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This commit is contained in:
Justine Tunney
2020-06-15 07:18:57 -07:00
commit c91b3c5006
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dsp/mpeg/ycbcrio.h Normal file
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#ifndef COSMOPOLITAN_DSP_MPEG_YCBCRIO_H_
#define COSMOPOLITAN_DSP_MPEG_YCBCRIO_H_
#include "dsp/mpeg/mpeg.h"
#include "libc/bits/bits.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define YCBCRIO_MAGIC bswap_32(0xBCCBCCBCu)
/**
* Mappable persistable MPEG-2 video frame in Y-Cr-Cb colorspace.
*/
struct Ycbcrio {
uint32_t magic;
int32_t fd;
uint64_t size;
plm_frame_t frame;
};
struct Ycbcrio *YcbcrioOpen(const char *, const struct plm_frame_t *)
paramsnonnull((1)) vallocesque returnsnonnull;
void YcbcrioClose(struct Ycbcrio **) paramsnonnull();
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_DSP_MPEG_YCBCRIO_H_ */