/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of libdcp.
+
+ libdcp is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ libdcp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
/** @file src/sound_mxf.cc
#include "exceptions.h"
#include "sound_frame.h"
#include "sound_asset_writer.h"
+#include "sound_asset_reader.h"
#include "compose.hpp"
-#include "KM_fileio.h"
-#include "AS_DCP.h"
#include "dcp_assert.h"
+#include <asdcp/KM_fileio.h>
+#include <asdcp/AS_DCP.h>
#include <libxml++/nodes/element.h>
#include <boost/filesystem.hpp>
-#include <iostream>
#include <stdexcept>
using std::string;
-using std::stringstream;
-using std::ostream;
using std::vector;
using std::list;
using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
using namespace dcp;
SoundAsset::SoundAsset (boost::filesystem::path file)
_id = read_writer_info (info);
}
-SoundAsset::SoundAsset (Fraction edit_rate, int sampling_rate, int channels)
- : _edit_rate (edit_rate)
+SoundAsset::SoundAsset (Fraction edit_rate, int sampling_rate, int channels, Standard standard)
+ : MXF (standard)
+ , _edit_rate (edit_rate)
, _intrinsic_duration (0)
, _channels (channels)
, _sampling_rate (sampling_rate)
SoundAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
{
ASDCP::PCM::MXFReader reader_A;
- Kumu::Result_t r = reader_A.OpenRead (file().string().c_str());
+ DCP_ASSERT (file ());
+ 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));
+ boost::throw_exception (MXFFileError ("could not open MXF file for reading", file()->string(), r));
}
ASDCP::PCM::MXFReader reader_B;
- r = reader_B.OpenRead (other->file().string().c_str());
+ 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));
+ boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file()->string(), r));
}
ASDCP::PCM::AudioDescriptor desc_A;
boost::throw_exception (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 ||
- ) {
-
- note (DCP_ERROR, "audio MXF picture descriptors differ");
+ if (desc_A.EditRate != desc_B.EditRate) {
+ note (
+ DCP_ERROR,
+ String::compose (
+ "audio edit rates differ: %1/%2 cf %3/%4",
+ desc_A.EditRate.Numerator, desc_A.EditRate.Denominator, desc_B.EditRate.Numerator, desc_B.EditRate.Denominator
+ )
+ );
+ return false;
+ } else if (desc_A.AudioSamplingRate != desc_B.AudioSamplingRate) {
+ note (
+ DCP_ERROR,
+ String::compose (
+ "audio sampling rates differ: %1 cf %2",
+ desc_A.AudioSamplingRate.Numerator, desc_A.AudioSamplingRate.Denominator,
+ desc_B.AudioSamplingRate.Numerator, desc_B.AudioSamplingRate.Numerator
+ )
+ );
+ return false;
+ } else if (desc_A.Locked != desc_B.Locked) {
+ note (DCP_ERROR, String::compose ("audio locked flags differ: %1 cf %2", desc_A.Locked, desc_B.Locked));
+ return false;
+ } else if (desc_A.ChannelCount != desc_B.ChannelCount) {
+ note (DCP_ERROR, String::compose ("audio channel counts differ: %1 cf %2", desc_A.ChannelCount, desc_B.ChannelCount));
+ return false;
+ } else if (desc_A.QuantizationBits != desc_B.QuantizationBits) {
+ note (DCP_ERROR, String::compose ("audio bits per sample differ: %1 cf %2", desc_A.QuantizationBits, desc_B.QuantizationBits));
return false;
+ } else if (desc_A.BlockAlign != desc_B.BlockAlign) {
+ note (DCP_ERROR, String::compose ("audio bytes per sample differ: %1 cf %2", desc_A.BlockAlign, desc_B.BlockAlign));
+ return false;
+ } else if (desc_A.AvgBps != desc_B.AvgBps) {
+ note (DCP_ERROR, String::compose ("audio average bps differ: %1 cf %2", desc_A.AvgBps, desc_B.AvgBps));
+ return false;
+ } else if (desc_A.LinkedTrackID != desc_B.LinkedTrackID) {
+ note (DCP_ERROR, String::compose ("audio linked track IDs differ: %1 cf %2", desc_A.LinkedTrackID, desc_B.LinkedTrackID));
+ return false;
+ } else if (desc_A.ContainerDuration != desc_B.ContainerDuration) {
+ note (DCP_ERROR, String::compose ("audio container durations differ: %1 cf %2", desc_A.ContainerDuration, desc_B.ContainerDuration));
+ return false;
+ } else if (desc_A.ChannelFormat != desc_B.ChannelFormat) {
+ /* XXX */
}
- ASDCP::PCM::FrameBuffer buffer_A (1 * Kumu::Megabyte);
- ASDCP::PCM::FrameBuffer buffer_B (1 * Kumu::Megabyte);
+ shared_ptr<const SoundAsset> other_sound = dynamic_pointer_cast<const SoundAsset> (other);
+
+ shared_ptr<const SoundAssetReader> reader = start_read ();
+ shared_ptr<const SoundAssetReader> other_reader = other_sound->start_read ();
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"));
- }
- if (ASDCP_FAILURE (reader_B.ReadFrame (i, buffer_B))) {
- boost::throw_exception (DCPReadError ("could not read audio frame"));
- }
+ shared_ptr<const SoundFrame> frame_A = reader->get_frame (i);
+ shared_ptr<const SoundFrame> frame_B = other_reader->get_frame (i);
- if (buffer_A.Size() != buffer_B.Size()) {
+ if (frame_A->size() != frame_B->size()) {
note (DCP_ERROR, String::compose ("sizes of audio data for frame %1 differ", i));
return false;
}
- 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 (memcmp (frame_A->data(), frame_B->data(), frame_A->size()) != 0) {
+ for (int i = 0; i < frame_A->size(); ++i) {
+ int const d = abs (frame_A->data()[i] - frame_B->data()[i]);
if (d > opt.max_audio_sample_error) {
note (DCP_ERROR, String::compose ("PCM data difference of %1", d));
return false;
return true;
}
-shared_ptr<const SoundFrame>
-SoundAsset::get_frame (int n) const
+shared_ptr<SoundAssetWriter>
+SoundAsset::start_write (boost::filesystem::path file)
{
- /* XXX: should add on entry point here? */
- return shared_ptr<const SoundFrame> (new SoundFrame (file(), n, _decryption_context));
+ /* XXX: can't we use a shared_ptr here? */
+ return shared_ptr<SoundAssetWriter> (new SoundAssetWriter (this, file));
}
-shared_ptr<SoundAssetWriter>
-SoundAsset::start_write (boost::filesystem::path file, Standard standard)
+shared_ptr<SoundAssetReader>
+SoundAsset::start_read () const
{
- /* XXX: can't we use a shared_ptr here? */
- return shared_ptr<SoundAssetWriter> (new SoundAssetWriter (this, file, standard));
+ return shared_ptr<SoundAssetReader> (new SoundAssetReader (this, key(), standard()));
}
string
DCP_ASSERT (false);
}
}
+
+bool
+SoundAsset::valid_mxf (boost::filesystem::path file)
+{
+ ASDCP::PCM::MXFReader reader;
+ Kumu::Result_t r = reader.OpenRead (file.string().c_str ());
+ return !ASDCP_FAILURE (r);
+}
projects / libdcp.git / blobdiff