#pragma warning (push)
#pragma warning (disable : 4244)
#endif
-extern "C"
+extern "C"
{
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#endif
namespace caspar { namespace ffmpeg {
-
+
struct audio_decoder::implementation : boost::noncopyable
-{
+{
int index_ = -1;
const spl::shared_ptr<AVCodecContext> codec_context_;
const int out_samplerate_;
-
+
cache_aligned_vector<int32_t> buffer_;
std::queue<spl::shared_ptr<AVPacket>> packets_;
: codec_context_(open_codec(*context, AVMEDIA_TYPE_AUDIO, index_, false))
, out_samplerate_(out_samplerate)
, buffer_(10 * out_samplerate_ * codec_context_->channels) // 10 seconds of audio
- {
+ {
if(!swr_)
- BOOST_THROW_EXCEPTION(bad_alloc());
-
+ CASPAR_THROW_EXCEPTION(bad_alloc());
+
THROW_ON_ERROR2(swr_init(swr_.get()), "[audio_decoder]");
codec_context_->refcounted_frames = 1;
}
void push(const std::shared_ptr<AVPacket>& packet)
- {
+ {
if(!packet)
return;
if(packet->stream_index == index_ || packet->data == nullptr)
packets_.push(spl::make_shared_ptr(packet));
- }
-
+ }
+
std::shared_ptr<core::mutable_audio_buffer> poll()
{
if(packets_.empty())
return nullptr;
-
+
auto packet = packets_.front();
if(packet->data == nullptr)
auto audio = decode(*packet);
- if(packet->size == 0)
+ if(packet->size == 0)
packets_.pop();
return audio;
}
std::wstring print() const
- {
+ {
return L"[audio-decoder] " + u16(codec_context_->codec->long_name);
}
};
const std::wstring filename_;
const std::wstring path_relative_to_media_ = get_relative_or_original(filename_, env::media_folder());
- FFMPEG_Resource resource_type_;
-
const spl::shared_ptr<diagnostics::graph> graph_;
timer frame_timer_;
explicit ffmpeg_producer(
const spl::shared_ptr<core::frame_factory>& frame_factory,
const core::video_format_desc& format_desc,
- const std::wstring& filename,
- FFMPEG_Resource resource_type,
+ const std::wstring& url_or_file,
const std::wstring& filter,
bool loop,
uint32_t start,
bool thumbnail_mode,
const std::wstring& custom_channel_order,
const ffmpeg_options& vid_params)
- : filename_(filename)
- , resource_type_(resource_type)
+ : filename_(url_or_file)
, frame_factory_(frame_factory)
, initial_logger_disabler_(temporary_enable_quiet_logging_for_thread(thumbnail_mode))
- , input_(graph_, filename_, resource_type, loop, start, length, thumbnail_mode, vid_params)
+ , input_(graph_, url_or_file, loop, start, length, thumbnail_mode, vid_params)
, framerate_(read_framerate(*input_.context(), format_desc.framerate))
, start_(start)
, length_(length)
send_osc();
return std::make_pair(last_frame(), -1);
}
- else if (resource_type_ == FFMPEG_Resource::FFMPEG_FILE)
+ else if (!is_url())
{
graph_->set_tag(diagnostics::tag_severity::WARNING, "underflow");
send_osc();
- return std::make_pair(core::draw_frame::late(), -1);
+ return std::make_pair(last_frame_, -1);
}
else
{
send_osc();
- return std::make_pair(last_frame(), -1);
+ return std::make_pair(last_frame_, -1);
}
}
return frame;
}
+ bool is_url() const
+ {
+ return boost::contains(filename_, L"://");
+ }
+
void send_osc()
{
double fps = static_cast<double>(framerate_.numerator()) / static_cast<double>(framerate_.denominator());
if (grid < 1)
{
CASPAR_LOG(error) << L"configuration/thumbnails/video-grid cannot be less than 1";
- BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("configuration/thumbnails/video-grid cannot be less than 1"));
+ CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("configuration/thumbnails/video-grid cannot be less than 1"));
}
if (grid == 1)
uint32_t nb_frames() const override
{
- if (resource_type_ == FFMPEG_Resource::FFMPEG_DEVICE || resource_type_ == FFMPEG_Resource::FFMPEG_STREAM || input_.loop())
+ if (is_url() || input_.loop())
return std::numeric_limits<uint32_t>::max();
uint32_t nb_frames = file_nb_frames();
