void XvMCOSD::DeleteBuffer()
{
if (!osd_subpict_alloc)
return;
X11L;
XvMCDestroySubpicture(XJ_disp, &osd_subpict);
XShmDetach(XJ_disp, &XJ_osd_shm_info);
shmdt(XJ_osd_shm_info.shmaddr);
osd_subpict_alloc = false;
XFree(osd_xv_image);
XFlush(XJ_disp);
X11U;
usleep(50);
X11S(XSync(XJ_disp, false));
if (osd_palette)
delete [] osd_palette;
}
int main(int argc, char **argv)
{
const unsigned int width = 16, height = 16;
const unsigned int mc_types[2] = {XVMC_MOCOMP | XVMC_MPEG_2, XVMC_IDCT | XVMC_MPEG_2};
const unsigned int subpic_width = 16, subpic_height = 16;
Display *display;
XvPortID port_num;
int surface_type_id;
unsigned int is_overlay, intra_unsigned;
int colorkey;
XvMCContext context;
XvImageFormatValues *subpics;
int num_subpics;
XvMCSubpicture subpicture = {0};
int i;
display = XOpenDisplay(NULL);
if (!GetPort
(
display,
width,
height,
XVMC_CHROMA_FORMAT_420,
mc_types,
2,
&port_num,
&surface_type_id,
&is_overlay,
&intra_unsigned
))
{
XCloseDisplay(display);
fprintf(stderr, "Error, unable to find a good port.\n");
exit(1);
}
if (is_overlay)
{
Atom xv_colorkey = XInternAtom(display, "XV_COLORKEY", 0);
XvGetPortAttribute(display, port_num, xv_colorkey, &colorkey);
}
assert(XvMCCreateContext(display, port_num, surface_type_id, width, height, XVMC_DIRECT, &context) == Success);
subpics = XvMCListSubpictureTypes(display, port_num, surface_type_id, &num_subpics);
assert((subpics && num_subpics) > 0 || (!subpics && num_subpics == 0));
for (i = 0; i < num_subpics; ++i)
{
printf("Subpicture %d:\n", i);
printf("\tid: 0x%08x\n", subpics[i].id);
printf("\ttype: %s\n", subpics[i].type == XvRGB ? "XvRGB" : (subpics[i].type == XvYUV ? "XvYUV" : "Unknown"));
printf("\tbyte_order: %s\n", subpics[i].byte_order == LSBFirst ? "LSB First" : (subpics[i].byte_order == MSBFirst ? "MSB First" : "Unknown"));
PrintGUID(subpics[i].guid);
printf("\tbpp: %u\n", subpics[i].bits_per_pixel);
printf("\tformat: %s\n", subpics[i].format == XvPacked ? "XvPacked" : (subpics[i].format == XvPlanar ? "XvPlanar" : "Unknown"));
printf("\tnum_planes: %u\n", subpics[i].num_planes);
if (subpics[i].type == XvRGB)
{
printf("\tdepth: %u\n", subpics[i].depth);
printf("\tred_mask: 0x%08x\n", subpics[i].red_mask);
printf("\tgreen_mask: 0x%08x\n", subpics[i].green_mask);
printf("\tblue_mask: 0x%08x\n", subpics[i].blue_mask);
}
else if (subpics[i].type == XvYUV)
{
printf("\ty_sample_bits: %u\n", subpics[i].y_sample_bits);
printf("\tu_sample_bits: %u\n", subpics[i].u_sample_bits);
printf("\tv_sample_bits: %u\n", subpics[i].v_sample_bits);
printf("\thorz_y_period: %u\n", subpics[i].horz_y_period);
printf("\thorz_u_period: %u\n", subpics[i].horz_u_period);
printf("\thorz_v_period: %u\n", subpics[i].horz_v_period);
printf("\tvert_y_period: %u\n", subpics[i].vert_y_period);
printf("\tvert_u_period: %u\n", subpics[i].vert_u_period);
printf("\tvert_v_period: %u\n", subpics[i].vert_v_period);
}
PrintComponentOrder(subpics[i].component_order);
printf("\tscanline_order: %s\n", subpics[i].scanline_order == XvTopToBottom ? "XvTopToBottom" : (subpics[i].scanline_order == XvBottomToTop ? "XvBottomToTop" : "Unknown"));
}
if (num_subpics == 0)
{
printf("Subpictures not supported, nothing to test.\n");
return 0;
}
/* Test NULL context */
assert(XvMCCreateSubpicture(display, NULL, &subpicture, subpic_width, subpic_height, subpics[0].id) == XvMCBadContext);
/* Test NULL subpicture */
assert(XvMCCreateSubpicture(display, &context, NULL, subpic_width, subpic_height, subpics[0].id) == XvMCBadSubpicture);
/* Test invalid subpicture */
assert(XvMCCreateSubpicture(display, &context, &subpicture, subpic_width, subpic_height, -1) == BadMatch);
/* Test huge width */
assert(XvMCCreateSubpicture(display, &context, &subpicture, 16384, subpic_height, subpics[0].id) == BadValue);
/* Test huge height */
assert(XvMCCreateSubpicture(display, &context, &subpicture, subpic_width, 16384, subpics[0].id) == BadValue);
/* Test huge width & height */
assert(XvMCCreateSubpicture(display, &context, &subpicture, 16384, 16384, subpics[0].id) == BadValue);
for (i = 0; i < num_subpics; ++i)
{
/* Test valid params */
assert(XvMCCreateSubpicture(display, &context, &subpicture, subpic_width, subpic_height, subpics[i].id) == Success);
/* Test subpicture id assigned */
assert(subpicture.subpicture_id != 0);
/* Test context id assigned and correct */
assert(subpicture.context_id == context.context_id);
/* Test subpicture type id assigned and correct */
assert(subpicture.xvimage_id == subpics[i].id);
/* Test width & height assigned and correct */
assert(subpicture.width == width && subpicture.height == height);
if (subpics[i].type == XvRGB)
/* Test no palette support */
assert(subpicture.num_palette_entries == 0 && subpicture.entry_bytes == 0);
else
/* Test palette support */
assert(subpicture.num_palette_entries == 16 && subpicture.entry_bytes == 4);
/* Test valid params */
assert(XvMCDestroySubpicture(display, &subpicture) == Success);
}
/* Test NULL surface */
assert(XvMCDestroySubpicture(display, NULL) == XvMCBadSubpicture);
assert(XvMCDestroyContext(display, &context) == Success);
free(subpics);
XvUngrabPort(display, port_num, CurrentTime);
XCloseDisplay(display);
return 0;
}
