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/*
* mpeg.c:
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: mpeg.c,v 1.1 2008-02-04 22:42:13 phintuka Exp $
*
*/
#include "mpeg.h"
const char * const picture_type_str[] = {
"(none)",
"I-Frame",
"B-Frame",
"P-Frame"
};
int mpeg2_get_picture_type(const uint8_t *buf, int len)
{
int i;
for (i = 0; i < len-5; i++) {
if (buf[i] == 0 && buf[i + 1] == 0 && buf[i + 2] == 1) {
switch (buf[i + 3]) {
case SC_PICTURE:
return (buf[i + 5] >> 3) & 0x07;
}
}
}
return NO_PICTURE;
}
int mpeg2_get_video_size(const uint8_t *buf, int len, video_size_t *size)
{
int i;
for (i = 0; i < len-6; i++) {
if (buf[i] == 0 && buf[i + 1] == 0 && buf[i + 2] == 1) {
if (buf[i + 3] == SC_SEQUENCE) {
int d = (buf[i+4] << 16) | (buf[i+5] << 8) | buf[i+6];
size->width = (d >> 12);
size->height = (d & 0xfff);
return 1;
}
}
}
return 0;
}
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