static int query_format(uint32_t format)
{
// open the device, etc.
if (fb_preinit(0)) return 0;
if ((format & IMGFMT_BGR_MASK) == IMGFMT_BGR) {
int fb_target_bpp = format & 0xff;
set_bpp(&fb_vinfo, fb_target_bpp);
fb_vinfo.xres_virtual = fb_vinfo.xres;
fb_vinfo.yres_virtual = fb_vinfo.yres;
if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_vinfo))
// Needed for Intel framebuffer with 32 bpp
fb_vinfo.transp.length = fb_vinfo.transp.offset = 0;
if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_vinfo)) {
mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't put VSCREENINFO: %s\n", strerror(errno));
return 0;
}
fb_pixel_size = fb_vinfo.bits_per_pixel / 8;
fb_bpp = fb_vinfo.bits_per_pixel;
if (fb_bpp == 16)
fb_bpp = fb_vinfo.red.length + fb_vinfo.green.length + fb_vinfo.blue.length;
if (fb_bpp == fb_target_bpp)
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static void uninit(void)
{
if (fb_cmap_changed) {
if (ioctl(fb_dev_fd, FBIOPUTCMAP, &fb_oldcmap))
mp_msg(MSGT_VO, MSGL_WARN, "Can't restore original cmap\n");
fb_cmap_changed = 0;
}
if (ioctl(fb_dev_fd, FBIOGET_VSCREENINFO, &fb_vinfo))
mp_msg(MSGT_VO, MSGL_WARN, "ioctl FBIOGET_VSCREENINFO: %s\n", strerror(errno));
fb_orig_vinfo.xoffset = fb_vinfo.xoffset;
fb_orig_vinfo.yoffset = fb_vinfo.yoffset;
if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_orig_vinfo))
mp_msg(MSGT_VO, MSGL_WARN, "Can't reset original fb_var_screeninfo: %s\n", strerror(errno));
if (fb_tty_fd >= 0) {
if (ioctl(fb_tty_fd, KDSETMODE, KD_TEXT) < 0)
mp_msg(MSGT_VO, MSGL_WARN, "Can't restore text mode: %s\n", strerror(errno));
}
vt_set_textarea(0, fb_orig_vinfo.yres);
close(fb_tty_fd);
close(fb_dev_fd);
if (frame_buffer)
munmap(frame_buffer, fb_size);
frame_buffer = NULL;
fb_preinit(1);
}
static int preinit(const char *vo_subdevice)
{
pre_init_err = 0;
if (!pre_init_err)
return pre_init_err = (fb_preinit(0) ? 0 : -1);
return -1;
}
static int preinit(const char *subdevice)
{
if (subdevice)
{
if (fb_dev_name) free(fb_dev_name);
fb_dev_name = strdup(subdevice);
}
return fb_preinit(0);
}
static int query_format(uint32_t format)
{
if (!fb_preinit(0))
return 0;
if (format != IMGFMT_YUY2)
return 0;
return VFCAP_ACCEPT_STRIDE | VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
}
static int query_format(uint32_t format)
{
if (!fb_preinit(0))
return 0;
if ((format & IMGFMT_BGR_MASK) == (fb_rgb ? IMGFMT_RGB : IMGFMT_BGR)) {
int bpp = format & 0xff;
if (bpp == fb_bpp)
return VFCAP_ACCEPT_STRIDE | VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
}
return 0;
}
static int preinit(const char *vo_subdevice)
{
pre_init_err = 0;
if (vo_subdevice) {
{
free(fb_dev_name);
fb_dev_name = strdup(vo_subdevice);
}
}
if (!pre_init_err)
return pre_init_err = fb_preinit(0) ? 0 : -1;
return -1;
}
static void uninit(void)
{
if (fb_cmap_changed) {
if (ioctl(fb_dev_fd, FBIOPUTCMAP, &fb_oldcmap))
mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't restore original cmap\n");
fb_cmap_changed = 0;
}
if(next_frame) free(next_frame);
if (fb_dev_fd >= 0) {
if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_orig_vinfo))
mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't reset original fb_var_screeninfo: %s\n", strerror(errno));
close(fb_dev_fd);
fb_dev_fd = -1;
}
if(frame_buffer) munmap(frame_buffer, fb_size);
next_frame = frame_buffer = NULL;
fb_preinit(1); // so that later calls to preinit don't fail
}
static int query_format(uint32_t format)
{
// open the device, etc.
if (fb_preinit(0)) return 0;
// At least IntelFB silently ignores nonstd value,
// so we can run the ioctl check only if already
// determined we are running on OMAPFB
if (fb_omap && (format == IMGFMT_YUY2 ||
format == IMGFMT_UYVY)) {
fb_vinfo.xres_virtual = fb_vinfo.xres;
fb_vinfo.yres_virtual = fb_vinfo.yres;
fb_vinfo.nonstd = format == IMGFMT_YUY2 ? 8 : 1;
if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_vinfo) == 0)
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_ACCEPT_STRIDE;
return 0;
}
if (IMGFMT_IS_BGR(format)) {
int bpp;
int fb_target_bpp = format & 0xff;
set_bpp(&fb_vinfo, fb_target_bpp);
fb_vinfo.xres_virtual = fb_vinfo.xres;
fb_vinfo.yres_virtual = fb_vinfo.yres;
fb_vinfo.nonstd = 0;
if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_vinfo))
// Needed for Intel framebuffer with 32 bpp
fb_vinfo.transp.length = fb_vinfo.transp.offset = 0;
if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_vinfo)) {
mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't put VSCREENINFO: %s\n", strerror(errno));
return 0;
}
bpp = fb_vinfo.bits_per_pixel;
if (bpp == 16)
bpp = fb_vinfo.red.length + fb_vinfo.green.length + fb_vinfo.blue.length;
if (bpp == fb_target_bpp)
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_ACCEPT_STRIDE;
}
return 0;
}
