diff options
Diffstat (limited to 'drivers/media/platform/chips-media/coda.h')
| -rw-r--r-- | drivers/media/platform/chips-media/coda.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/platform/chips-media/coda.h b/drivers/media/platform/chips-media/coda.h index dcf35641c603..ddfd0a32c653 100644 --- a/drivers/media/platform/chips-media/coda.h +++ b/drivers/media/platform/chips-media/coda.h @@ -380,6 +380,13 @@ u32 coda_mpeg4_parse_headers(struct coda_ctx *ctx, u8 *buf, u32 size); void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc, u8 level_idc); +static inline int coda_jpeg_scale(int src, int dst) +{ + return (dst <= src / 8) ? 3 : + (dst <= src / 4) ? 2 : + (dst <= src / 2) ? 1 : 0; +} + bool coda_jpeg_check_buffer(struct coda_ctx *ctx, struct vb2_buffer *vb); int coda_jpeg_decode_header(struct coda_ctx *ctx, struct vb2_buffer *vb); int coda_jpeg_write_tables(struct coda_ctx *ctx); |