#include <vector>
#include <boost/shared_ptr.hpp>
#include <boost/asio.hpp>
+#include <libdcp/util.h>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include "compose.hpp"
#ifdef DVDOMATIC_DEBUG
-#define TIMING(...) _log->microsecond_log (String::compose (__VA_ARGS__), Log::TIMING);
+#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 std::string seconds_to_approximate_hms (int);
extern void stacktrace (std::ostream &, int);
-extern std::string audio_sample_format_to_string (AVSampleFormat);
-extern AVSampleFormat audio_sample_format_from_string (std::string);
extern std::string dependency_version_summary ();
extern double seconds (struct timeval);
extern void dvdomatic_setup ();
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 ();
-enum ContentType {
- STILL,
- VIDEO
-};
+typedef int SourceFrame;
-/** @class Size
- * @brief Representation of the size of something */
-struct Size
+struct DCPFrameRate
{
- /** Construct a zero Size */
- Size ()
- : width (0)
- , height (0)
- {}
-
- /** @param w Width.
- * @param h Height.
+ DCPFrameRate (float);
+
+ /** @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;
+ }
+
+ /** frames per second for the DCP */
+ int frames_per_second;
+ /** 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'.
+ * (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;
+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 */
+/** @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 int dcp_audio_channels (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);
int _buffer_data;
};
+/** @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 ();
+
+ float** data () const {
+ return _data;
+ }
+
+ 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:
+ /** 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 (SourceFrame v, float audio_sample_rate, float frames_per_second);
+extern bool still_image_file (std::string);
+extern std::pair<std::string, int> cpu_info ();
+
#endif
projects / dcpomatic.git / blobdiff