X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Futil.h;h=58c2771b7cebd8e46b9d700c3218041abd3dadd4;hb=308488324dbc4d8b709d3fb1dc9fee0479346c21;hp=fc17dc9443c920b2dd084c30eba7ca41273e3f69;hpb=a2e3a20a441e604550f0036ca198d5d2122e16a7;p=dcpomatic.git diff --git a/src/lib/util.h b/src/lib/util.h index fc17dc944..58c2771b7 100644 --- a/src/lib/util.h +++ b/src/lib/util.h @@ -31,7 +31,8 @@ #include #include #include -#include +#include +#include extern "C" { #include #include @@ -48,8 +49,8 @@ extern "C" { #undef check -/** The maximum number of audio channels that we can cope with */ -#define MAX_AUDIO_CHANNELS 8 +/** The maximum number of audio channels that we can have in a DCP */ +#define MAX_DCP_AUDIO_CHANNELS 12 #define DCPOMATIC_HELLO "Boys, you gotta learn not to talk to nuns that way" @@ -76,44 +77,10 @@ extern bool valid_image_file (boost::filesystem::path); extern boost::filesystem::path mo_path (); #endif extern std::string tidy_for_filename (std::string); -extern boost::shared_ptr make_signer (); -extern libdcp::Size fit_ratio_within (float ratio, libdcp::Size); +extern boost::shared_ptr make_signer (); +extern dcp::Size fit_ratio_within (float ratio, dcp::Size); extern std::string entities_to_text (std::string e); extern std::map split_get_request (std::string url); - -struct FrameRateConversion -{ - 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; - } - - return repeat; - } - - /** true to skip every other frame */ - bool skip; - /** number of times to use each frame (e.g. 1 is normal, 2 means repeat each frame once, and so on) */ - int 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; - - std::string description; -}; - extern int dcp_audio_frame_rate (int); extern int stride_round_up (int, int const *, int); extern std::multimap read_key_value (std::istream& s); @@ -166,16 +133,28 @@ private: extern int64_t video_frames_to_audio_frames (VideoContent::Frame v, float audio_sample_rate, float frames_per_second); -class LocaleGuard +/** @class ScopedTemporary + * @brief A temporary file which is deleted when the ScopedTemporary object goes out of scope. + */ +class ScopedTemporary { public: - LocaleGuard (); - ~LocaleGuard (); - + ScopedTemporary (); + ~ScopedTemporary (); + + /** @return temporary filename */ + boost::filesystem::path file () const { + return _file; + } + + char const * c_str () const; + FILE* open (char const *); + void close (); + private: - char* _old; + boost::filesystem::path _file; + FILE* _open; }; - #endif