FFmpeg
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Functions | |
int | ff_rle_count_pixels (const uint8_t *start, int len, int bpp, int same) |
Count up to 127 consecutive pixels which are either all the same or all differ from the previous and next pixels. More... | |
int | ff_rle_encode (uint8_t *outbuf, int out_size, const uint8_t *ptr, int bpp, int w, int add_rep, int xor_rep, int add_raw, int xor_raw) |
RLE compress the row, with maximum size of out_size. More... | |
int ff_rle_count_pixels | ( | const uint8_t * | start, |
int | len, | ||
int | bpp, | ||
int | same | ||
) |
Count up to 127 consecutive pixels which are either all the same or all differ from the previous and next pixels.
start | Pointer to the first pixel |
len | Maximum number of pixels |
bpp | Bytes per pixel |
same | 1 if searching for identical pixel values, 0 for differing |
Definition at line 25 of file rle.c.
Referenced by ff_rle_encode(), and sgi_rle_encode().
int ff_rle_encode | ( | uint8_t * | outbuf, |
int | out_size, | ||
const uint8_t * | inbuf, | ||
int | bpp, | ||
int | w, | ||
int | add_rep, | ||
int | xor_rep, | ||
int | add_raw, | ||
int | xor_raw | ||
) |
RLE compress the row, with maximum size of out_size.
Value before repeated bytes is (count ^ xor_rep) + add_rep. Value before raw bytes is (count ^ xor_raw) + add_raw.
outbuf | Output buffer |
out_size | Maximum output size |
inbuf | Input buffer |
bpp | Bytes per pixel |
w | Image width |
Definition at line 49 of file rle.c.
Referenced by encode_strip(), and targa_encode_rle().