+ if (name == "mp4" || name == "dv")
+ return true;
- return result.checksum();
+ return false;
}
-class streaming_consumer final : public core::frame_consumer
+class ffmpeg_consumer
{
public:
// Static Members
-
+
private:
+ const spl::shared_ptr<diagnostics::graph> graph_;
core::monitor::subject subject_;
boost::filesystem::path path_;
- int consumer_index_offset_;
std::map<std::string, std::string> options_;
-
+
core::video_format_desc in_video_format_;
+ core::audio_channel_layout in_channel_layout_ = core::audio_channel_layout::invalid();
std::shared_ptr<AVFormatContext> oc_;
tbb::atomic<bool> abort_request_;
-
+
std::shared_ptr<AVStream> video_st_;
std::shared_ptr<AVStream> audio_st_;
std::int64_t video_pts_;
std::int64_t audio_pts_;
-
- AVFilterContext* audio_graph_in_;
- AVFilterContext* audio_graph_out_;
- std::shared_ptr<AVFilterGraph> audio_graph_;
- std::shared_ptr<AVBitStreamFilterContext> audio_bitstream_filter_;
-
- AVFilterContext* video_graph_in_;
- AVFilterContext* video_graph_out_;
- std::shared_ptr<AVFilterGraph> video_graph_;
- std::shared_ptr<AVBitStreamFilterContext> video_bitstream_filter_;
-
- executor executor_;
+
+ AVFilterContext* audio_graph_in_;
+ AVFilterContext* audio_graph_out_;
+ std::shared_ptr<AVFilterGraph> audio_graph_;
+
+ AVFilterContext* video_graph_in_;
+ AVFilterContext* video_graph_out_;
+ std::shared_ptr<AVFilterGraph> video_graph_;
executor video_encoder_executor_;
executor audio_encoder_executor_;
- tbb::atomic<int> tokens_;
- boost::mutex tokens_mutex_;
- boost::condition_variable tokens_cond_;
+ semaphore tokens_ { 0 };
+
+ tbb::atomic<int64_t> current_encoding_delay_;
executor write_executor_;
-
+
public:
- streaming_consumer(
- std::string path,
+ ffmpeg_consumer(
+ std::string path,
std::string options)
: path_(path)
- , consumer_index_offset_(crc16(path))
, video_pts_(0)
, audio_pts_(0)
- , executor_(print())
, audio_encoder_executor_(print() + L" audio_encoder")
, video_encoder_executor_(print() + L" video_encoder")
, write_executor_(print() + L" io")
- {
- abort_request_ = false;
+ {
+ abort_request_ = false;
+ current_encoding_delay_ = 0;
- for(auto it =
+ for(auto it =
boost::sregex_iterator(
- options.begin(),
- options.end(),
- boost::regex("-(?<NAME>[^-\\s]+)(\\s+(?<VALUE>[^\\s]+))?"));
- it != boost::sregex_iterator();
+ options.begin(),
+ options.end(),
+ boost::regex("-(?<NAME>[^-\\s]+)(\\s+(?<VALUE>[^\\s]+))?"));
+ it != boost::sregex_iterator();
++it)
- {
+ {
options_[(*it)["NAME"].str()] = (*it)["VALUE"].matched ? (*it)["VALUE"].str() : "";
}
-
+
if (options_.find("threads") == options_.end())
options_["threads"] = "auto";
- tokens_ =
+ tokens_.release(
std::max(
- 1,
+ 1,
try_remove_arg<int>(
- options_,
- boost::regex("tokens")).get_value_or(2));
+ options_,
+ boost::regex("tokens")).get_value_or(2)));
}
-
- ~streaming_consumer()
+
+ ~ffmpeg_consumer()
{
if(oc_)
{
void initialize(
const core::video_format_desc& format_desc,
- int channel_index) override
+ const core::audio_channel_layout& channel_layout)
{
try
- {
+ {
static boost::regex prot_exp("^.+:.*" );
-
- const auto overwrite =
- try_remove_arg<std::string>(
- options_,
- boost::regex("y")) != nullptr;
if(!boost::regex_match(
- path_.string(),
+ path_.string(),
prot_exp))
{
if(!path_.is_complete())
{
- path_ =
+ path_ =
u8(
- env::media_folder()) +
+ env::media_folder()) +
path_.string();
}
-
+
if(boost::filesystem::exists(path_))
- {
- if(!overwrite)
- BOOST_THROW_EXCEPTION(invalid_argument() << msg_info("File exists"));
-
boost::filesystem::remove(path_);
- }
}
-
- const auto oformat_name =
+
+ graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));
+ graph_->set_color("dropped-frame", diagnostics::color(0.3f, 0.6f, 0.3f));
+ graph_->set_text(print());
+ diagnostics::register_graph(graph_);
+
+ const auto oformat_name =
try_remove_arg<std::string>(
- options_,
+ options_,
boost::regex("^f|format$"));
-
+
AVFormatContext* oc;
FF(avformat_alloc_output_context2(
- &oc,
- nullptr,
- oformat_name && !oformat_name->empty() ? oformat_name->c_str() : nullptr,
+ &oc,
+ nullptr,
+ oformat_name && !oformat_name->empty() ? oformat_name->c_str() : nullptr,
path_.string().c_str()));
oc_.reset(
- oc,
+ oc,
avformat_free_context);
-
+
CASPAR_VERIFY(oc_->oformat);
- oc_->interrupt_callback.callback = streaming_consumer::interrupt_cb;
