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libobs/media-io: Add frame rate helpers

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This commit is contained in:
Palana 2015-08-16 08:45:31 +02:00
parent f4aae94fe2
commit 95487c3eec
2 changed files with 34 additions and 1 deletions
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3
libobs/CMakeLists.txt
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@ -212,7 +212,8 @@ set(libobs_mediaio_HEADERS
media-io/format-conversion.h
media-io/audio-resampler.h
media-io/video-scaler.h
media-io/media-remux.h)
media-io/media-remux.h
media-io/frame-rate.h)
set(libobs_util_SOURCES
util/array-serializer.c

32
libobs/media-io/frame-rate.h Normal file
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@ -0,0 +1,32 @@
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
struct media_frames_per_second {
uint32_t numerator;
uint32_t denominator;
};
static inline double media_frames_per_second_to_frame_interval(
struct media_frames_per_second fps)
{
return (double)fps.denominator / fps.numerator;
}
static inline double media_frames_per_second_to_fps(
struct media_frames_per_second fps)
{
return (double)fps.numerator / fps.denominator;
}
static inline bool media_frames_per_second_is_valid(
struct media_frames_per_second fps)
{
return fps.numerator && fps.denominator;
}
#ifdef __cplusplus
}
#endif