*/
#include <iostream>
-#include <boost/filesystem.hpp>
-#include <boost/lexical_cast.hpp>
-#include <libdcp/picture_asset.h>
#include "encoder.h"
#include "util.h"
-#include "options.h"
#include "film.h"
#include "log.h"
-#include "exceptions.h"
-#include "filter.h"
#include "config.h"
#include "dcp_video_frame.h"
#include "server.h"
-#include "format.h"
#include "cross.h"
#include "writer.h"
+#include "i18n.h"
+
using std::pair;
using std::string;
using std::stringstream;
using std::vector;
using std::list;
using std::cout;
+using std::min;
using std::make_pair;
-using namespace boost;
+using boost::shared_ptr;
+using boost::optional;
int const Encoder::_history_size = 25;
-/** @param f Film that we are encoding.
- * @param o Options.
- */
-Encoder::Encoder (shared_ptr<Film> f)
+/** @param f Film that we are encoding */
+Encoder::Encoder (shared_ptr<const Film> f, shared_ptr<Job> j)
: _film (f)
- , _just_skipped (false)
- , _video_frames_in (0)
+ , _job (j)
, _video_frames_out (0)
-#ifdef HAVE_SWRESAMPLE
- , _swr_context (0)
-#endif
, _have_a_real_frame (false)
- , _terminate_encoder (false)
+ , _terminate (false)
{
}
Encoder::~Encoder ()
{
- terminate_worker_threads ();
+ terminate_threads ();
if (_writer) {
_writer->finish ();
}
void
Encoder::process_begin ()
{
- if (_film->audio_stream() && _film->audio_stream()->sample_rate() != _film->target_audio_sample_rate()) {
-#ifdef HAVE_SWRESAMPLE
-
- stringstream s;
- s << "Will resample audio from " << _film->audio_stream()->sample_rate() << " to " << _film->target_audio_sample_rate();
- _film->log()->log (s.str ());
-
- /* We will be using planar float data when we call the resampler */
- _swr_context = swr_alloc_set_opts (
- 0,
- _film->audio_stream()->channel_layout(),
- AV_SAMPLE_FMT_FLTP,
- _film->target_audio_sample_rate(),
- _film->audio_stream()->channel_layout(),
- AV_SAMPLE_FMT_FLTP,
- _film->audio_stream()->sample_rate(),
- 0, 0
- );
-
- swr_init (_swr_context);
-#else
- throw EncodeError ("Cannot resample audio as libswresample is not present");
-#endif
- } else {
-#ifdef HAVE_SWRESAMPLE
- _swr_context = 0;
-#endif
- }
-
for (int i = 0; i < Config::instance()->num_local_encoding_threads (); ++i) {
- _worker_threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, (ServerDescription *) 0)));
+ _threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, (ServerDescription *) 0)));
}
vector<ServerDescription*> servers = Config::instance()->servers ();
for (vector<ServerDescription*>::iterator i = servers.begin(); i != servers.end(); ++i) {
for (int j = 0; j < (*i)->threads (); ++j) {
- _worker_threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, *i)));
+ _threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, *i)));
}
}
- _writer.reset (new Writer (_film));
+ _writer.reset (new Writer (_film, _job));
}
void
Encoder::process_end ()
{
-#if HAVE_SWRESAMPLE
- if (_film->audio_stream() && _film->audio_stream()->channels() && _swr_context) {
-
- shared_ptr<AudioBuffers> out (new AudioBuffers (_film->audio_stream()->channels(), 256));
-
- while (1) {
- int const frames = swr_convert (_swr_context, (uint8_t **) out->data(), 256, 0, 0);
