static int test_alloc(int size)
{
int ret = 0;
uint8_t *mem = tc_bufalloc(size);
if (mem == NULL) {
tc_error("test_alloc(%i): FAILED (mem == NULL)", size);
ret = 1;
} else {
tc_info("test_alloc(%i): PASSED", size);
ret = 1;
}
tc_buffree(mem);
return ret;
}
void extract_rgb(info_t *ipipe)
{
uint8_t *video;
avi_t *avifile = NULL;
int key, error = 0;
long frames, bytes, n;
switch (ipipe->magic) {
case TC_MAGIC_AVI:
if (ipipe->nav_seek_file) {
avifile = AVI_open_indexfd(ipipe->fd_in, 0, ipipe->nav_seek_file);
} else {
avifile = AVI_open_fd(ipipe->fd_in, 1);
}
if (NULL == avifile) {
AVI_print_error("AVI open");
import_exit(1);
}
frames = AVI_video_frames(avifile);
if (ipipe->frame_limit[1] < frames) {
frames = ipipe->frame_limit[1];
}
if (ipipe->verbose & TC_STATS) {
tc_log_msg(__FILE__, "%ld video frames", frames);
}
video = tc_bufalloc(SIZE_RGB_FRAME);
if (!video) {
error = 1;
break;
}
AVI_set_video_position(avifile, ipipe->frame_limit[0]);
/* FIXME: should this be < rather than <= ? */
for (n = ipipe->frame_limit[0]; n <= frames; n++) {
bytes = AVI_read_frame(avifile, video, &key);
if (bytes < 0) {
error = 1;
break;
}
if (tc_pwrite(ipipe->fd_out, video, bytes) != bytes) {
error = 1;
break;
}
}
tc_buffree(video);
break;
case TC_MAGIC_RAW: /* fallthrough */
default:
if (ipipe->magic == TC_MAGIC_UNKNOWN) {
tc_log_warn(__FILE__, "no file type specified, assuming %s",
filetype(TC_MAGIC_RAW));
error = tc_preadwrite(ipipe->fd_in, ipipe->fd_out);
break;
}
}
if (error) {
tc_log_perror(__FILE__, "error while writing data");
import_exit(error);
}
}