- oc_->interrupt_callback.opaque = this;
+ oc_->interrupt_callback.callback = ffmpeg_consumer::interrupt_cb;
+ oc_->interrupt_callback.opaque = this;
CASPAR_VERIFY(format_desc.format != core::video_format::invalid);
in_video_format_ = format_desc;
-
+ in_channel_layout_ = channel_layout;
+
CASPAR_VERIFY(oc_->oformat);
-
- const auto video_codec_name =
+
+ const auto video_codec_name =
try_remove_arg<std::string>(
- options_,
+ options_,
boost::regex("^c:v|codec:v|vcodec$"));
- const auto video_codec =
- video_codec_name
+ const auto video_codec =
+ video_codec_name
? avcodec_find_encoder_by_name(video_codec_name->c_str())
: avcodec_find_encoder(oc_->oformat->video_codec);
-
- const auto audio_codec_name =
+
+ const auto audio_codec_name =
try_remove_arg<std::string>(
- options_,
+ options_,
boost::regex("^c:a|codec:a|acodec$"));
-
- const auto audio_codec =
- audio_codec_name
+
+ const auto audio_codec =
+ audio_codec_name
? avcodec_find_encoder_by_name(audio_codec_name->c_str())
- : avcodec_find_encoder(oc_->oformat->audio_codec);
-
+ : (is_pcm_s24le_not_supported(*oc_)
+ ? avcodec_find_encoder(oc_->oformat->audio_codec)
+ : avcodec_find_encoder_by_name("pcm_s24le"));
+
if (!video_codec)
- BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(
+ CASPAR_THROW_EXCEPTION(user_error() << msg_info(
"Failed to find video codec " + (video_codec_name
? *video_codec_name
: "with id " + boost::lexical_cast<std::string>(
oc_->oformat->video_codec))));
if (!audio_codec)
- BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(
+ CASPAR_THROW_EXCEPTION(user_error() << msg_info(
"Failed to find audio codec " + (audio_codec_name
? *audio_codec_name
: "with id " + boost::lexical_cast<std::string>(
oc_->oformat->audio_codec))));
-
+
// Filters
{
configure_video_filters(
- *video_codec,
- try_remove_arg<std::string>(options_,
+ *video_codec,
+ try_remove_arg<std::string>(options_,
boost::regex("vf|f:v|filter:v")).get_value_or(""));
configure_audio_filters(
- *audio_codec,
+ *audio_codec,
try_remove_arg<std::string>(options_,
boost::regex("af|f:a|filter:a")).get_value_or(""));
}
- // Bistream Filters
- {
- configue_audio_bistream_filters(options_);
- configue_video_bistream_filters(options_);
- }
-
// Encoders
{
auto audio_options = options_;
video_st_ = open_encoder(
- *video_codec,
+ *video_codec,
video_options);
audio_st_ = open_encoder(
- *audio_codec,
+ *audio_codec,
audio_options);
auto it = options_.begin();
AVDictionary* av_opts = nullptr;
to_dict(
- &av_opts,
+ &av_opts,
std::move(options_));
CASPAR_SCOPE_EXIT
av_dict_free(&av_opts);
};
- if (!(oc_->oformat->flags & AVFMT_NOFILE))
+ if (!(oc_->oformat->flags & AVFMT_NOFILE))
{
FF(avio_open2(
- &oc_->pb,
- path_.string().c_str(),
- AVIO_FLAG_WRITE,
- &oc_->interrupt_callback,
+ &oc_->pb,
+ path_.string().c_str(),
+ AVIO_FLAG_WRITE,
+ &oc_->interrupt_callback,
&av_opts));
}
-
+
FF(avformat_write_header(
- oc_.get(),
+ oc_.get(),
&av_opts));
-
+
options_ = to_map(av_opts);
}
// Dump Info
-
+
av_dump_format(
- oc_.get(),
- 0,
- oc_->filename,
- 1);
+ oc_.get(),
+ 0,
+ oc_->filename,
+ 1);
for (const auto& option : options_)
{
- CASPAR_LOG(warning)
- << L"Invalid option: -"
- << u16(option.first)
- << L" "
+ CASPAR_LOG(warning)
+ << L"Invalid option: -"
+ << u16(option.first)
+ << L" "
<< u16(option.second);
}
}
}
}
- core::monitor::subject& monitor_output() override
+ core::monitor::subject& monitor_output()
{
return subject_;
}
- std::wstring name() const override
+ void send(core::const_frame frame)
{
- return L"streaming";
- }
-
- std::future<bool> send(core::const_frame frame) override
- {
CASPAR_VERIFY(in_video_format_.format != core::video_format::invalid);
-
- --tokens_;
+
+ auto frame_timer = spl::make_shared<caspar::timer>();
+
std::shared_ptr<void> token(
- nullptr,
- [this](void*)
+ nullptr,
+ [this, frame, frame_timer](void*)
{
- ++tokens_;
- tokens_cond_.notify_one();
+ tokens_.release();
+ current_encoding_delay_ = frame.get_age_millis();
+ graph_->set_value("frame-time", frame_timer->elapsed() * in_video_format_.fps * 0.5);
});
+ tokens_.acquire();
- return executor_.begin_invoke([=]() -> bool
+ video_encoder_executor_.begin_invoke([=]() mutable
{
- boost::unique_lock<boost::mutex> tokens_lock(tokens_mutex_);
-
- while(tokens_ < 0)
- tokens_cond_.wait(tokens_lock);