-
- if (frames < 0) {
- throw EncodeError ("could not run sample-rate converter");
- }
-
- if (frames == 0) {
- break;
- }
-
- out->set_frames (frames);
- _writer->write (out);
- }
-
- swr_free (&_swr_context);
- }
-#endif
+ boost::mutex::scoped_lock lock (_mutex);
- boost::mutex::scoped_lock lock (_worker_mutex);
-
- _film->log()->log ("Clearing queue of " + lexical_cast<string> (_encode_queue.size ()));
+ _film->log()->log (String::compose (N_("Clearing queue of %1"), _queue.size ()));
/* Keep waking workers until the queue is empty */
- while (!_encode_queue.empty ()) {
- _film->log()->log ("Waking with " + lexical_cast<string> (_encode_queue.size ()), Log::VERBOSE);
- _worker_condition.notify_all ();
- _worker_condition.wait (lock);
+ while (!_queue.empty ()) {
+ _film->log()->log (String::compose (N_("Waking with %1"), _queue.size ()), Log::VERBOSE);
+ _condition.notify_all ();
+ _condition.wait (lock);
}
lock.unlock ();
- terminate_worker_threads ();
+ terminate_threads ();
- _film->log()->log ("Mopping up " + lexical_cast<string> (_encode_queue.size()));
+ _film->log()->log (String::compose (N_("Mopping up %1"), _queue.size()));
/* The following sequence of events can occur in the above code:
1. a remote worker takes the last image off the queue
2. the loop above terminates
3. the remote worker fails to encode the image and puts it back on the queue
- 4. the remote worker is then terminated by terminate_worker_threads
+ 4. the remote worker is then terminated by terminate_threads
So just mop up anything left in the queue here.
*/
- for (list<shared_ptr<DCPVideoFrame> >::iterator i = _encode_queue.begin(); i != _encode_queue.end(); ++i) {
- _film->log()->log (String::compose ("Encode left-over frame %1", (*i)->frame ()));
+ for (list<shared_ptr<DCPVideoFrame> >::iterator i = _queue.begin(); i != _queue.end(); ++i) {
+ _film->log()->log (String::compose (N_("Encode left-over frame %1"), (*i)->frame ()));
try {
_writer->write ((*i)->encode_locally(), (*i)->frame ());
frame_done ();
} catch (std::exception& e) {
- _film->log()->log (String::compose ("Local encode failed (%1)", e.what ()));
+ _film->log()->log (String::compose (N_("Local encode failed (%1)"), e.what ()));
}
}
* or 0 if not known.
*/
float
-Encoder::current_frames_per_second () const
+Encoder::current_encoding_rate () const
{
boost::mutex::scoped_lock lock (_history_mutex);
if (int (_time_history.size()) < _history_size) {
return _history_size / (seconds (now) - seconds (_time_history.back ()));
}
-/** @return true if the last frame to be processed was skipped as it already existed */
-bool
-Encoder::skipping () const
-{
- boost::mutex::scoped_lock (_history_mutex);
- return _just_skipped;
-}
-
/** @return Number of video frames that have been sent out */
int
Encoder::video_frames_out () const
Encoder::frame_done ()
{
boost::mutex::scoped_lock lock (_history_mutex);
- _just_skipped = false;
struct timeval tv;
gettimeofday (&tv, 0);
}
}
-/** Called by a subclass when it has just skipped the processing
- of a frame because it has already been done.
