/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
-/** @file src/sound_asset.cc
- * @brief An asset made up of WAV files
+/** @file src/sound_mxf.cc
+ * @brief SoundAsset class.
*/
-#include <iostream>
-#include <stdexcept>
-#include <boost/filesystem.hpp>
-#include <boost/lexical_cast.hpp>
-#include "KM_fileio.h"
-#include "AS_DCP.h"
#include "sound_asset.h"
#include "util.h"
#include "exceptions.h"
+#include "sound_frame.h"
+#include "sound_asset_writer.h"
+#include "compose.hpp"
+#include "KM_fileio.h"
+#include "AS_DCP.h"
+#include "dcp_assert.h"
+#include <libxml++/nodes/element.h>
+#include <boost/filesystem.hpp>
+#include <iostream>
+#include <stdexcept>
-using namespace std;
-using namespace boost;
-using namespace libdcp;
+using std::string;
+using std::stringstream;
+using std::ostream;
+using std::vector;
+using std::list;
+using boost::shared_ptr;
+using namespace dcp;
-SoundAsset::SoundAsset (
- vector<string> const & files, string directory, string mxf_name, sigc::signal1<void, float>* progress, int fps, int length
- )
- : Asset (directory, mxf_name, progress, fps, length)
- , _channels (files.size ())
+SoundAsset::SoundAsset (boost::filesystem::path file)
+ : Asset (file)
{
- construct (sigc::bind (sigc::mem_fun (*this, &SoundAsset::path_from_channel), files));
-}
+ ASDCP::PCM::MXFReader reader;
+ Kumu::Result_t r = reader.OpenRead (file.string().c_str());
+ if (ASDCP_FAILURE (r)) {
+ boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
+ }
-SoundAsset::SoundAsset (
- sigc::slot<string, Channel> get_path, string directory, string mxf_name, sigc::signal1<void, float>* progress, int fps, int length, int channels
- )
- : Asset (directory, mxf_name, progress, fps, length)
- , _channels (channels)
-{
- construct (get_path);
-}
+ ASDCP::PCM::AudioDescriptor desc;
+ if (ASDCP_FAILURE (reader.FillAudioDescriptor (desc))) {
+ boost::throw_exception (DCPReadError ("could not read audio MXF information"));
+ }
-SoundAsset::SoundAsset (string directory, string mxf_name, int fps, int length)
- : Asset (directory, mxf_name, 0, fps, length)
- , _channels (0)
-{
+ _sampling_rate = desc.AudioSamplingRate.Numerator / desc.AudioSamplingRate.Denominator;
+ _channels = desc.ChannelCount;
+ _edit_rate = Fraction (desc.EditRate.Numerator, desc.EditRate.Denominator);
+
+ _intrinsic_duration = desc.ContainerDuration;
+ ASDCP::WriterInfo info;
+ if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
+ boost::throw_exception (DCPReadError ("could not read audio MXF information"));
+ }
+
+ _id = read_writer_info (info);
}
-string
-SoundAsset::path_from_channel (Channel channel, vector<string> const & files)
+SoundAsset::SoundAsset (Fraction edit_rate, int sampling_rate, int channels)
+ : _edit_rate (edit_rate)
+ , _intrinsic_duration (0)
+ , _channels (channels)
+ , _sampling_rate (sampling_rate)
{
- unsigned int const c = int (channel);
- assert (c < files.size ());
- return files[c];
+
}
-void
-SoundAsset::construct (sigc::slot<string, Channel> get_path)
+bool
+SoundAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
{
- ASDCP::Rational asdcp_fps (_fps, 1);
-
- ASDCP::PCM::WAVParser pcm_parser_channel[_channels];
- if (pcm_parser_channel[0].OpenRead (get_path(LEFT).c_str(), asdcp_fps)) {
- throw FileError ("could not open WAV file for reading", get_path(LEFT));
+ ASDCP::PCM::MXFReader reader_A;
+ Kumu::Result_t r = reader_A.OpenRead (file().string().c_str());
+ if (ASDCP_FAILURE (r)) {
+ boost::throw_exception (MXFFileError ("could not open MXF file for reading", file().string(), r));
}
-
- ASDCP::PCM::AudioDescriptor audio_desc;
- pcm_parser_channel[0].FillAudioDescriptor (audio_desc);
- audio_desc.ChannelCount = 0;
- audio_desc.BlockAlign = 0;
- audio_desc.EditRate = asdcp_fps;
- audio_desc.AvgBps = audio_desc.AvgBps * _channels;
-
- Channel channels[] = {
- LEFT,
- RIGHT,
- CENTRE,
- LFE,
- LS,
- RS
- };
-
