int pwc_set_video_mode(struct pwc_device *pdev, int width, int height,
int pixfmt, int frames, int *compression, int send_to_cam)
{
int ret, size;
PWC_DEBUG_FLOW("set_video_mode(%dx%d @ %d, pixfmt %08x).\n",
width, height, frames, pixfmt);
size = pwc_get_size(pdev, width, height);
PWC_TRACE("decode_size = %d.\n", size);
if (DEVICE_USE_CODEC1(pdev->type)) {
ret = set_video_mode_Nala(pdev, size, pixfmt, frames,
compression, send_to_cam);
} else if (DEVICE_USE_CODEC3(pdev->type)) {
ret = set_video_mode_Kiara(pdev, size, pixfmt, frames,
compression, send_to_cam);
} else {
ret = set_video_mode_Timon(pdev, size, pixfmt, frames,
compression, send_to_cam);
}
if (ret < 0) {
PWC_ERROR("Failed to set video mode %s@%d fps; return code = %d\n", size2name[size], frames, ret);
return ret;
}
pdev->frame_total_size = pdev->frame_size + pdev->frame_header_size + pdev->frame_trailer_size;
PWC_DEBUG_SIZE("Set resolution to %dx%d\n", pdev->width, pdev->height);
return 0;
}
/* x,y -> PSZ_ */
int pwc_decode_size(struct pwc_device *pdev, int width, int height)
{
int i, find;
/* Make sure we don't go beyond our max size.
NB: we have different limits for RAW and normal modes. In case
you don't have the decompressor loaded or use RAW mode,
the maximum viewable size is smaller.
*/
if (pdev->pixfmt != V4L2_PIX_FMT_YUV420)
{
if (width > pdev->abs_max.x || height > pdev->abs_max.y)
{
PWC_DEBUG_SIZE("VIDEO_PALETTE_RAW: going beyond abs_max.\n");
return -1;
}
}
else
{
if (width > pdev->view_max.x || height > pdev->view_max.y)
{
PWC_DEBUG_SIZE("VIDEO_PALETTE_not RAW: going beyond view_max.\n");
return -1;
}
}
/* Find the largest size supported by the camera that fits into the
requested size.
*/
find = -1;
for (i = 0; i < PSZ_MAX; i++) {
if (pdev->image_mask & (1 << i)) {
if (pwc_image_sizes[i].x <= width && pwc_image_sizes[i].y <= height)
find = i;
}
}
return find;
}