-*/
-void
-Encoder::frame_skipped ()
-{
- boost::mutex::scoped_lock lock (_history_mutex);
- _just_skipped = true;
-}
-
void
-Encoder::process_video (shared_ptr<Image> image, bool same, boost::shared_ptr<Subtitle> sub)
+Encoder::process_video (shared_ptr<const Image> image, bool same)
{
- DCPFrameRate dfr (_film->frames_per_second ());
-
- if (dfr.skip && (_video_frames_in % 2)) {
- ++_video_frames_in;
- return;
- }
-
- boost::mutex::scoped_lock lock (_worker_mutex);
+ boost::mutex::scoped_lock lock (_mutex);
/* Wait until the queue has gone down a bit */
- while (_encode_queue.size() >= _worker_threads.size() * 2 && !_terminate_encoder) {
- TIMING ("decoder sleeps with queue of %1", _encode_queue.size());
- _worker_condition.wait (lock);
- TIMING ("decoder wakes with queue of %1", _encode_queue.size());
+ while (_queue.size() >= _threads.size() * 2 && !_terminate) {
+ TIMING ("decoder sleeps with queue of %1", _queue.size());
+ _condition.wait (lock);
+ TIMING ("decoder wakes with queue of %1", _queue.size());
}
- if (_terminate_encoder) {
+ if (_terminate) {
return;
}
- /* Only do the processing if we don't already have a file for this frame */
- if (boost::filesystem::exists (_film->frame_out_path (_video_frames_out, false))) {
- frame_skipped ();
- return;
+ if (_writer->thrown ()) {
+ _writer->rethrow ();
}
- if (same && _have_a_real_frame) {
+ if (_writer->can_fake_write (_video_frames_out)) {
+ _writer->fake_write (_video_frames_out);
+ _have_a_real_frame = false;
+ frame_done ();
+ } else if (same && _have_a_real_frame) {
/* Use the last frame that we encoded. */
_writer->repeat (_video_frames_out);
frame_done ();
} else {
/* Queue this new frame for encoding */
- pair<string, string> const s = Filter::ffmpeg_strings (_film->filters());
- TIMING ("adding to queue of %1", _encode_queue.size ());
- _encode_queue.push_back (boost::shared_ptr<DCPVideoFrame> (
+ TIMING ("adding to queue of %1", _queue.size ());
+ /* XXX: padding */
+ _queue.push_back (shared_ptr<DCPVideoFrame> (
new DCPVideoFrame (
- image, sub, _film->format()->dcp_size(), _film->format()->dcp_padding (_film),
- _film->subtitle_offset(), _film->subtitle_scale(),
- _film->scaler(), _video_frames_out, _film->frames_per_second(), s.second,
- _film->colour_lut(), _film->j2k_bandwidth(),
- _film->log()
+ image, _video_frames_out, _film->dcp_video_frame_rate(),
+ _film->colour_lut(), _film->j2k_bandwidth(), _film->log()
)
));
- _worker_condition.notify_all ();
+ _condition.notify_all ();
_have_a_real_frame = true;
}
- ++_video_frames_in;
++_video_frames_out;
-
- if (dfr.repeat) {
- _writer->repeat (_video_frames_out);
- ++_video_frames_out;
- frame_done ();
- }
}
void
-Encoder::process_audio (shared_ptr<AudioBuffers> data)
+Encoder::process_audio (shared_ptr<const AudioBuffers> data)
{
-#if HAVE_SWRESAMPLE
- /* Maybe sample-rate convert */
- if (_swr_context) {
-
- /* Compute the resampled frames count and add 32 for luck */
- int const max_resampled_frames = ceil ((int64_t) data->frames() * _film->target_audio_sample_rate() / _film->audio_stream()->sample_rate()) + 32;
-
- shared_ptr<AudioBuffers> resampled (new AudioBuffers (_film->audio_stream()->channels(), max_resampled_frames));
-
- /* Resample audio */
- int const resampled_frames = swr_convert (
- _swr_context, (uint8_t **) resampled->data(), max_resampled_frames, (uint8_t const **) data->data(), data->frames()
- );
-
- if (resampled_frames < 0) {
- throw EncodeError ("could not run sample-rate converter");
- }
-
- resampled->set_frames (resampled_frames);
-
- /* And point our variables at the resampled audio */
- data = resampled;
- }
-#endif
-
- if (_film->audio_channels() == 1) {
- /* We need to switch things around so that the mono channel is on
- the centre channel of a 5.1 set (with other channels silent).