+ encode_video(
+ frame,
+ token);
+ });
- video_encoder_executor_.begin_invoke([=]() mutable
- {
- encode_video(
- frame,
- token);
- });
-
- audio_encoder_executor_.begin_invoke([=]() mutable
- {
- encode_audio(
- frame,
- token);
- });
-
- return true;
+ audio_encoder_executor_.begin_invoke([=]() mutable
+ {
+ encode_audio(
+ frame,
+ token);
});
}
- std::wstring print() const override
- {
- return L"streaming_consumer[" + u16(path_.string()) + L"]";
- }
-
- virtual boost::property_tree::wptree info() const override
+ bool ready_for_frame() const
{
- return boost::property_tree::wptree();
+ return tokens_.permits() > 0;
}
- bool has_synchronization_clock() const override
+ void mark_dropped()
{
- return false;
+ graph_->set_tag(diagnostics::tag_severity::WARNING, "dropped-frame");
}
- int buffer_depth() const override
+ std::wstring print() const
{
- return -1;
+ return L"ffmpeg_consumer[" + u16(path_.string()) + L"]";
}
- int index() const override
+ int64_t presentation_frame_age_millis() const
{
- return 100000 + consumer_index_offset_;
+ return current_encoding_delay_;
}
private:
static int interrupt_cb(void* ctx)
{
CASPAR_ASSERT(ctx);
- return reinterpret_cast<streaming_consumer*>(ctx)->abort_request_;
+ return reinterpret_cast<ffmpeg_consumer*>(ctx)->abort_request_;
}
-
+
std::shared_ptr<AVStream> open_encoder(
const AVCodec& codec,
std::map<std::string,
std::string>& options)
- {
- auto st =
+ {
+ auto st =
avformat_new_stream(
- oc_.get(),
+ oc_.get(),
&codec);
- if (!st)
- BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Could not allocate video-stream.") << boost::errinfo_api_function("av_new_stream"));
+ if (!st)
+ CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Could not allocate video-stream.") << boost::errinfo_api_function("avformat_new_stream"));
auto enc = st->codec;
-
+
CASPAR_VERIFY(enc);
-
+
switch(enc->codec_type)
{
case AVMEDIA_TYPE_VIDEO:
- {
- enc->time_base = video_graph_out_->inputs[0]->time_base;
- enc->pix_fmt = static_cast<AVPixelFormat>(video_graph_out_->inputs[0]->format);
- enc->sample_aspect_ratio = st->sample_aspect_ratio = video_graph_out_->inputs[0]->sample_aspect_ratio;
- enc->width = video_graph_out_->inputs[0]->w;
- enc->height = video_graph_out_->inputs[0]->h;
-
+ {
+ enc->time_base = video_graph_out_->inputs[0]->time_base;
+ enc->pix_fmt = static_cast<AVPixelFormat>(video_graph_out_->inputs[0]->format);
+ enc->sample_aspect_ratio = st->sample_aspect_ratio = video_graph_out_->inputs[0]->sample_aspect_ratio;
+ enc->width = video_graph_out_->inputs[0]->w;
+ enc->height = video_graph_out_->inputs[0]->h;
+ enc->bit_rate_tolerance = 400 * 1000000;
+
break;
}
case AVMEDIA_TYPE_AUDIO:
{
- enc->time_base = audio_graph_out_->inputs[0]->time_base;
- enc->sample_fmt = static_cast<AVSampleFormat>(audio_graph_out_->inputs[0]->format);
- enc->sample_rate = audio_graph_out_->inputs[0]->sample_rate;
- enc->channel_layout = audio_graph_out_->inputs[0]->channel_layout;
- enc->channels = audio_graph_out_->inputs[0]->channels;
-
+ enc->time_base = audio_graph_out_->inputs[0]->time_base;
+ enc->sample_fmt
= static_cast<AVSampleFormat>(audio_graph_out_->inputs[0]->format);
+ enc->sample_rate = audio_graph_out_->inputs[0]->sample_rate;
+ enc->channel_layout = audio_graph_out_->inputs[0]->channel_layout;
+ enc->channels = audio_graph_out_->inputs[0]->channels;
+
break;
}
}
-
+
if(oc_->oformat->flags & AVFMT_GLOBALHEADER)
enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
+
static const std::array<std::string, 4> char_id_map = {{"v", "a", "d", "s"}};
const auto char_id = char_id_map.at(enc->codec_type);
-
- const auto codec_opts =
+
+ const auto codec_opts =
remove_options(
- options,
+ options,
boost::regex("^(" + char_id + "?[^:]+):" + char_id + "$"));
-
+
AVDictionary* av_codec_opts = nullptr;
to_dict(
- &av_codec_opts,
+ &av_codec_opts,
options);
to_dict(
codec_opts);
options.clear();
-
+
FF(avcodec_open2(
- enc,
- &codec,
- av_codec_opts ? &av_codec_opts : nullptr));
+ enc,
+ &codec,
+ av_codec_opts ? &av_codec_opts : nullptr));
if(av_codec_opts)
{
- auto t =
+ auto t =
av_dict_get(
- av_codec_opts,
- "",
- nullptr,
+ av_codec_opts,
+ "",
+ nullptr,
AV_DICT_IGNORE_SUFFIX);
while(t)
options[t->key + (codec_opts.find(t->key) != codec_opts.end() ? ":" + char_id : "")] = t->value;
