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Diffstat (limited to 'video/csputils.c')
| -rw-r--r-- | video/csputils.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/video/csputils.c b/video/csputils.c index 240c7a3259..91b7d88ec6 100644 --- a/video/csputils.c +++ b/video/csputils.c @@ -100,6 +100,25 @@ enum mp_csp mp_csp_guess_colorspace(int width, int height) return width >= 1280 || height > 576 ? MP_CSP_BT_709 : MP_CSP_BT_601; } +enum mp_chroma_location avchroma_location_to_mp(enum AVChromaLocation loc) +{ + switch (loc) { + case AVCHROMA_LOC_LEFT: return MP_CHROMA_LEFT; + case AVCHROMA_LOC_CENTER: return MP_CHROMA_CENTER; + default: return MP_CHROMA_AUTO; + } +} + +// Return location of chroma samples relative to luma samples. 0/0 means +// centered. Other possible values are -1 (top/left) and +1 (right/bottom). +void mp_get_chroma_location(enum mp_chroma_location loc, int *x, int *y) +{ + *x = 0; + *y = 0; + if (loc == MP_CHROMA_LEFT) + *x = -1; +} + /** * \brief little helper function to create a lookup table for gamma * \param map buffer to create map into |