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;
}
void XvMCOSD::CreateBuffer(XvMCContext &xvmc_ctx, int width, int height)
{
if (NO_SUBPICTURE == osd_subpict_mode)
{
VERBOSE(VB_IMPORTANT, "XvMCOSD::CreateBuffer() failed because "
"no subpicture is available");
osd_subpict_alloc = false;
return;
}
XJ_width = width;
XJ_height = height;
osd_subpict_clear_color = 0;
int ret = Success;
X11S(ret = XvMCCreateSubpicture(XJ_disp, &xvmc_ctx, &osd_subpict,
XJ_width, XJ_height, osd_subpict_info.id));
if (ret != Success)
{
VERBOSE(VB_IMPORTANT, "XvMCOSD::CreateBuffer() failed on XvMCCreateSubpicture");
osd_subpict_mode = NO_SUBPICTURE;
osd_subpict_alloc = false;
return;
}
X11L;
XvMCClearSubpicture(XJ_disp, &osd_subpict, 0, 0, XJ_width,
XJ_height, osd_subpict_clear_color);
osd_xv_image = XvShmCreateImage(XJ_disp, xv_port,
osd_subpict_info.id, NULL,
XJ_width, XJ_height,
&XJ_osd_shm_info);
X11U;
if (!osd_xv_image)
{
VERBOSE(VB_IMPORTANT, "XvMCOSD::CreateBuffer() failed on XvShmCreateImage");
osd_subpict_mode = NO_SUBPICTURE;
osd_subpict_alloc = false;
return;
}
XJ_osd_shm_info.shmid = shmget(IPC_PRIVATE, osd_xv_image->data_size,
IPC_CREAT | 0777);
XJ_osd_shm_info.shmaddr = (char *)shmat(XJ_osd_shm_info.shmid, 0, 0);
XJ_osd_shm_info.readOnly = False;
osd_xv_image->data = XJ_osd_shm_info.shmaddr;
X11S(XShmAttach(XJ_disp, &XJ_osd_shm_info));
shmctl(XJ_osd_shm_info.shmid, IPC_RMID, 0);
if (osd_subpict.num_palette_entries > 0)
{
int snum = osd_subpict.num_palette_entries;
int seb = osd_subpict.entry_bytes;
osd_palette = new unsigned char[snum * seb];
for (int i = 0; i < snum; i++)
{
int Y = i * (1 << osd_subpict_info.y_sample_bits) / snum;
int U = 1 << (osd_subpict_info.u_sample_bits - 1);
int V = 1 << (osd_subpict_info.v_sample_bits - 1);
for (int j = 0; j < seb; j++)
{
switch (osd_subpict.component_order[j])
{
case 'U': osd_palette[i * seb + j] = U; break;
case 'V': osd_palette[i * seb + j] = V; break;
case 'Y':
default: osd_palette[i * seb + j] = Y; break;
}
}
}
X11S(XvMCSetSubpicturePalette(XJ_disp, &osd_subpict, osd_palette));
}
osd_subpict_alloc = true;
}