t = av_dict_get(
- av_codec_opts,
- "",
- t,
+ av_codec_opts,
+ "",
+ t,
AV_DICT_IGNORE_SUFFIX);
}
av_dict_free(&av_codec_opts);
}
-
+
if(enc->codec_type == AVMEDIA_TYPE_AUDIO && !(codec.capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
{
CASPAR_ASSERT(enc->frame_size > 0);
- av_buffersink_set_frame_size(audio_graph_out_,
+ av_buffersink_set_frame_size(audio_graph_out_,
enc->frame_size);
}
-
+
return std::shared_ptr<AVStream>(st, [this](AVStream* st)
{
avcodec_close(st->codec);
});
}
- void configue_audio_bistream_filters(
- std::map<std::string, std::string>& options)
- {
- const auto audio_bitstream_filter_str =
- try_remove_arg<std::string>(
- options,
- boost::regex("^bsf:a|absf$"));
-
- const auto audio_bitstream_filter =
- audio_bitstream_filter_str
- ? av_bitstream_filter_init(audio_bitstream_filter_str->c_str())
- : nullptr;
-
- CASPAR_VERIFY(!audio_bitstream_filter_str || audio_bitstream_filter);
-
- if(audio_bitstream_filter)
- {
- audio_bitstream_filter_.reset(
- audio_bitstream_filter,
- av_bitstream_filter_close);
- }
-
- if(audio_bitstream_filter_str && !audio_bitstream_filter_)
- options["bsf:a"] = *audio_bitstream_filter_str;
- }
-
- void configue_video_bistream_filters(
- std::map<std::string, std::string>& options)
- {
- const auto video_bitstream_filter_str =
- try_remove_arg<std::string>(
- options,
- boost::regex("^bsf:v|vbsf$"));
-
- const auto video_bitstream_filter =
- video_bitstream_filter_str
- ? av_bitstream_filter_init(video_bitstream_filter_str->c_str())
- : nullptr;
-
- CASPAR_VERIFY(!video_bitstream_filter_str || video_bitstream_filter);
-
- if(video_bitstream_filter)
- {
- video_bitstream_filter_.reset(
- video_bitstream_filter,
- av_bitstream_filter_close);
- }
-
- if(video_bitstream_filter_str && !video_bitstream_filter_)
- options["bsf:v"] = *video_bitstream_filter_str;
- }
-
void configure_video_filters(
const AVCodec& codec,
const std::string& filtergraph)
{
video_graph_.reset(
- avfilter_graph_alloc(),
+ avfilter_graph_alloc(),
[](AVFilterGraph* p)
{
avfilter_graph_free(&p);
});
-
+
video_graph_->nb_threads = boost::thread::hardware_concurrency()/2;
video_graph_->thread_type = AVFILTER_THREAD_SLICE;
boost::rational<int>(
in_video_format_.width,
in_video_format_.height);
-
+
const auto vsrc_options = (boost::format("video_size=%1%x%2%:pix_fmt=%3%:time_base=%4%/%5%:pixel_aspect=%6%/%7%:frame_rate=%8%/%9%")
% in_video_format_.width % in_video_format_.height
% AV_PIX_FMT_BGRA
% in_video_format_.duration % in_video_format_.time_scale
% sample_aspect_ratio.numerator() % sample_aspect_ratio.denominator()
% in_video_format_.time_scale % in_video_format_.duration).str();
-
- AVFilterContext* filt_vsrc = nullptr;
+
+ AVFilterContext* filt_vsrc = nullptr;
FF(avfilter_graph_create_filter(
&filt_vsrc,
- avfilter_get_by_name("buffer"),
+ avfilter_get_by_name("buffer"),
"ffmpeg_consumer_buffer",
- vsrc_options.c_str(),
- nullptr,
+ vsrc_options.c_str(),
+ nullptr,
video_graph_.get()));
-
+
AVFilterContext* filt_vsink = nullptr;
FF(avfilter_graph_create_filter(
&filt_vsink,
- avfilter_get_by_name("buffersink"),
+ avfilter_get_by_name("buffersink"),
"ffmpeg_consumer_buffersink",
- nullptr,
- nullptr,
+ nullptr,
+ nullptr,
video_graph_.get()));
-
+
#pragma warning (push)
#pragma warning (disable : 4245)
FF(av_opt_set_int_list(
- filt_vsink,
- "pix_fmts",
- codec.pix_fmts,
+ filt_vsink,
+ "pix_fmts",
+ codec.pix_fmts,
-1,
AV_OPT_SEARCH_CHILDREN));
#pragma warning (pop)
-
+
configure_filtergraph(
- *video_graph_,
+ *video_graph_,
filtergraph,
*filt_vsrc,
*filt_vsink);
video_graph_in_ = filt_vsrc;
video_graph_out_ = filt_vsink;
-
+
CASPAR_LOG(info)
- << u16(std::string("\n")
+ << u16(std::string("\n")
+ avfilter_graph_dump(
- video_graph_.get(),
+ video_graph_.get(),
nullptr));
}
const std::string& filtergraph)
{
audio_graph_.reset(
- avfilter_graph_alloc(),
+ avfilter_graph_alloc(),
[](AVFilterGraph* p)
{
avfilter_graph_free(&p);
});
-
+
audio_graph_->nb_threads = boost::thread::hardware_concurrency()/2;
audio_graph_->thread_type = AVFILTER_THREAD_SLICE;
-
+
const auto asrc_options = (boost::format("sample_rate=%1%:sample_fmt=%2%:channels=%3%:time_base=%4%/%5%:channel_layout=%6%")
% in_video_format_.audio_sample_rate
% av_get_sample_fmt_name(AV_SAMPLE_FMT_S32)
- % in_video_format_.audio_channels
