*/
+extern "C" {
+#include <libavformat/avformat.h>
+}
#include <libcxml/cxml.h>
#include "ffmpeg_content.h"
#include "ffmpeg_examiner.h"
#include "filter.h"
#include "film.h"
#include "log.h"
+#include "exceptions.h"
#include "i18n.h"
using std::pair;
using boost::shared_ptr;
using boost::lexical_cast;
+using boost::dynamic_pointer_cast;
int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
}
-FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
: Content (f, node)
, VideoContent (f, node)
, AudioContent (f, node)
- , SubtitleContent (f, node)
+ , SubtitleContent (f, node, version)
{
- list<shared_ptr<cxml::Node> > c = node->node_children ("SubtitleStream");
- for (list<shared_ptr<cxml::Node> >::const_iterator i = c.begin(); i != c.end(); ++i) {
- _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i)));
+ list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
+ for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i, version)));
if ((*i)->optional_number_child<int> ("Selected")) {
_subtitle_stream = _subtitle_streams.back ();
}
}
c = node->node_children ("AudioStream");
- for (list<shared_ptr<cxml::Node> >::const_iterator i = c.begin(); i != c.end(); ++i) {
- _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i)));
+ for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
if ((*i)->optional_number_child<int> ("Selected")) {
_audio_stream = _audio_streams.back ();
}
}
c = node->node_children ("Filter");
- for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
+ for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
_filters.push_back (Filter::from_id ((*i)->content ()));
}
_first_video = node->optional_number_child<double> ("FirstVideo");
}
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr<Content> > c)
+ : Content (f, c)
+ , VideoContent (f, c)
+ , AudioContent (f, c)
+ , SubtitleContent (f, c)
+{
+ shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
+ assert (ref);
+
+ for (size_t i = 0; i < c.size(); ++i) {
+ shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
+ if (f->with_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
+ throw JoinError (_("Content to be joined must use the same subtitle stream."));
+ }
+
+ if (*(fc->_audio_stream.get()) != *(ref->_audio_stream.get())) {
+ throw JoinError (_("Content to be joined must use the same audio stream."));
+ }
+ }
+
+ _subtitle_streams = ref->subtitle_streams ();
+ _subtitle_stream = ref->subtitle_stream ();
+ _audio_streams = ref->audio_streams ();
+ _audio_stream = ref->audio_stream ();
+ _first_video = ref->_first_video;
+}
+
void
FFmpegContent::as_xml (xmlpp::Node* node) const
{
shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
- VideoContent::Frame video_length = 0;
+ VideoFrame video_length = 0;
video_length = examiner->video_length ();
film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length));
string
FFmpegContent::summary () const
{
- return String::compose (_("%1 [movie]"), file().filename().string());
+ /* Get the string() here so that the name does not have quotes around it */
+ return String::compose (_("%1 [movie]"), path_summary ());
}
string
return Content::technical_summary() + " - "
+ VideoContent::technical_summary() + " - "
+ + AudioContent::technical_summary() + " - "
+ String::compose (
"ffmpeg: audio %1, subtitle %2, filters %3 %4", as, ss, filt.first, filt.second
);
signal_changed (FFmpegContentProperty::AUDIO_STREAM);
}
-AudioContent::Frame
+AudioFrame
FFmpegContent::audio_length () const
{
int const cafr = content_audio_frame_rate ();
int const vfr = video_frame_rate ();
- VideoContent::Frame const vl = video_length ();
+ VideoFrame const vl = video_length ();
boost::mutex::scoped_lock lm (_mutex);
if (!_audio_stream) {
/* Resample to a DCI-approved sample rate */
double t = dcp_audio_frame_rate (content_audio_frame_rate ());
- FrameRateConversion frc (video_frame_rate(), film->video_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).
- skip/repeat doesn't come into effect here.
*/
if (frc.change_speed) {
- t *= video_frame_rate() * frc.factor() / film->video_frame_rate();
+ t /= frc.speed_up;
}
return rint (t);
return a.id == b.id;
}
+bool
+operator!= (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b)
+{
+ return a.id != b.id;
+}
+
bool
operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
{
return a.id == b.id;
}
-FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node)
- : mapping (node->node_child ("Mapping"))
+bool
+operator!= (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
+{
+ return a.id != b.id;
+}
+
+FFmpegStream::FFmpegStream (shared_ptr<const cxml::Node> node, int version)
+ : _legacy_id (false)
{
name = node->string_child ("Name");
id = node->number_child<int> ("Id");
+ if (version == 4 || node->optional_bool_child ("LegacyId")) {
+ _legacy_id = true;
+ }
+}
+
+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<string> (id));
+ if (_legacy_id) {
+ /* Write this so that version > 4 files are read in correctly
+ if the Id came originally from a version <= 4 file.
+ */
+ root->add_child("LegacyId")->add_child_text ("1");
+ }
+}
+
+FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node, int version)
+ : FFmpegStream (node, version)
+ , mapping (node->node_child ("Mapping"), version)
+{
frame_rate = node->number_child<int> ("FrameRate");
channels = node->number_child<int64_t> ("Channels");
first_audio = node->optional_number_child<double> ("FirstAudio");
void
FFmpegAudioStream::as_xml (xmlpp::Node* root) const
{
- root->add_child("Name")->add_child_text (name);
- root->add_child("Id")->add_child_text (lexical_cast<string> (id));
+ FFmpegStream::as_xml (root);
root->add_child("FrameRate")->add_child_text (lexical_cast<string> (frame_rate));
root->add_child("Channels")->add_child_text (lexical_cast<string> (channels));
if (first_audio) {
mapping.as_xml (root->add_child("Mapping"));
}
+int
+FFmpegStream::index (AVFormatContext const * fc) const
+{
+ if (_legacy_id) {
+ return id;
+ }
+
+ size_t i = 0;
+ while (i < fc->nb_streams) {
+ if (fc->streams[i]->id == id) {
+ return i;
+ }
+ ++i;
+ }
+
+ assert (false);
+}
+
+AVStream *
+FFmpegStream::stream (AVFormatContext const * fc) const
+{
+ if (_legacy_id) {
+ return fc->streams[id];
+ }
+
+ 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<const cxml::Node> node)
+FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr<const cxml::Node> node, int version)
+ : FFmpegStream (node, version)
{
- name = node->string_child ("Name");
- id = node->number_child<int> ("Id");
+
}
void
FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const
{
- root->add_child("Name")->add_child_text (name);
- root->add_child("Id")->add_child_text (lexical_cast<string> (id));
+ FFmpegStream::as_xml (root);
}
-Time
-FFmpegContent::length () const
+DCPTime
+FFmpegContent::full_length () const
{
shared_ptr<const Film> film = _film.lock ();
assert (film);
- FrameRateConversion frc (video_frame_rate (), film->video_frame_rate ());
+ FrameRateChange frc (video_frame_rate (), film->video_frame_rate ());
return video_length() * frc.factor() * TIME_HZ / film->video_frame_rate ();
}