- */
-
- shared_ptr<AudioBuffers> b (new AudioBuffers (6, data->frames ()));
- b->make_silent (libdcp::LEFT);
- b->make_silent (libdcp::RIGHT);
- memcpy (b->data()[libdcp::CENTRE], data->data()[0], data->frames() * sizeof(float));
- b->make_silent (libdcp::LFE);
- b->make_silent (libdcp::LS);
- b->make_silent (libdcp::RS);
-
- data = b;
- }
-
_writer->write (data);
}
void
-Encoder::terminate_worker_threads ()
+Encoder::terminate_threads ()
{
- boost::mutex::scoped_lock lock (_worker_mutex);
- _terminate_encoder = true;
- _worker_condition.notify_all ();
+ boost::mutex::scoped_lock lock (_mutex);
+ _terminate = true;
+ _condition.notify_all ();
lock.unlock ();
- for (list<boost::thread *>::iterator i = _worker_threads.begin(); i != _worker_threads.end(); ++i) {
- (*i)->join ();
+ for (list<boost::thread *>::iterator i = _threads.begin(); i != _threads.end(); ++i) {
+ if ((*i)->joinable ()) {
+ (*i)->join ();
+ }
delete *i;
}
+
+ _threads.clear ();
}
void
while (1) {
TIMING ("encoder thread %1 sleeps", boost::this_thread::get_id());
- boost::mutex::scoped_lock lock (_worker_mutex);
- while (_encode_queue.empty () && !_terminate_encoder) {
- _worker_condition.wait (lock);
+ boost::mutex::scoped_lock lock (_mutex);
+ while (_queue.empty () && !_terminate) {
+ _condition.wait (lock);
}
- if (_terminate_encoder) {
+ if (_terminate) {
return;
}
- TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _encode_queue.size());
- boost::shared_ptr<DCPVideoFrame> vf = _encode_queue.front ();
- _film->log()->log (String::compose ("Encoder thread %1 pops frame %2 from queue", boost::this_thread::get_id(), vf->frame()), Log::VERBOSE);
- _encode_queue.pop_front ();
+ TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
+ shared_ptr<DCPVideoFrame> vf = _queue.front ();
+ _film->log()->log (String::compose (N_("Encoder thread %1 pops frame %2 from queue"), boost::this_thread::get_id(), vf->frame()), Log::VERBOSE);
+ _queue.pop_front ();
lock.unlock ();
encoded = vf->encode_remotely (server);
if (remote_backoff > 0) {
- _film->log()->log (String::compose ("%1 was lost, but now she is found; removing backoff", server->host_name ()));
+ _film->log()->log (String::compose (N_("%1 was lost, but now she is found; removing backoff"), server->host_name ()));
}
/* This job succeeded, so remove any backoff */
}
_film->log()->log (
String::compose (
- "Remote encode of %1 on %2 failed (%3); thread sleeping for %4s",
+ N_("Remote encode of %1 on %2 failed (%3); thread sleeping for %4s"),
vf->frame(), server->host_name(), e.what(), remote_backoff)
);
}
encoded = vf->encode_locally ();
TIMING ("encoder thread %1 finishes local encode of %2", boost::this_thread::get_id(), vf->frame());
} catch (std::exception& e) {
- _film->log()->log (String::compose ("Local encode failed (%1)", e.what ()));
+ _film->log()->log (String::compose (N_("Local encode failed (%1)"), e.what ()));
}
}
} else {
lock.lock ();
_film->log()->log (
- String::compose ("Encoder thread %1 pushes frame %2 back onto queue after failure", boost::this_thread::get_id(), vf->frame())
+ String::compose (N_("Encoder thread %1 pushes frame %2 back onto queue after failure"), boost::this_thread::get_id(), vf->frame())
);
- _encode_queue.push_front (vf);
+ _queue.push_front (vf);
lock.unlock ();
}
if (remote_backoff > 0) {
- dvdomatic_sleep (remote_backoff);
+ dcpomatic_sleep (remote_backoff);
}
lock.lock ();
- _worker_condition.notify_all ();
+ _condition.notify_all ();
}
}
projects / dcpomatic.git / blobdiff