* @brief Some utility functions and classes.
*/
-#ifndef DVDOMATIC_UTIL_H
-#define DVDOMATIC_UTIL_H
+#ifndef DCPOMATIC_UTIL_H
+#define DCPOMATIC_UTIL_H
#include <string>
#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>
}
#include "compose.hpp"
+#include "types.h"
-#ifdef DVDOMATIC_DEBUG
-#define TIMING(...) _log->microsecond_log (String::compose (__VA_ARGS__), Log::TIMING);
+#ifdef DCPOMATIC_DEBUG
+#define TIMING(...) _film->log()->microsecond_log (String::compose (__VA_ARGS__), Log::TIMING);
#else
#define TIMING(...)
#endif
+/** The maximum number of audio channels that we can cope with */
+#define MAX_AUDIO_CHANNELS 6
+
class Scaler;
extern std::string seconds_to_hms (int);
extern void stacktrace (std::ostream &, int);
extern std::string dependency_version_summary ();
extern double seconds (struct timeval);
-extern void dvdomatic_setup ();
+extern void dcpomatic_setup ();
+extern void dcpomatic_setup_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 (boost::filesystem::path);
extern std::string md5_digest (void const *, int);
+extern void ensure_ui_thread ();
+extern std::string audio_channel_name (int);
+#ifdef DCPOMATIC_WINDOWS
+extern boost::filesystem::path mo_path ();
+#endif
-enum ContentType {
- STILL,
- VIDEO
-};
-
-/** @class Size
- * @brief Representation of the size of something */
-struct Size
-{
- /** Construct a zero Size */
- Size ()
- : width (0)
- , height (0)
- {}
-
- /** @param w Width.
- * @param h Height.
- */
- Size (int w, int h)
- : width (w)
- , height (h)
- {}
-
- /** width */
- int width;
- /** height */
- int height;
-};
-
-/** A description of the crop of an image or video. */
-struct Crop
-{
- Crop () : left (0), right (0), top (0), bottom (0) {}
-
- /** Number of pixels to remove from the left-hand side */
- int left;
- /** Number of pixels to remove from the right-hand side */
- int right;
- /** Number of pixels to remove from the top */
- int top;
- /** Number of pixels to remove from the bottom */
- int bottom;
-};
-
-extern bool operator== (Crop const & a, Crop const & b);
-extern bool operator!= (Crop const & a, Crop const & b);
-
-/** A position */
-struct Position
-{
- Position ()
- : x (0)
- , y (0)
- {}
-
- Position (int x_, int y_)
- : x (x_)
- , y (y_)
- {}
-
- /** x coordinate */
- int x;
- /** y coordinate */
- int y;
-};
-
-/** A rectangle */
-struct Rect
+struct FrameRateConversion
{
- Rect ()
- : x (0)
- , y (0)
- , width (0)
- , height (0)
- {}
-
- Rect (int x_, int y_, int w_, int h_)
- : x (x_)
- , y (y_)
- , width (w_)
- , height (h_)
- {}
-
- int x;
- int y;
- int width;
- int height;
-
- Position position () const {
- return Position (x, y);
+ 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;
}
- Size size () const {
- return Size (width, 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)
+ */
+ bool change_speed;
- Rect intersection (Rect const & other) const;
+ std::string description;
};
-extern std::string crop_string (Position, Size);
+int best_dcp_frame_rate (float);
+
+extern std::string crop_string (Position, libdcp::Size);
extern int dcp_audio_sample_rate (int);
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);
/** @class Socket
* @brief A class to wrap a boost::asio::ip::tcp::socket with some things
- * that are useful for DVD-o-matic.
+ * that are useful for DCP-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);
+ void accumulate (boost::shared_ptr<const AudioBuffers>, int, int);
+
private:
+ /** 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;
};
+extern int64_t video_frames_to_audio_frames (ContentVideoFrame v, float audio_sample_rate, float frames_per_second);
+extern std::pair<std::string, int> cpu_info ();
+
+class LocaleGuard
+{
+public:
+ LocaleGuard ();
+ ~LocaleGuard ();
+
+private:
+ char* _old;
+};
+
+
#endif
projects / dcpomatic.git / blobdiff