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#include <libcxml/cxml.h>
#include "ffmpeg_content.h"
#include "ffmpeg_decoder.h"
#include "compose.hpp"
#include "job.h"
#include "util.h"
#include "log.h"
#include "i18n.h"
using std::string;
using std::vector;
using std::list;
using boost::shared_ptr;
using boost::lexical_cast;
int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
int const FFmpegContentProperty::AUDIO_STREAMS = 102;
int const FFmpegContentProperty::AUDIO_STREAM = 103;
FFmpegContent::FFmpegContent (boost::filesystem::path f)
: Content (f)
, VideoContent (f)
, AudioContent (f)
{
}
FFmpegContent::FFmpegContent (shared_ptr<const cxml::Node> node)
: Content (node)
, VideoContent (node)
, AudioContent (node)
{
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 (FFmpegSubtitleStream (*i));
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 (FFmpegAudioStream (*i));
if ((*i)->optional_number_child<int> ("Selected")) {
_audio_stream = _audio_streams.back ();
}
}
}
void
FFmpegContent::as_xml (xmlpp::Node* node) const
{
node->add_child("Type")->add_child_text ("FFmpeg");
Content::as_xml (node);
VideoContent::as_xml (node);
boost::mutex::scoped_lock lm (_mutex);
for (vector<FFmpegSubtitleStream>::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
xmlpp::Node* t = node->add_child("SubtitleStream");
if (_subtitle_stream && *i == _subtitle_stream.get()) {
t->add_child("Selected")->add_child_text("1");
}
i->as_xml (t);
}
for (vector<FFmpegAudioStream>::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
xmlpp::Node* t = node->add_child("AudioStream");
if (_audio_stream && *i == _audio_stream.get()) {
t->add_child("Selected")->add_child_text("1");
}
i->as_xml (t);
}
}
void
FFmpegContent::examine (shared_ptr<Film> film, shared_ptr<Job> job, bool quick)
{
job->descend (0.5);
Content::examine (film, job, quick);
job->ascend ();
job->set_progress_unknown ();
shared_ptr<FFmpegDecoder> decoder (new FFmpegDecoder (film, shared_from_this (), true, false, false, true));
ContentVideoFrame video_length = 0;
if (quick) {
video_length = decoder->video_length ();
film->log()->log (String::compose ("Video length obtained from header as %1 frames", decoder->video_length ()));
} else {
while (!decoder->pass ()) {
/* keep going */
}
video_length = decoder->video_frame ();
film->log()->log (String::compose ("Video length examined as %1 frames", decoder->video_frame ()));
}
{
boost::mutex::scoped_lock lm (_mutex);
_video_length = video_length;
_subtitle_streams = decoder->subtitle_streams ();
if (!_subtitle_streams.empty ()) {
_subtitle_stream = _subtitle_streams.front ();
}
_audio_streams = decoder->audio_streams ();
if (!_audio_streams.empty ()) {
_audio_stream = _audio_streams.front ();
}
}
take_from_video_decoder (decoder);
Changed (VideoContentProperty::VIDEO_LENGTH);
Changed (FFmpegContentProperty::SUBTITLE_STREAMS);
Changed (FFmpegContentProperty::SUBTITLE_STREAM);
Changed (FFmpegContentProperty::AUDIO_STREAMS);
Changed (FFmpegContentProperty::AUDIO_STREAM);
}
string
FFmpegContent::summary () const
{
return String::compose (_("Movie: %1"), file().filename ());
}
void
FFmpegContent::set_subtitle_stream (FFmpegSubtitleStream s)
{
{
boost::mutex::scoped_lock lm (_mutex);
_subtitle_stream = s;
}
Changed (FFmpegContentProperty::SUBTITLE_STREAM);
}
void
FFmpegContent::set_audio_stream (FFmpegAudioStream s)
{
{
boost::mutex::scoped_lock lm (_mutex);
_audio_stream = s;
}
Changed (FFmpegContentProperty::AUDIO_STREAM);
}
ContentAudioFrame
FFmpegContent::audio_length () const
{
if (!_audio_stream) {
return 0;
}
return video_frames_to_audio_frames (_video_length, audio_frame_rate(), video_frame_rate());
}
int
FFmpegContent::audio_channels () const
{
if (!_audio_stream) {
return 0;
}
return _audio_stream->channels ();
}
int
FFmpegContent::audio_frame_rate () const
{
if (!_audio_stream) {
return 0;
}
return _audio_stream->frame_rate;
}
int64_t
FFmpegContent::audio_channel_layout () const
{
if (!_audio_stream) {
return 0;
}
return _audio_stream->channel_layout;
}
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)
{
name = node->string_child ("Name");
id = node->number_child<int> ("Id");
frame_rate = node->number_child<int> ("FrameRate");
channel_layout = node->number_child<int64_t> ("ChannelLayout");
}
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));
root->add_child("FrameRate")->add_child_text (lexical_cast<string> (frame_rate));
root->add_child("ChannelLayout")->add_child_text (lexical_cast<string> (channel_layout));
}
/** 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)
{
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));
}
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