int quality, num_coeffs;
int swap_buf_size = buf_size - MIMIC_HEADER_SIZE;
- /*
- * Header structure:
- * uint16_t I_dont_remember;
- * uint16_t quality;
- * uint16_t width;
- * uint16_t height;
- * uint32_t some_constant;
- * uint32_t is_pframe;
- * uint32_t num_coeffs;
- */
-
if(buf_size < MIMIC_HEADER_SIZE) {
av_log(avctx, AV_LOG_ERROR, "insufficient data\n");
return -1;
}
- buf += 2;
+ buf += 2; /* some constant (always 256) */
quality = bytestream_get_le16(&buf);
width = bytestream_get_le16(&buf);
height = bytestream_get_le16(&buf);
- buf += 4;
+ buf += 4; /* some constant */
is_pframe = bytestream_get_le32(&buf);
num_coeffs = bytestream_get_le32(&buf);