std::wstring print() const override
{
- return L"ffmpeg[" + boost::filesystem::path(filename_).filename().wstring() + L"|"
+ return L"ffmpeg[" + (is_url() ? filename_ : boost::filesystem::path(filename_).filename().wstring()) + L"|"
+ print_mode() + L"|"
+ boost::lexical_cast<std::wstring>(file_frame_number_) + L"/" + boost::lexical_cast<std::wstring>(file_nb_frames()) + L"]";
}
void describe_producer(core::help_sink& sink, const core::help_repository& repo)
{
sink.short_description(L"A producer for playing media files supported by FFmpeg.");
- sink.syntax(L"[clip:string] {[loop:LOOP]} {SEEK [start:int]} {LENGTH [start:int]} {FILTER [filter:string]} {CHANNEL_LAYOUT [channel_layout:string]}");
+ sink.syntax(L"[clip,url:string] {[loop:LOOP]} {SEEK [start:int]} {LENGTH [start:int]} {FILTER [filter:string]} {CHANNEL_LAYOUT [channel_layout:string]}");
sink.para()
->text(L"The FFmpeg Producer can play all media that FFmpeg can play, which includes many ")
->text(L"QuickTime video codec such as Animation, PNG, PhotoJPEG, MotionJPEG, as well as ")
->text(L"H.264, FLV, WMV and several audio codecs as well as uncompressed audio.");
sink.definitions()
->item(L"clip", L"The file without the file extension to play. It should reside under the media folder.")
+ ->item(L"url", L"If clip contains :// it is instead treated as the URL parameter. The URL can either be any streaming protocol supported by FFmpeg or dshow://video={webcam_name}.")
->item(L"loop", L"Will cause the media file to loop between start and start + length")
->item(L"start", L"Optionally sets the start frame. 0 by default. If loop is specified this will be the frame where it starts over again.")
->item(L"length", L"Optionally sets the length of the clip. If not specified the clip will be played to the end. If loop is specified the file will jump to start position once this number of frames has been played.")
sink.example(L">> PLAY 1-10 folder/clip FILTER yadif=1,-1", L"to deinterlace the video.");
sink.example(L">> PLAY 1-10 folder/clip CHANNEL_LAYOUT film", L"given the defaults in casparcg.config this will specifies that the clip has 6 audio channels of the type 5.1 and that they are in the order FL FC FR BL BR LFE regardless of what ffmpeg says.");
sink.example(L">> PLAY 1-10 folder/clip CHANNEL_LAYOUT \"5.1:LFE FL FC FR BL BR\"", L"specifies that the clip has 6 audio channels of the type 5.1 and that they are in the specified order regardless of what ffmpeg says.");
+ sink.example(L">> PLAY 1-10 rtmp://example.com/live/stream", L"to play an RTMP stream.");
+ sink.example(L">> PLAY 1-10 \"dshow://video=Live! Cam Chat HD VF0790\"", L"to use a web camera as video input.");
sink.para()->text(L"The FFmpeg producer also supports changing some of the settings via ")->code(L"CALL")->text(L":");
sink.example(L">> CALL 1-10 LOOP 1");
sink.example(L">> CALL 1-10 START 10");
const std::vector<std::wstring>& params,
const spl::shared_ptr<core::media_info_repository>& info_repo)
{
- // Infer the resource type from the resource_name
- auto resource_type = FFMPEG_Resource::FFMPEG_FILE;
- auto tokens = protocol_split(params.at(0));
- auto filename = params.at(0);
+ auto file_or_url = params.at(0);
- if (!tokens[0].empty())
- {
- if (tokens[0] == L"dshow")
- {
- // Camera
- resource_type = FFMPEG_Resource::FFMPEG_DEVICE;
- filename = tokens[1];
- }
- else
- {
- // Stream
- resource_type = FFMPEG_Resource::FFMPEG_STREAM;
- filename = params.at(0);
- }
- }
- else
+ if (!boost::contains(file_or_url, L"://"))
{
// File
- resource_type = FFMPEG_Resource::FFMPEG_FILE;
- filename = probe_stem(env::media_folder() + L"/" + params.at(0), false);
+ file_or_url = probe_stem(env::media_folder() + L"/" + file_or_url, false);
}
- if (filename.empty())
+ if (file_or_url.empty())
return core::frame_producer::empty();