+ % in_channel_layout_.num_channels
% 1 % in_video_format_.audio_sample_rate
% boost::io::group(
- std::hex,
- std::showbase,
- av_get_default_channel_layout(in_video_format_.audio_channels))).str();
+ std::hex,
+ std::showbase,
+ av_get_default_channel_layout(in_channel_layout_.num_channels))).str();
AVFilterContext* filt_asrc = nullptr;
FF(avfilter_graph_create_filter(
&filt_asrc,
- avfilter_get_by_name("abuffer"),
+ avfilter_get_by_name("abuffer"),
"ffmpeg_consumer_abuffer",
- asrc_options.c_str(),
- nullptr,
+ asrc_options.c_str(),
+ nullptr,
audio_graph_.get()));
-
+
AVFilterContext* filt_asink = nullptr;
FF(avfilter_graph_create_filter(
&filt_asink,
- avfilter_get_by_name("abuffersink"),
+ avfilter_get_by_name("abuffersink"),
"ffmpeg_consumer_abuffersink",
- nullptr,
- nullptr,
+ nullptr,
+ nullptr,
audio_graph_.get()));
-
+
#pragma warning (push)
#pragma warning (disable : 4245)
FF(av_opt_set_int(
- filt_asink,
+ filt_asink,
"all_channel_counts",
- 1,
+ 1,
AV_OPT_SEARCH_CHILDREN));
FF(av_opt_set_int_list(
- filt_asink,
- "sample_fmts",
- codec.sample_fmts,
- -1,
+ filt_asink,
+ "sample_fmts",
+ codec.sample_fmts,
+ -1,
AV_OPT_SEARCH_CHILDREN));
FF(av_opt_set_int_list(
filt_asink,
- "channel_layouts",
- codec.channel_layouts,
- -1,
+ "channel_layouts",
+ codec.channel_layouts,
+ -1,
AV_OPT_SEARCH_CHILDREN));
FF(av_opt_set_int_list(
- filt_asink,
- "sample_rates" ,
- codec.supported_samplerates,
- -1,
+ filt_asink,
+ "sample_rates" ,
+ codec.supported_samplerates,
+ -1,
AV_OPT_SEARCH_CHILDREN));
#pragma warning (pop)
-
+
configure_filtergraph(
- *audio_graph_,
- filtergraph,
- *filt_asrc,
+ *audio_graph_,
+ filtergraph,
+ *filt_asrc,
*filt_asink);
audio_graph_in_ = filt_asrc;
audio_graph_out_ = filt_asink;
- CASPAR_LOG(info)
- << u16(std::string("\n")
+ CASPAR_LOG(info)
+ << u16(std::string("\n")
+ avfilter_graph_dump(
- audio_graph_.get(),
+ audio_graph_.get(),
nullptr));
}
inputs->next = nullptr;
FF(avfilter_graph_parse(
- &graph,
- filtergraph.c_str(),
- &inputs,
- &outputs,
+ &graph,
+ filtergraph.c_str(),
+ inputs,
+ outputs,
nullptr));
- }
- else
+ }
+ else
{
FF(avfilter_link(
- &source_ctx,
- 0,
- &sink_ctx,
+ &source_ctx,
+ 0,
+ &sink_ctx,
0));
}
FF(avfilter_graph_config(
- &graph,
+ &graph,
nullptr));
}
catch(...)
throw;
}
}
-
+
void encode_video(core::const_frame frame_ptr, std::shared_ptr<void> token)
- {
+ {
if(!video_st_)
return;
auto enc = video_st_->codec;
-
- std::shared_ptr<AVFrame> src_av_frame;
if(frame_ptr != core::const_frame::empty())
{
- src_av_frame.reset(
- av_frame_alloc(),
- [frame_ptr](AVFrame* frame)
- {
- av_frame_free(&frame);
- });
+ auto src_av_frame = create_frame();
- avcodec_get_frame_defaults(src_av_frame.get());
-
- const auto sample_aspect_ratio =
+ const auto sample_aspect_ratio =
boost::rational<int>(
- in_video_format_.square_width,
+ in_video_format_.square_width,
in_video_format_.square_height) /
boost::rational<int>(
- in_video_format_.width,
+ in_video_format_.width,
in_video_format_.height);
- src_av_frame->format = AV_PIX_FMT_BGRA;
- src_av_frame->width = in_video_format_.width;
- src_av_frame->height = in_video_format_.height;
- src_av_frame->sample_aspect_ratio.num = sample_aspect_ratio.numerator();
- src_av_frame->sample_aspect_ratio.den = sample_aspect_ratio.denominator();
- src_av_frame->pts = video_pts_;
+ src_av_frame->format = AV_PIX_FMT_BGRA;
+ src_av_frame->width = in_video_format_.width;
+ src_av_frame->height = in_video_format_.height;
+ src_av_frame->sample_aspect_ratio.num = sample_aspect_ratio.numerator();
+ src_av_frame->sample_aspect_ratio.den = sample_aspect_ratio.denominator();
+ src_av_frame->pts = video_pts_;
video_pts_ += 1;
src_av_frame->data,
src_av_frame->linesize,
frame_ptr.image_data().begin(),
- static_cast<AVPixelFormat>(src_av_frame->format),
- in_video_format_.width,
- in_video_format_.height,
+ static_cast<AVPixelFormat>(src_av_frame->format),
+ in_video_format_.width,
+ in_video_format_.height,
1));
FF(av_buffersrc_add_frame(
- video_graph_in_,
+ video_graph_in_,
src_av_frame.get()));
- }
+ }
int ret = 0;
while(ret >= 0)
{
- std::shared_ptr<AVFrame> filt_frame(
- av_frame_alloc(),
- [](AVFrame* p)
- {
- av_frame_free(&p);
- });
+ auto filt_frame = create_frame();
ret = av_buffersink_get_frame(
- video_graph_out_,
+ video_graph_out_,
filt_frame.get());
