#include <vector>
#include <boost/shared_ptr.hpp>
#include <boost/asio.hpp>
+#include <boost/optional.hpp>
+#include <boost/filesystem.hpp>
+#include <libdcp/util.h>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#define TIMING(...)
#endif
+#undef check
+
+/** The maximum number of audio channels that we can cope with */
+#define MAX_AUDIO_CHANNELS 6
+
class Scaler;
+class Film;
extern std::string seconds_to_hms (int);
extern std::string seconds_to_approximate_hms (int);
extern std::string dependency_version_summary ();
extern double seconds (struct timeval);
extern void dvdomatic_setup ();
+extern void dvdomatic_setup_gettext_i18n (std::string);
extern std::vector<std::string> split_at_spaces_considering_quotes (std::string);
extern std::string md5_digest (std::string);
extern std::string md5_digest (void const *, int);
extern void ensure_ui_thread ();
+extern std::string audio_channel_name (int);
+#ifdef DVDOMATIC_WINDOWS
+extern boost::filesystem::path mo_path ();
+#endif
typedef int SourceFrame;
-struct DCPFrameRate
+struct FrameRateConversion
{
- int frames_per_second;
- int skip;
- bool run_fast;
-};
-
-enum ContentType {
- STILL,
- VIDEO
-};
-
-/** @class Size
- * @brief Representation of the size of something */
-struct Size
-{
- /** Construct a zero Size */
- Size ()
- : width (0)
- , height (0)
- {}
+ FrameRateConversion (float, int);
+
+ /** @return factor by which to multiply a source frame rate
+ to get the effective rate after any skip or repeat has happened.
+ */
+ float factor () const {
+ if (skip) {
+ return 0.5;
+ } else if (repeat) {
+ return 2;
+ }
+
+ return 1;
+ }
- /** @param w Width.
- * @param h Height.
+ /** true to skip every other frame */
+ bool skip;
+ /** true to repeat every frame once */
+ bool repeat;
+ /** true if this DCP will run its video faster or slower than the source
+ * without taking into account `repeat' nor `skip'.
+ * (e.g. change_speed will be true if
+ * source is 29.97fps, DCP is 30fps
+ * source is 14.50fps, DCP is 30fps
+ * but not if
+ * source is 15.00fps, DCP is 30fps
+ * source is 12.50fps, DCP is 25fps)
*/
- Size (int w, int h)
- : width (w)
- , height (h)
- {}
+ bool change_speed;
- /** width */
- int width;
- /** height */
- int height;
+ std::string description;
};
-extern bool operator== (Size const & a, Size const & b);
+int best_dcp_frame_rate (float);
+
+enum ContentType {
+ STILL, ///< content is still images
+ VIDEO ///< content is a video
+};
-/** A description of the crop of an image or video. */
+/** @struct Crop
+ * @brief A description of the crop of an image or video.
+ */
struct Crop
{
Crop () : left (0), right (0), top (0), bottom (0) {}
extern bool operator== (Crop const & a, Crop const & b);
extern bool operator!= (Crop const & a, Crop const & b);
-/** A position */
+/** @struct Position
+ * @brief A position.
+ */
struct Position
{
Position ()
int y;
};
-/** A rectangle */
+namespace dvdomatic
+{
+
+/** @struct Rect
+ * @brief A rectangle.
+ */
struct Rect
{
Rect ()
return Position (x, y);
}
- Size size () const {
- return Size (width, height);
+ libdcp::Size size () const {
+ return libdcp::Size (width, height);
}
Rect intersection (Rect const & other) const;
};
-extern std::string crop_string (Position, Size);
+}
+
+extern std::string crop_string (Position, libdcp::Size);
extern int dcp_audio_sample_rate (int);
-extern DCPFrameRate dcp_frame_rate (float);
extern std::string colour_lut_index_to_name (int index);
-extern int round_up (int, int);
+extern int stride_round_up (int, int const *, int);
+extern int stride_lookup (int c, int const * stride);
extern std::multimap<std::string, std::string> read_key_value (std::istream& s);
extern int get_required_int (std::multimap<std::string, std::string> const & kv, std::string k);
extern float get_required_float (std::multimap<std::string, std::string> const & kv, std::string k);
* that are useful for DVD-o-matic.
*
* This class wraps some things that I could not work out how to do with boost;
- * most notably, sync read/write calls with timeouts, and the ability to peek into
- * data being read.
+ * most notably, sync read/write calls with timeouts.
*/
class Socket
{
public:
- Socket ();
+ Socket (int timeout = 30);
/** @return Our underlying socket */
boost::asio::ip::tcp::socket& socket () {
return _socket;
}
- void connect (boost::asio::ip::basic_resolver_entry<boost::asio::ip::tcp> const & endpoint, int timeout);
- void write (uint8_t const * data, int size, int timeout);
+ void connect (boost::asio::ip::basic_resolver_entry<boost::asio::ip::tcp> const & endpoint);
+
+ void write (uint32_t n);
+ void write (uint8_t const * data, int size);
- void read_definite_and_consume (uint8_t* data, int size, int timeout);
- void read_indefinite (uint8_t* data, int size, int timeout);
- void consume (int amount);
+ void read (uint8_t* data, int size);
+ uint32_t read_uint32 ();
private:
void check ();
- int read (uint8_t* data, int size, int timeout);
Socket (Socket const &);
boost::asio::io_service _io_service;
boost::asio::deadline_timer _deadline;
boost::asio::ip::tcp::socket _socket;
- /** a buffer for small reads */
- uint8_t _buffer[1024];
- /** amount of valid data in the buffer */
- int _buffer_data;
+ int _timeout;
};
+/** @class AudioBuffers
+ * @brief A class to hold multi-channel audio data in float format.
+ */
class AudioBuffers
{
public:
AudioBuffers (int channels, int frames);
+ AudioBuffers (AudioBuffers const &);
+ AudioBuffers (boost::shared_ptr<const AudioBuffers>);
~AudioBuffers ();
float** data () const {
float* data (int) const;
+ int channels () const {
+ return _channels;
+ }
+
int frames () const {
return _frames;
}
void set_frames (int f);
void make_silent ();
+ void make_silent (int c);
+
+ void copy_from (AudioBuffers* from, int frames_to_copy, int read_offset, int write_offset);
+ void move (int from, int to, int frames);
private:
- /* no copy construction */
- AudioBuffers (AudioBuffers const &);
-
+ /** Number of channels */
int _channels;
+ /** Number of frames (where a frame is one sample across all channels) */
int _frames;
+ /** Number of frames that _data can hold */
+ int _allocated_frames;
+ /** Audio data (so that, e.g. _data[2][6] is channel 2, sample 6) */
float** _data;
};
+class AudioMapping
+{
+public:
+ AudioMapping (boost::shared_ptr<const Film>);
+
+ boost::optional<libdcp::Channel> source_to_dcp (int c) const;
+ boost::optional<int> dcp_to_source (libdcp::Channel c) const;
+
+ int minimum_dcp_channels () const;
+ int dcp_channels () const;
+
+private:
+ int _source_channels;
+ int _minimum_channels;
+};
+
+extern int64_t video_frames_to_audio_frames (SourceFrame v, float audio_sample_rate, float frames_per_second);
+extern bool still_image_file (std::string);
+
+class LocaleGuard
+{
+public:
+ LocaleGuard ();
+ ~LocaleGuard ();
+
+private:
+ char* _old;
+};
+
+
#endif
projects / dcpomatic.git / blobdiff