return buff;
}
+int ff_hex_to_data(uint8_t *data, const char *p)
+{
+ int c, len, v;
+
+ len = 0;
+ v = 1;
+ for (;;) {
+ p += strspn(p, SPACE_CHARS);
+ if (*p == '\0')
+ break;
+ c = toupper((unsigned char) *p++);
+ if (c >= '0' && c <= '9')
+ c = c - '0';
+ else if (c >= 'A' && c <= 'F')
+ c = c - 'A' + 10;
+ else
+ break;
+ v = (v << 4) | c;
+ if (v & 0x100) {
+ if (data)
+ data[len] = v;
+ len++;
+ v = 1;
+ }
+ }
+ return len;
+}
+
void av_set_pts_info(AVStream *s, int pts_wrap_bits,
unsigned int pts_num, unsigned int pts_den)
{