-
+
video_encoder_executor_.begin_invoke([=]
{
if(ret == AVERROR_EOF)
if(enc->codec->capabilities & CODEC_CAP_DELAY)
{
while(encode_av_frame(
- *video_st_,
- video_bitstream_filter_.get(),
- avcodec_encode_video2,
+ *video_st_,
+ avcodec_encode_video2,
nullptr, token))
{
boost::this_thread::yield(); // TODO:
}
- }
+ }
}
else if(ret != AVERROR(EAGAIN))
{
FF_RET(ret, "av_buffersink_get_frame");
-
- if (filt_frame->interlaced_frame)
+
+ if (filt_frame->interlaced_frame)
{
if (enc->codec->id == AV_CODEC_ID_MJPEG)
enc->field_order = filt_frame->top_field_first ? AV_FIELD_TT : AV_FIELD_BB;
else
enc->field_order = filt_frame->top_field_first ? AV_FIELD_TB : AV_FIELD_BT;
- }
+ }
else
enc->field_order = AV_FIELD_PROGRESSIVE;
if (!enc->me_threshold)
filt_frame->pict_type = AV_PICTURE_TYPE_NONE;
-
+
encode_av_frame(
*video_st_,
- video_bitstream_filter_.get(),
avcodec_encode_video2,
- filt_frame,
+ filt_frame,
token);
boost::this_thread::yield(); // TODO:
});
}
}
-
+
void encode_audio(core::const_frame frame_ptr, std::shared_ptr<void> token)
- {
+ {
if(!audio_st_)
return;
-
+
auto enc = audio_st_->codec;
-
- std::shared_ptr<AVFrame> src_av_frame;
if(frame_ptr != core::const_frame::empty())
{
- src_av_frame.reset(
- av_frame_alloc(),
- [](AVFrame* p)
- {
- av_frame_free(&p);
- });
-
- src_av_frame->channels = in_video_format_.audio_channels;
- src_av_frame->channel_layout = av_get_default_channel_layout(in_video_format_.audio_channels);
+ auto src_av_frame = create_frame();
+
+ src_av_frame->channels = in_channel_layout_.num_channels;
+ src_av_frame->channel_layout = av_get_default_channel_layout(in_channel_layout_.num_channels);
src_av_frame->sample_rate = in_video_format_.audio_sample_rate;
src_av_frame->nb_samples = static_cast<int>(frame_ptr.audio_data().size()) / src_av_frame->channels;
src_av_frame->format = AV_SAMPLE_FMT_S32;
src_av_frame->nb_samples,
static_cast<AVSampleFormat>(src_av_frame->format),
16));
-
+
FF(av_buffersrc_add_frame(
- audio_graph_in_,
+ audio_graph_in_,
src_av_frame.get()));
}
while(ret >= 0)
{
- std::shared_ptr<AVFrame> filt_frame(
- av_frame_alloc(),
- [](AVFrame* p)
- {
- av_frame_free(&p);
- });
+ auto filt_frame = create_frame();
ret = av_buffersink_get_frame(
- audio_graph_out_,
+ audio_graph_out_,
filt_frame.get());
-
+
audio_encoder_executor_.begin_invoke([=]
- {
+ {
if(ret == AVERROR_EOF)
{
if(enc->codec->capabilities & CODEC_CAP_DELAY)
{
while(encode_av_frame(
- *audio_st_,
- audio_bitstream_filter_.get(),
- avcodec_encode_audio2,
- nullptr,
+ *audio_st_,
+ avcodec_encode_audio2,
+ nullptr,
token))
{
boost::this_thread::yield(); // TODO:
else if(ret != AVERROR(EAGAIN))
{
FF_RET(
- ret,
+ ret,
"av_buffersink_get_frame");
encode_av_frame(
- *audio_st_,
- audio_bitstream_filter_.get(),
- avcodec_encode_audio2,
- filt_frame,
+ *audio_st_,
+ avcodec_encode_audio2,
+ filt_frame,
token);
boost::this_thread::yield(); // TODO:
});
}
}
-
+
template<typename F>
bool encode_av_frame(
AVStream& st,
- AVBitStreamFilterContext* bsfc,
- const F& func,
- const std::shared_ptr<AVFrame>& src_av_frame,
+ const F& func,
+ const std::shared_ptr<AVFrame>& src_av_frame,
std::shared_ptr<void> token)
{
AVPacket pkt = {};
int got_packet = 0;
FF(func(
- st.codec,
- &pkt,
- src_av_frame.get(),
+ st.codec,
+ &pkt,
+ src_av_frame.get(),
&got_packet));
-
+
if(!got_packet || pkt.size <= 0)
return false;
-
- pkt.stream_index = st.index;
-
- if(bsfc)
- {
- auto new_pkt = pkt;
-
- auto a = av_bitstream_filter_filter(
- bsfc,
- st.codec,
- nullptr,
- &new_pkt.data,
- &new_pkt.size,
- pkt.data,
- pkt.size,
- pkt.flags & AV_PKT_FLAG_KEY);
-
- if(a == 0 && new_pkt.data != pkt.data && new_pkt.destruct)
- {
- auto t = reinterpret_cast<std::uint8_t*>(av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE));
-
- if(t)
- {
- memcpy(
- t,
- new_pkt.data,
- new_pkt.size);
-
- memset(
- t + new_pkt.size,
- 0,
- FF_INPUT_BUFFER_PADDING_SIZE);
-
- new_pkt.data = t;
- new_pkt.buf = nullptr;
- }
- else
- a = AVERROR(ENOMEM);
- }
- av_free_packet(&pkt);
-
- FF_RET(
- a,
- "av_bitstream_filter_filter");
-
- new_pkt.buf =
- av_buffer_create(
- new_pkt.data,
- new_pkt.size,
- av_buffer_default_free,
- nullptr,
- 0);
-
- CASPAR_VERIFY(new_pkt.buf);
+ pkt.stream_index = st.index;
- pkt = new_pkt;
- }
-
if (pkt.pts != AV_NOPTS_VALUE)
{
- pkt.pts =
