X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_content.cc;h=bb4e022308dc9882dff57d5a0959d0a014cf9cab;hb=3b48d5494c3cae7743d283203f5c8021860ab81f;hp=4e14802e8a9a7e5b0aee5e6703069338f1bbc0cd;hpb=ee161be0fb0e93d77d34fb3f13fd562a76738a07;p=dcpomatic.git diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc index 4e14802e8..bb4e02230 100644 --- a/src/lib/ffmpeg_content.cc +++ b/src/lib/ffmpeg_content.cc @@ -21,8 +21,11 @@ extern "C" { #include } #include +#include #include "ffmpeg_content.h" #include "ffmpeg_examiner.h" +#include "ffmpeg_subtitle_stream.h" +#include "ffmpeg_audio_stream.h" #include "compose.hpp" #include "job.h" #include "util.h" @@ -30,18 +33,21 @@ extern "C" { #include "film.h" #include "log.h" #include "exceptions.h" +#include "frame_rate_change.h" +#include "safe_stringstream.h" #include "i18n.h" +#define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL); + using std::string; -using std::stringstream; using std::vector; using std::list; using std::cout; using std::pair; using boost::shared_ptr; -using boost::lexical_cast; using boost::dynamic_pointer_cast; +using dcp::raw_convert; int const FFmpegContentProperty::SUBTITLE_STREAMS = 100; int const FFmpegContentProperty::SUBTITLE_STREAM = 101; @@ -58,7 +64,7 @@ FFmpegContent::FFmpegContent (shared_ptr f, boost::filesystem::path } -FFmpegContent::FFmpegContent (shared_ptr f, shared_ptr node, int version, list& notes) +FFmpegContent::FFmpegContent (shared_ptr f, cxml::ConstNodePtr node, int version, list& notes) : Content (f, node) , VideoContent (f, node, version) , AudioContent (f, node) @@ -104,7 +110,7 @@ FFmpegContent::FFmpegContent (shared_ptr f, vector fc = dynamic_pointer_cast (c[i]); - if (f->with_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) { + if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) { throw JoinError (_("Content to be joined must use the same subtitle stream.")); } @@ -152,7 +158,7 @@ FFmpegContent::as_xml (xmlpp::Node* node) const } if (_first_video) { - node->add_child("FirstVideo")->add_child_text (lexical_cast (_first_video.get().get())); + node->add_child("FirstVideo")->add_child_text (raw_convert (_first_video.get().get())); } } @@ -166,17 +172,12 @@ FFmpegContent::examine (shared_ptr job) shared_ptr examiner (new FFmpegExaminer (shared_from_this ())); take_from_video_examiner (examiner); - ContentTime video_length = examiner->video_length (); - shared_ptr film = _film.lock (); assert (film); - film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length.frames (video_frame_rate ()))); { boost::mutex::scoped_lock lm (_mutex); - _video_length = video_length; - _subtitle_streams = examiner->subtitle_streams (); if (!_subtitle_streams.empty ()) { _subtitle_stream = _subtitle_streams.front (); @@ -190,7 +191,6 @@ FFmpegContent::examine (shared_ptr job) _first_video = examiner->first_video (); } - signal_changed (ContentProperty::LENGTH); signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS); signal_changed (FFmpegContentProperty::SUBTITLE_STREAM); signal_changed (FFmpegContentProperty::AUDIO_STREAMS); @@ -235,7 +235,7 @@ FFmpegContent::information () const return ""; } - stringstream s; + SafeStringStream s; s << String::compose (_("%1 frames; %2 frames per second"), video_length_after_3d_combine().frames (video_frame_rate()), video_frame_rate()) << "\n"; s << VideoContent::information (); @@ -284,11 +284,11 @@ FFmpegContent::audio_channels () const return 0; } - return _audio_stream->channels; + return _audio_stream->channels (); } int -FFmpegContent::content_audio_frame_rate () const +FFmpegContent::audio_frame_rate () const { boost::mutex::scoped_lock lm (_mutex); @@ -296,30 +296,7 @@ FFmpegContent::content_audio_frame_rate () const return 0; } - return _audio_stream->frame_rate; -} - -int -FFmpegContent::output_audio_frame_rate () const -{ - shared_ptr film = _film.lock (); - assert (film); - - /* Resample to a DCI-approved sample rate */ - double t = dcp_audio_frame_rate (content_audio_frame_rate ()); - - FrameRateChange frc (video_frame_rate(), film->video_frame_rate()); - - /* Compensate if the DCP is being run at a different frame rate - to the source; that is, if the video is run such that it will - look different in the DCP compared to the source (slower or faster). - */ - - if (frc.change_speed) { - t /= frc.speed_up; - } - - return rint (t); + return _audio_stream->frame_rate (); } bool @@ -334,86 +311,6 @@ operator!= (FFmpegStream const & a, FFmpegStream const & b) return a._id != b._id; } -FFmpegStream::FFmpegStream (shared_ptr node) - : name (node->string_child ("Name")) - , _id (node->number_child ("Id")) -{ - -} - -void -FFmpegStream::as_xml (xmlpp::Node* root) const -{ - root->add_child("Name")->add_child_text (name); - root->add_child("Id")->add_child_text (lexical_cast (_id)); -} - -FFmpegAudioStream::FFmpegAudioStream (shared_ptr node, int version) - : FFmpegStream (node) - , mapping (node->node_child ("Mapping"), version) -{ - frame_rate = node->number_child ("FrameRate"); - channels = node->number_child ("Channels"); - first_audio = node->optional_number_child ("FirstAudio"); -} - -void -FFmpegAudioStream::as_xml (xmlpp::Node* root) const -{ - FFmpegStream::as_xml (root); - root->add_child("FrameRate")->add_child_text (lexical_cast (frame_rate)); - root->add_child("Channels")->add_child_text (lexical_cast (channels)); - if (first_audio) { - root->add_child("FirstAudio")->add_child_text (lexical_cast (first_audio.get().get())); - } - mapping.as_xml (root->add_child("Mapping")); -} - -bool -FFmpegStream::uses_index (AVFormatContext const * fc, int index) const -{ - size_t i = 0; - while (i < fc->nb_streams) { - if (fc->streams[i]->id == _id) { - return int (i) == index; - } - ++i; - } - - return false; -} - -AVStream * -FFmpegStream::stream (AVFormatContext const * fc) const -{ - size_t i = 0; - while (i < fc->nb_streams) { - if (fc->streams[i]->id == _id) { - return fc->streams[i]; - } - ++i; - } - - assert (false); - return 0; -} - -/** Construct a SubtitleStream from a value returned from to_string(). - * @param t String returned from to_string(). - * @param v State file version. - */ -FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr node) - : FFmpegStream (node) -{ - -} - -void -FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const -{ - FFmpegStream::as_xml (root); -} - DCPTime FFmpegContent::full_length () const { @@ -431,7 +328,7 @@ FFmpegContent::audio_mapping () const return AudioMapping (); } - return _audio_stream->mapping; + return _audio_stream->mapping (); } void @@ -448,14 +345,14 @@ FFmpegContent::set_filters (vector const & filters) void FFmpegContent::set_audio_mapping (AudioMapping m) { - audio_stream()->mapping = m; + audio_stream()->set_mapping (m); AudioContent::set_audio_mapping (m); } string FFmpegContent::identifier () const { - stringstream s; + SafeStringStream s; s << VideoContent::identifier(); @@ -492,3 +389,29 @@ FFmpegContent::audio_analysis_path () const p /= name; return p; } + +list +FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const +{ + list d; + + shared_ptr stream = subtitle_stream (); + if (!stream) { + return d; + } + + /* XXX: inefficient */ + for (vector::const_iterator i = stream->periods.begin(); i != stream->periods.end(); ++i) { + if ((starting && period.contains (i->from)) || (!starting && period.overlaps (*i))) { + d.push_back (*i); + } + } + + return d; +} + +bool +FFmpegContent::has_subtitles () const +{ + return !subtitle_streams().empty (); +}