- ASDCP::PCM::FrameBuffer frame_buffer_channel[_channels];
- ASDCP::PCM::AudioDescriptor audio_desc_channel[_channels];
-
- for (int i = 0; i < _channels; ++i) {
-
- string const path = get_path (channels[i]);
-
- if (ASDCP_FAILURE (pcm_parser_channel[i].OpenRead (path.c_str(), asdcp_fps))) {
- throw FileError ("could not open WAV file for reading", path);
- }
-
- pcm_parser_channel[i].FillAudioDescriptor (audio_desc_channel[i]);
- frame_buffer_channel[i].Capacity (ASDCP::PCM::CalcFrameBufferSize (audio_desc_channel[i]));
- audio_desc.ChannelCount += audio_desc_channel[i].ChannelCount;
- audio_desc.BlockAlign += audio_desc_channel[i].BlockAlign;
+ ASDCP::PCM::MXFReader reader_B;
+ r = reader_B.OpenRead (other->file().string().c_str());
+ if (ASDCP_FAILURE (r)) {
+ boost::throw_exception (MXFFileError ("could not open MXF file for reading", file().string(), r));
}
- ASDCP::PCM::FrameBuffer frame_buffer;
- frame_buffer.Capacity (ASDCP::PCM::CalcFrameBufferSize (audio_desc));
- frame_buffer.Size (ASDCP::PCM::CalcFrameBufferSize (audio_desc));
-
- ASDCP::WriterInfo writer_info;
- fill_writer_info (&writer_info);
-
- ASDCP::PCM::MXFWriter mxf_writer;
- if (ASDCP_FAILURE (mxf_writer.OpenWrite (mxf_path().string().c_str(), writer_info, audio_desc))) {
- throw FileError ("could not open audio MXF for writing", mxf_path().string());
+ ASDCP::PCM::AudioDescriptor desc_A;
+ if (ASDCP_FAILURE (reader_A.FillAudioDescriptor (desc_A))) {
+ boost::throw_exception (DCPReadError ("could not read audio MXF information"));
+ }
+ ASDCP::PCM::AudioDescriptor desc_B;
+ if (ASDCP_FAILURE (reader_B.FillAudioDescriptor (desc_B))) {
+ boost::throw_exception (DCPReadError ("could not read audio MXF information"));
}
- for (int i = 0; i < _length; ++i) {
+ if (
+ desc_A.EditRate != desc_B.EditRate ||
+ desc_A.AudioSamplingRate != desc_B.AudioSamplingRate ||
+ desc_A.Locked != desc_B.Locked ||
+ desc_A.ChannelCount != desc_B.ChannelCount ||
+ desc_A.QuantizationBits != desc_B.QuantizationBits ||
+ desc_A.BlockAlign != desc_B.BlockAlign ||
+ desc_A.AvgBps != desc_B.AvgBps ||
+ desc_A.LinkedTrackID != desc_B.LinkedTrackID ||
+ desc_A.ContainerDuration != desc_B.ContainerDuration
+// desc_A.ChannelFormat != desc_B.ChannelFormat ||
+ ) {
+
+ note (DCP_ERROR, "audio MXF picture descriptors differ");
+ return false;
+ }
- byte_t *data_s = frame_buffer.Data();
- byte_t *data_e = data_s + frame_buffer.Capacity();
- byte_t sample_size = ASDCP::PCM::CalcSampleSize (audio_desc_channel[0]);
- int offset = 0;
+ ASDCP::PCM::FrameBuffer buffer_A (1 * Kumu::Megabyte);
+ ASDCP::PCM::FrameBuffer buffer_B (1 * Kumu::Megabyte);
- for (int j = 0; j < _channels; ++j) {
- memset (frame_buffer_channel[j].Data(), 0, frame_buffer_channel[j].Capacity());
- if (ASDCP_FAILURE (pcm_parser_channel[j].ReadFrame (frame_buffer_channel[j]))) {
- throw MiscError ("could not read audio frame");
- }
-
- if (frame_buffer_channel[j].Size() != frame_buffer_channel[j].Capacity()) {
- throw MiscError ("short audio frame");
- }
+ for (int i = 0; i < _intrinsic_duration; ++i) {
+ if (ASDCP_FAILURE (reader_A.ReadFrame (i, buffer_A))) {
+ boost::throw_exception (DCPReadError ("could not read audio frame"));
}
- while (data_s < data_e) {
- for (int j = 0; j < _channels; ++j) {
- byte_t* frame = frame_buffer_channel[j].Data() + offset;
- memcpy (data_s, frame, sample_size);
- data_s += sample_size;
- }
- offset += sample_size;
+ if (ASDCP_FAILURE (reader_B.ReadFrame (i, buffer_B))) {
+ boost::throw_exception (DCPReadError ("could not read audio frame"));
}
- if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
- throw MiscError ("could not write audio MXF frame");
+ if (buffer_A.Size() != buffer_B.Size()) {
+ note (DCP_ERROR, String::compose ("sizes of audio data for frame %1 differ", i));
+ return false;
}
- (*_progress) (0.5 * float (i) / _length);