+ pkt.pts =
av_rescale_q(
pkt.pts,
- st.codec->time_base,
+ st.codec->time_base,
st.time_base);
}
if (pkt.dts != AV_NOPTS_VALUE)
{
- pkt.dts =
+ pkt.dts =
av_rescale_q(
- pkt.dts,
- st.codec->time_base,
+ pkt.dts,
+ st.codec->time_base,
st.time_base);
}
-
- pkt.duration =
+
+ pkt.duration =
static_cast<int>(
av_rescale_q(
- pkt.duration,
+ pkt.duration,
st.codec->time_base, st.time_base));
write_packet(
std::shared_ptr<AVPacket>(
- new AVPacket(pkt),
+ new AVPacket(pkt),
[](AVPacket* p)
{
- av_free_packet(p);
+ av_free_packet(p);
delete p;
}), token);
void write_packet(
const std::shared_ptr<AVPacket>& pkt_ptr,
std::shared_ptr<void> token)
- {
+ {
write_executor_.begin_invoke([this, pkt_ptr, token]() mutable
{
FF(av_interleaved_write_frame(
- oc_.get(),
+ oc_.get(),
pkt_ptr.get()));
- });
- }
-
+ });
+ }
+
template<typename T>
static boost::optional<T> try_remove_arg(
- std::map<std::string, std::string>& options,
+ std::map<std::string, std::string>& options,
const boost::regex& expr)
{
for(auto it = options.begin(); it != options.end(); ++it)
- {
+ {
if(boost::regex_search(it->first, expr))
{
auto arg = it->second;
return boost::optional<T>();
}
-
+
static std::map<std::string, std::string> remove_options(
- std::map<std::string, std::string>& options,
+ std::map<std::string, std::string>& options,
const boost::regex& expr)
{
std::map<std::string, std::string> result;
-
+
auto it = options.begin();
while(it != options.end())
- {
+ {
boost::smatch what;
if(boost::regex_search(it->first, what, expr))
{
result[
- what.size() > 0 && what[1].matched
- ? what[1].str()
+ what.size() > 0 && what[1].matched
+ ? what[1].str()
: it->first] = it->second;
it = options.erase(it);
}
return result;
}
-
+
static void to_dict(AVDictionary** dest, const std::map<std::string, std::string>& c)
- {
+ {
for (const auto& entry : c)
{
av_dict_set(
- dest,
- entry.first.c_str(),
+ dest,
+ entry.first.c_str(),
entry.second.c_str(), 0);
}
}
static std::map<std::string, std::string> to_map(AVDictionary* dict)
{
std::map<std::string, std::string> result;
-
- for(auto t = dict
+
+ for(auto t = dict
? av_dict_get(
- dict,
- "",
- nullptr,
- AV_DICT_IGNORE_SUFFIX)
+ dict,
+ "",
+ nullptr,
+ AV_DICT_IGNORE_SUFFIX)
: nullptr;
- t;
+ t;
t = av_dict_get(
- dict,
- "",
+ dict,
+ "",
t,
AV_DICT_IGNORE_SUFFIX))
{
return result;
}
};
-
+
+int crc16(const std::string& str)
+{
+ boost::crc_16_type result;
+
+ result.process_bytes(str.data(), str.length());
+
+ return result.checksum();
+}
+
+struct ffmpeg_consumer_proxy : public core::frame_consumer
+{
+ const std::string path_;
+ const std::string options_;
+ const bool separate_key_;
+ const bool compatibility_mode_;
+ int consumer_index_offset_;
+
+ std::unique_ptr<ffmpeg_consumer> consumer_;
+ std::unique_ptr<ffmpeg_consumer> key_only_consumer_;
+
+public:
+
+ ffmpeg_consumer_proxy(const std::string& path, const std::string& options, bool separate_key, bool compatibility_mode)
+ : path_(path)
+ , options_(options)
+ , separate_key_(separate_key)
+ , compatibility_mode_(compatibility_mode)
+ , consumer_index_offset_(crc16(path))
+ {
+ }
+
+ void initialize(const core::video_format_desc& format_desc, const core::audio_channel_layout& channel_layout, int) override
+ {
+ if (consumer_)
+ CASPAR_THROW_EXCEPTION(invalid_operation() << msg_info("Cannot reinitialize ffmpeg-consumer."));
+
+ consumer_.reset(new ffmpeg_consumer(path_, options_));
+ consumer_->initialize(format_desc, channel_layout);
+
+ if (separate_key_)
+ {
+ boost::filesystem::path fill_file(path_);
+ auto without_extension = u16(fill_file.parent_path().string() + "/" + fill_file.stem().string());
+ auto key_file = without_extension + L"_A" + u16(fill_file.extension().string());
+
+ key_only_consumer_.reset(new ffmpeg_consumer(u8(key_file), options_));
+ key_only_consumer_->initialize(format_desc, channel_layout);
+ }
+ }
+
+ int64_t presentation_frame_age_millis() const override
+ {
+ return consumer_ ? static_cast<int64_t>(consumer_->presentation_frame_age_millis()) : 0;
+ }
+
+ std::future<bool> send(core::const_frame frame) override
+ {
+ bool ready_for_frame = consumer_->ready_for_frame();
+
+ if (ready_for_frame && separate_key_)
+ ready_for_frame = ready_for_frame && key_only_consumer_->ready_for_frame();
+
+ if (ready_for_frame)
+ {
