*/
-#include "asset.h"
+#ifndef LIBDCP_SOUND_ASSET_H
+#define LIBDCP_SOUND_ASSET_H
+
+/** @file src/sound_asset.h
+ * @brief An asset made up of PCM audio data files
+ */
+
+#include "mxf_asset.h"
+#include "types.h"
+#include "metadata.h"
namespace libdcp
{
-class SoundAsset : public Asset
+class SoundFrame;
+class SoundAsset;
+
+class SoundAssetWriter
+{
+public:
+ ~SoundAssetWriter ();
+
+ void write (float const * const *, int);
+ void finalize ();
+
+private:
+ friend class SoundAsset;
+
+ SoundAssetWriter (SoundAsset *, MXFMetadata const &);
+
+ /* no copy construction */
+ SoundAssetWriter (SoundAssetWriter const &);
+ SoundAssetWriter& operator= (SoundAssetWriter const &);
+
+ void write_current_frame ();
+
+ /* do this with an opaque pointer so we don't have to include
+ ASDCP headers
+ */
+
+ struct ASDCPState;
+ boost::shared_ptr<ASDCPState> _state;
+
+ SoundAsset* _asset;
+ bool _finalized;
+ int _frames_written;
+ int _frame_buffer_offset;
+ MXFMetadata _metadata;
+};
+
+/** @brief An asset made up of WAV files */
+class SoundAsset : public MXFAsset
{
public:
- SoundAsset (std::list<std::string> const &, std::string, int, int);
+ /** Construct a SoundAsset, generating the MXF from some WAV files.
+ * This may take some time; progress is indicated by emission of the Progress signal.
+ * @param files Pathnames of sound files, in the order Left, Right, Centre, Lfe (sub), Left surround, Right surround.
+ * @param directory Directory in which to create MXF file.
+ * @param mxf_name Name of MXF file to create.
+ * @param progress Signal to inform of progress.
+ * @param fps Frames per second.
+ * @param intrinsic_duration Length of the whole asset in frames.
+ * Note that this is different to entry_point in that the asset will contain no data before start_frame.
+ */
+ SoundAsset (
+ std::vector<std::string> const & files,
+ std::string directory,
+ std::string mxf_name,
+ boost::signals2::signal<void (float)>* progress,
+ int fps,
+ int intrinsic_duration,
+ MXFMetadata const & metadata = MXFMetadata ()
+ );
+
+ /** Construct a SoundAsset, generating the MXF from some WAV files.
+ * This may take some time; progress is indicated by emission of the Progress signal.
+ * @param get_path Functor which returns a WAV file path for a given channel.
+ * @param directory Directory in which to create MXF file.
+ * @param mxf_name Name of MXF file to create.
+ * @param progress Signal to inform of progress.
+ * @param fps Frames per second.
+ * @param intrinsic_duration Length of the whole asset in frames.
+ * @param channels Number of audio channels.
+ */
+ SoundAsset (
+ boost::function<std::string (Channel)> get_path,
+ std::string directory,
+ std::string mxf_name,
+ boost::signals2::signal<void (float)>* progress,
+ int fps,
+ int intrinsic_duration,
+ int channels,
+ MXFMetadata const & metadata = MXFMetadata ()
+ );
+
+ SoundAsset (
+ std::string directory,
+ std::string mxf_name
+ );
+
+ SoundAsset (
+ std::string directory,
+ std::string mxf_name,
+ int fps,
+ int channels,
+ int sampling_rate
+ );
+
+ boost::shared_ptr<SoundAssetWriter> start_write (MXFMetadata const & metadata = MXFMetadata ());
+
+ /** Write details of this asset to a CPL XML node.
+ * @param node Node.
+ */
+ void write_to_cpl (xmlpp::Node* node) const;
- void write_to_cpl (std::ostream &) const;
+ bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
+
+ boost::shared_ptr<const SoundFrame> get_frame (int n) const;
+
+ int channels () const {
+ return _channels;
+ }
+
+ int sampling_rate () const {
+ return _sampling_rate;
+ }
+
+private:
+ void construct (boost::function<std::string (Channel)> get_path, MXFMetadata const &);
+ std::string path_from_channel (Channel channel, std::vector<std::string> const & files);
+
+ /** Number of channels in the asset */
+ int _channels;
+ int _sampling_rate;
};
}
+
+#endif
projects / libdcp.git / blobdiff