#include "util.h"
#include "reel_writer.h"
#include <dcp/cpl.h>
+#include <dcp/locale_convert.h>
#include <boost/foreach.hpp>
#include <fstream>
#include <cerrno>
Writer::start ()
{
_thread = new boost::thread (boost::bind (&Writer::thread, this));
+#ifdef DCPOMATIC_LINUX
+ pthread_setname_np (_thread->native_handle(), "writer");
+#endif
}
Writer::~Writer ()
}
/** Write some audio frames to the DCP.
- * @param audio Audio data or 0 if there is no audio to be written here (i.e. it is referenced).
+ * @param audio Audio data.
+ * @param time Time of this data within the DCP.
* This method is not thread safe.
*/
void
-Writer::write (shared_ptr<const AudioBuffers> audio)
+Writer::write (shared_ptr<const AudioBuffers> audio, DCPTime const time)
{
+ DCPOMATIC_ASSERT (audio);
+
+ int const afr = _film->audio_frame_rate();
+
+ DCPTime const end = time + DCPTime::from_frames(audio->frames(), afr);
+
/* The audio we get might span a reel boundary, and if so we have to write it in bits */
- int32_t offset = 0;
- while (offset < audio->frames ()) {
+ DCPTime t = time;
+ while (t < end) {
if (_audio_reel == _reels.end ()) {
/* This audio is off the end of the last reel; ignore it */
return;
}
- int32_t const this_time = min (
- audio->frames() - offset,
- (int32_t) (_audio_reel->period().duration().frames_floor(_film->audio_frame_rate()) - _audio_reel->total_written_audio_frames())
- );
-
- if (this_time == audio->frames()) {
+ if (end <= _audio_reel->period().to) {
/* Easy case: we can write all the audio to this reel */
_audio_reel->write (audio);
+ t = end;
} else {
- /* Write the part we can */
- shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), this_time));
- part->copy_from (audio.get(), this_time, offset, 0);
- _audio_reel->write (part);
+ /* Split the audio into two and write the first part */
+ DCPTime part_lengths[2] = {
+ _audio_reel->period().to - t,
+ end - _audio_reel->period().to
+ };
+
+ Frame part_frames[2] = {
+ part_lengths[0].frames_ceil(afr),
+ part_lengths[1].frames_ceil(afr)
+ };
+
+ if (part_frames[0]) {
+ shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), part_frames[0]));
+ part->copy_from (audio.get(), part_frames[0], 0, 0);
+ _audio_reel->write (part);
+ }
+
+ if (part_frames[1]) {
+ shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), part_frames[1]));
+ part->copy_from (audio.get(), part_frames[1], part_frames[0], 0);
+ audio = part;
+ } else {
+ audio.reset ();
+ }
+
++_audio_reel;
+ t += part_lengths[0];
}
-
- offset += this_time;
}
}
string text = Config::instance()->cover_sheet ();
boost::algorithm::replace_all (text, "$CPL_NAME", _film->name());
boost::algorithm::replace_all (text, "$TYPE", _film->dcp_content_type()->pretty_name());
- boost::algorithm::replace_all (text, "$CONTAINER", _film->container()->nickname());
+ boost::algorithm::replace_all (text, "$CONTAINER", _film->container()->container_nickname());
+ boost::algorithm::replace_all (text, "$AUDIO_LANGUAGE", _film->isdcf_metadata().audio_language);
+ boost::algorithm::replace_all (text, "$SUBTITLE_LANGUAGE", _film->isdcf_metadata().subtitle_language);
+
+ boost::uintmax_t size = 0;
+ for (
+ boost::filesystem::recursive_directory_iterator i = boost::filesystem::recursive_directory_iterator(_film->dir(_film->dcp_name()));
+ i != boost::filesystem::recursive_directory_iterator();
+ ++i) {
+ if (boost::filesystem::is_regular_file (i->path ())) {
+ size += boost::filesystem::file_size (i->path ());
+ }
+ }
+
+ if (size > (1000000000L)) {
+ boost::algorithm::replace_all (text, "$SIZE", String::compose ("%1GB", dcp::locale_convert<string> (size / 1000000000.0, 1, true)));
+ } else {
+ boost::algorithm::replace_all (text, "$SIZE", String::compose ("%1MB", dcp::locale_convert<string> (size / 1000000.0, 1, true)));
+ }
pair<int, int> ch = audio_channel_types (_film->mapped_audio_channels(), _film->audio_channels());
string description = String::compose("%1.%2", ch.first, ch.second);
bool
Writer::can_fake_write (Frame frame) const
{
+ if (_film->encrypted()) {
+ /* We need to re-write the frame because the asset ID is embedded in the HMAC... I think... */
+ return false;
+ }
+
/* We have to do a proper write of the first frame so that we can set up the JPEG2000
parameters in the asset writer.
*/
void
Writer::set_encoder_threads (int threads)
{
- /* I think the scaling factor here should be the ratio of the longest frame
- encode time to the shortest; if the thread count is T, longest time is L
- and the shortest time S we could encode L/S frames per thread whilst waiting
- for the L frame to encode so we might have to store LT/S frames.
-
- However we don't want to use too much memory, so keep it a bit lower than we'd
- perhaps like. A J2K frame is typically about 1Mb so 3 here will mean we could
- use about 240Mb with 72 encoding threads.
- */
- _maximum_frames_in_memory = lrint (threads * 3);
+ _maximum_frames_in_memory = lrint (threads * Config::instance()->frames_in_memory_multiplier());
}
void
projects / dcpomatic.git / blobdiff