auto loop = contains_param(L"LOOP", params);
auto producer = spl::make_shared<ffmpeg_producer>(
dependencies.frame_factory,
dependencies.format_desc,
- filename,
- resource_type,
+ file_or_url,
filter_str,
loop,
start,
dependencies.frame_factory,
dependencies.format_desc,
filename,
- FFMPEG_Resource::FFMPEG_FILE,
filter_str,
loop,
start,
#include <common/executor.h>
#include <common/except.h>
#include <common/os/general_protection_fault.h>
+#include <common/param.h>
+#include <common/scope_exit.h>
#include <tbb/concurrent_queue.h>
#include <tbb/atomic.h>
executor executor_;
- explicit implementation(const spl::shared_ptr<diagnostics::graph> graph, const std::wstring& filename, FFMPEG_Resource resource_type, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_options& vid_params)
+ explicit implementation(const spl::shared_ptr<diagnostics::graph> graph, const std::wstring& url_or_file, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_options& vid_params)
: graph_(graph)
- , format_context_(open_input(filename, resource_type, vid_params))
- , filename_(filename)
+ , format_context_(open_input(url_or_file, vid_params))
+ , filename_(url_or_file)
, thumbnail_mode_(thumbnail_mode)
, executor_(print())
{
});
}
- spl::shared_ptr<AVFormatContext> open_input(const std::wstring resource_name, FFMPEG_Resource resource_type, const ffmpeg_options& vid_params)
+ spl::shared_ptr<AVFormatContext> open_input(const std::wstring& url_or_file, const ffmpeg_options& vid_params)
{
- AVFormatContext* weak_context = nullptr;
+ AVDictionary* format_options = nullptr;
- switch (resource_type) {
- case FFMPEG_Resource::FFMPEG_FILE:
- THROW_ON_ERROR2(avformat_open_input(&weak_context, u8(resource_name).c_str(), nullptr, nullptr), resource_name);
- break;
- case FFMPEG_Resource::FFMPEG_DEVICE:
- {
- AVDictionary* format_options = NULL;
- for (auto& option : vid_params)
- {
- av_dict_set(&format_options, option.first.c_str(), option.second.c_str(), 0);
- }
- AVInputFormat* input_format = av_find_input_format("dshow");
- THROW_ON_ERROR2(avformat_open_input(&weak_context, u8(resource_name).c_str(), input_format, &format_options), resource_name);
- if (format_options != nullptr)
- {
- std::string unsupported_tokens = "";
- AVDictionaryEntry *t = NULL;
- while ((t = av_dict_get(format_options, "", t, AV_DICT_IGNORE_SUFFIX)) != nullptr)
- {
- if (!unsupported_tokens.empty())
- unsupported_tokens += ", ";
- unsupported_tokens += t->key;
- }
- avformat_close_input(&weak_context);
- BOOST_THROW_EXCEPTION(ffmpeg_error() << msg_info(unsupported_tokens));
- }
- av_dict_free(&format_options);
- }
- break;
- case FFMPEG_Resource::FFMPEG_STREAM:
- {
- AVDictionary* format_options = NULL;
- for (auto& option : vid_params)
- {
- av_dict_set(&format_options, option.first.c_str(), option.second.c_str(), 0);
- }
- THROW_ON_ERROR2(avformat_open_input(&weak_context, u8(resource_name).c_str(), nullptr, &format_options), resource_name);
- if (format_options != nullptr)
- {
- std::string unsupported_tokens = "";
- AVDictionaryEntry *t = NULL;
- while ((t = av_dict_get(format_options, "", t, AV_DICT_IGNORE_SUFFIX)) != nullptr)
- {
- if (!unsupported_tokens.empty())
- unsupported_tokens += ", ";
- unsupported_tokens += t->key;
- }
- avformat_close_input(&weak_context);
- BOOST_THROW_EXCEPTION(ffmpeg_error() << msg_info(unsupported_tokens));
- }
+ CASPAR_SCOPE_EXIT
+ {
+ if (format_options)
av_dict_free(&format_options);
- }
- break;
};
- spl::shared_ptr<AVFormatContext> context(weak_context, [](AVFormatContext* p)
+
+ for (auto& option : vid_params)
+ av_dict_set(&format_options, option.first.c_str(), option.second.c_str(), 0);
+
+ auto resource_name = std::wstring();
+ auto parts = caspar::protocol_split(url_or_file);
+ AVInputFormat* input_format = nullptr;
+
+ if (parts.at(0).empty())