+ consumer_->send(frame);
+
+ if (separate_key_)
+ key_only_consumer_->send(frame.key_only());
+ }
+ else
+ {
+ consumer_->mark_dropped();
+
+ if (separate_key_)
+ key_only_consumer_->mark_dropped();
+ }
+
+ return make_ready_future(true);
+ }
+
+ std::wstring print() const override
+ {
+ return consumer_ ? consumer_->print() : L"[ffmpeg_consumer]";
+ }
+
+ std::wstring name() const override
+ {
+ return L"ffmpeg";
+ }
+
+ boost::property_tree::wptree info() const override
+ {
+ boost::property_tree::wptree info;
+ info.add(L"type", L"ffmpeg");
+ info.add(L"path", u16(path_));
+ info.add(L"separate_key", separate_key_);
+ return info;
+ }
+
+ bool has_synchronization_clock() const override
+ {
+ return false;
+ }
+
+ int buffer_depth() const override
+ {
+ return -1;
+ }
+
+ int index() const override
+ {
+ return compatibility_mode_ ? 200 : 100000 + consumer_index_offset_;
+ }
+
+ core::monitor::subject& monitor_output()
+ {
+ return consumer_->monitor_output();
+ }
+};
+
+}
+
+void describe_streaming_consumer(core::help_sink& sink, const core::help_repository& repo)
+{
+ sink.short_description(L"For streaming/recording the contents of a channel using FFmpeg.");
+ sink.syntax(L"FILE,STREAM [filename:string],[url:string] {-[ffmpeg_param1:string] [value1:string] {-[ffmpeg_param2:string] [value2:string] {...}}}");
+ sink.para()->text(L"For recording or streaming the contents of a channel using FFmpeg");
+ sink.definitions()
+ ->item(L"filename", L"The filename under the media folder including the extension (decides which kind of container format that will be used).")
+ ->item(L"url", L"If the filename is given in the form of an URL a network stream will be created instead of a file on disk.")
+ ->item(L"ffmpeg_paramX", L"A parameter supported by FFmpeg. For example vcodec or acodec etc.");
+ sink.para()->text(L"Examples:");
+ sink.example(L">> ADD 1 FILE output.mov -vcodec dnxhd");
+ sink.example(L">> ADD 1 FILE output.mov -vcodec prores");
+ sink.example(L">> ADD 1 FILE output.mov -vcodec dvvideo");
+ sink.example(L">> ADD 1 FILE output.mov -vcodec libx264 -preset ultrafast -tune fastdecode -crf 25");
+ sink.example(L">> ADD 1 FILE output.mov -vcodec dnxhd SEPARATE_KEY", L"for creating output.mov with fill and output_A.mov with key/alpha");
+ sink.example(L">> ADD 1 STREAM udp://<client_ip_address>:9250 -format mpegts -vcodec libx264 -crf 25 -tune zerolatency -preset ultrafast",
+ L"for streaming over UDP instead of creating a local file.");
+}
+
spl::shared_ptr<core::frame_consumer> create_streaming_consumer(
- const std::vector<std::wstring>& params, core::interaction_sink*)
-{
- if (params.size() < 1 || params.at(0) != L"STREAM")
+ const std::vector<std::wstring>& params, core::interaction_sink*, std::vector<spl::shared_ptr<core::video_channel>> channels)
+{
+ if (params.size() < 1 || (!boost::iequals(params.at(0), L"STREAM") && !boost::iequals(params.at(0), L"FILE")))
return core::frame_consumer::empty();
- auto path = u8(params.at(1));
- auto args = u8(boost::join(params, L" "));
+ auto params2 = params;
+ auto separate_key_it = std::find_if(params2.begin(), params2.end(), param_comparer(L"SEPARATE_KEY"));
+ bool separate_key = false;
- return spl::make_shared<streaming_consumer>(path, args);
+ if (separate_key_it != params2.end())
+ {
+ separate_key = true;
+ params2.erase(separate_key_it);
+ }
+
+ auto compatibility_mode = boost::iequals(params.at(0), L"FILE");
+ auto path = u8(params2.size() > 1 ? params2.at(1) : L"");
+ auto args = u8(boost::join(params2, L" "));
+
+ return spl::make_shared<ffmpeg_consumer_proxy>(path, args, separate_key, compatibility_mode);
}
spl::shared_ptr<core::frame_consumer> create_preconfigured_streaming_consumer(
- const boost::property_tree::wptree& ptree, core::interaction_sink*)
-{
- return spl::make_shared<streaming_consumer>(
- u8(ptree.get<std::wstring>(L"path")),
- u8(ptree.get<std::wstring>(L"args", L"")));
+ const boost::property_tree::wptree& ptree, core::interaction_sink*, std::vector<spl::shared_ptr<core::video_channel>> channels)
+{
+ return spl::make_shared<ffmpeg_consumer_proxy>(
+ u8(ptree_get<std::wstring>(ptree, L"path")),
+ u8(ptree.get<std::wstring>(L"args", L"")),
+ ptree.get<bool>(L"separate-key", false),
+ false);
}
-}}
\ No newline at end of file
+}}
projects / casparcg / blobdiff