+static int psd_probe(AVProbeData *p)
+{
+ const uint8_t *b = p->buf;
+ int ret = 0;
+ uint16_t color_mode;
+
+ if (AV_RL32(b) == MKTAG('8','B','P','S')) {
+ ret += 1;
+ } else {
+ return 0;
+ }
+
+ if ((b[4] == 0) && (b[5] == 1)) {/* version 1 is PSD, version 2 is PSB */
+ ret += 1;
+ } else {
+ return 0;
+ }
+
+ if ((AV_RL32(b+6) == 0) && (AV_RL16(b+10) == 0))/* reserved must be 0 */
+ ret += 1;
+
+ color_mode = AV_RB16(b+24);
+ if ((color_mode <= 9) && (color_mode != 5) && (color_mode != 6))
+ ret += 1;
+
+ return AVPROBE_SCORE_EXTENSION + ret;
+}
+