+ resource_name = parts.at(1);
+ else if (parts.at(0) == L"dshow")
+ {
+ input_format = av_find_input_format("dshow");
+ resource_name = parts.at(1);
+ }
+ else
+ resource_name = parts.at(0) + L"://" + parts.at(1);
+
+ AVFormatContext* weak_context = nullptr;
+ THROW_ON_ERROR2(avformat_open_input(&weak_context, u8(resource_name).c_str(), input_format, &format_options), resource_name);
+
+ spl::shared_ptr<AVFormatContext> context(weak_context, [](AVFormatContext* ptr)
{
- avformat_close_input(&p);
+ avformat_close_input(&ptr);
});
- THROW_ON_ERROR2(avformat_find_stream_info(weak_context, nullptr), resource_name);
+
+ if (format_options)
+ {
+ std::string unsupported_tokens = "";
+ AVDictionaryEntry *t = NULL;
+ while ((t = av_dict_get(format_options, "", t, AV_DICT_IGNORE_SUFFIX)) != nullptr)
+ {
+ if (!unsupported_tokens.empty())
+ unsupported_tokens += ", ";
+ unsupported_tokens += t->key;
+ }
+ CASPAR_THROW_EXCEPTION(user_error() << msg_info(unsupported_tokens));
+ }
+
+ THROW_ON_ERROR2(avformat_find_stream_info(context.get(), nullptr), resource_name);
fix_meta_data(*context);
return context;
}
}
};
-input::input(const spl::shared_ptr<diagnostics::graph>& graph, const std::wstring& filename, FFMPEG_Resource resource_type, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_options& vid_params)
- : impl_(new implementation(graph, filename, resource_type, loop, start, length, thumbnail_mode, vid_params)){}
+input::input(const spl::shared_ptr<diagnostics::graph>& graph, const std::wstring& url_or_file, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_options& vid_params)
+ : impl_(new implementation(graph, url_or_file, loop, start, length, thumbnail_mode, vid_params)){}
bool input::eof() const {return !impl_->executor_.is_running();}
bool input::try_pop(std::shared_ptr<AVPacket>& packet){return impl_->try_pop(packet);}
spl::shared_ptr<AVFormatContext> input::context(){return impl_->format_context_;}
class graph;
}
-
+
namespace ffmpeg {
class input : boost::noncopyable
{
public:
- explicit input(const spl::shared_ptr<diagnostics::graph>& graph, const std::wstring& filename, FFMPEG_Resource resource_type, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_options& vid_params);
+ explicit input(const spl::shared_ptr<diagnostics::graph>& graph, const std::wstring& url_or_file, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_options& vid_params);
bool try_pop(std::shared_ptr<AVPacket>& packet);
bool eof() const;
std::shared_ptr<implementation> impl_;
};
-
+
}}
}
if (audio_streams_.back().size() > 32 * audio_cadence_.front() * audio_channel_layout_.num_channels)
- BOOST_THROW_EXCEPTION(invalid_operation() << source_info("frame_muxer") << msg_info("audio-stream overflow. This can be caused by incorrect frame-rate. Check clip meta-data."));
+ CASPAR_THROW_EXCEPTION(invalid_operation() << source_info("frame_muxer") << msg_info("audio-stream overflow. This can be caused by incorrect frame-rate. Check clip meta-data."));
}
bool video_ready() const
const core::audio_channel_layout& channel_layout,
const std::wstring& filter,
bool multithreaded_filter);
-
+
void push(const std::shared_ptr<AVFrame>& video_frame);
void push(const std::shared_ptr<core::mutable_audio_buffer>& audio_samples);
-
+
bool video_ready() const;
bool audio_ready() const;
spl::shared_ptr<impl> impl_;
};
-}}
\ No newline at end of file
+}}
namespace caspar { namespace ffmpeg {
-enum class FFMPEG_Resource {
- FFMPEG_FILE,
- FFMPEG_DEVICE,
- FFMPEG_STREAM
-};
-
typedef std::vector<std::pair<std::string, std::string>> ffmpeg_options;
// Utils
packets_.pop();
file_frame_number_ = static_cast<uint32_t>(packet->pos);
avcodec_flush_buffers(codec_context_.get());
- return flush_video();
+ return flush_video();
}
packets_.pop();
projects / casparcg / commitdiff