+ if (memcmp (buffer_A.RoData(), buffer_B.RoData(), buffer_A.Size()) != 0) {
+ for (uint32_t i = 0; i < buffer_A.Size(); ++i) {
+ int const d = abs (buffer_A.RoData()[i] - buffer_B.RoData()[i]);
+ if (d > opt.max_audio_sample_error) {
+ note (DCP_ERROR, String::compose ("PCM data difference of %1", d));
+ return false;
+ }
+ }
+ }
}
- if (ASDCP_FAILURE (mxf_writer.Finalize())) {
- throw MiscError ("could not finalise audio MXF");
- }
+ return true;
}
-void
-SoundAsset::write_to_cpl (ostream& s) const
+shared_ptr<const SoundFrame>
+SoundAsset::get_frame (int n) const
{
- s << " <MainSound>\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <AnnotationText>" << _mxf_name << "</AnnotationText>\n"
- << " <EditRate>" << _fps << " 1</EditRate>\n"
- << " <IntrinsicDuration>" << _length << "</IntrinsicDuration>\n"
- << " <EntryPoint>0</EntryPoint>\n"
- << " <Duration>" << _length << "</Duration>\n"
- << " </MainSound>\n";
+ /* XXX: should add on entry point here? */
+ return shared_ptr<const SoundFrame> (new SoundFrame (file(), n, _decryption_context));
}
-list<string>
-SoundAsset::equals (shared_ptr<const Asset> other, EqualityFlags flags, double max_mean, double max_std_dev) const
+shared_ptr<SoundAssetWriter>
+SoundAsset::start_write (boost::filesystem::path file, Standard standard)
{
- list<string> notes = Asset::equals (other, flags, max_mean, max_std_dev);
-
- if (flags & MXF_INSPECT) {
- ASDCP::PCM::MXFReader reader_A;
- if (ASDCP_FAILURE (reader_A.OpenRead (mxf_path().string().c_str()))) {
- cout << "failed " << mxf_path() << "\n";
- throw FileError ("could not open MXF file for reading", mxf_path().string());
- }
-
- ASDCP::PCM::MXFReader reader_B;
- if (ASDCP_FAILURE (reader_B.OpenRead (other->mxf_path().string().c_str()))) {
- cout << "failed " << other->mxf_path() << "\n";
- throw FileError ("could not open MXF file for reading", mxf_path().string());
- }
-
- ASDCP::PCM::AudioDescriptor desc_A;
- if (ASDCP_FAILURE (reader_A.FillAudioDescriptor (desc_A))) {
- throw DCPReadError ("could not read audio MXF information");
- }
- ASDCP::PCM::AudioDescriptor desc_B;
- if (ASDCP_FAILURE (reader_B.FillAudioDescriptor (desc_B))) {
- throw DCPReadError ("could not read audio MXF information");
- }
-
- if (
- desc_A.EditRate != desc_B.EditRate ||
- desc_A.AudioSamplingRate != desc_B.AudioSamplingRate ||
- desc_A.Locked != desc_B.Locked ||
- desc_A.ChannelCount != desc_B.ChannelCount ||
- desc_A.QuantizationBits != desc_B.QuantizationBits ||
- desc_A.BlockAlign != desc_B.BlockAlign ||
- desc_A.AvgBps != desc_B.AvgBps ||
- desc_A.LinkedTrackID != desc_B.LinkedTrackID ||
- desc_A.ContainerDuration != desc_B.ContainerDuration
-// desc_A.ChannelFormat != desc_B.ChannelFormat ||
- ) {
-
- notes.push_back ("audio MXF picture descriptors differ");
- }
-
- ASDCP::PCM::FrameBuffer buffer_A (1 * Kumu::Megabyte);
- ASDCP::PCM::FrameBuffer buffer_B (1 * Kumu::Megabyte);
-
- for (int i = 0; i < _length; ++i) {
- if (ASDCP_FAILURE (reader_A.ReadFrame (0, buffer_A))) {
- throw DCPReadError ("could not read audio frame");
- }
-
- if (ASDCP_FAILURE (reader_B.ReadFrame (0, buffer_B))) {
- throw DCPReadError ("could not read audio frame");
- }
-
- if (buffer_A.Size() != buffer_B.Size()) {
- notes.push_back ("sizes of video data for frame " + lexical_cast<string>(i) + " differ");
- continue;
- }
+ /* XXX: can't we use a shared_ptr here? */
+ return shared_ptr<SoundAssetWriter> (new SoundAssetWriter (this, file, standard));
+}
- if (memcmp (buffer_A.RoData(), buffer_B.RoData(), buffer_A.Size()) != 0) {
- notes.push_back ("PCM data for frame " + lexical_cast<string>(i) + " differ");
- continue;
- }
- }
+string
+SoundAsset::pkl_type (Standard standard) const
+{
+ switch (standard) {
+ case INTEROP:
+ return "application/x-smpte-mxf;asdcpKind=Sound";
+ case SMPTE:
+ return "application/mxf";
+ default:
+ DCP_ASSERT (false);
}
-
- return notes;
}
projects / libdcp.git / blobdiff