Aren
/
haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

additional option to display a color block 

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36891 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
David McPaul 2010-05-22 05:25:32 +00:00
parent 5e85dff142
commit dc706a1b49
1 changed files with 29 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
src/add-ons/media/media-add-ons/video_producer_demo/Producer.cpp
View File

@ -131,6 +131,7 @@ VideoProducer::NodeRegistered()
BParameterGroup *main = web->MakeGroup(Name());
BDiscreteParameter *state = main->MakeDiscreteParameter(
P_COLOR, B_MEDIA_RAW_VIDEO, "Color", "Color");
state->AddItem(B_HOST_TO_LENDIAN_INT32(0xff000000), "Block");
state->AddItem(B_HOST_TO_LENDIAN_INT32(0x00ff0000), "Red");
state->AddItem(B_HOST_TO_LENDIAN_INT32(0x0000ff00), "Green");
state->AddItem(B_HOST_TO_LENDIAN_INT32(0x000000ff), "Blue");
@ -258,6 +259,13 @@ VideoProducer::FormatSuggestionRequested(
TOUCH(quality);
if (fOutput.format.u.raw_video.display.line_width == 0)
fOutput.format.u.raw_video.display.line_width = 320;
if (fOutput.format.u.raw_video.display.line_count == 0)
fOutput.format.u.raw_video.display.line_count = 240;
if (fOutput.format.u.raw_video.field_rate == 0)
fOutput.format.u.raw_video.field_rate = 29.97f;
*format = fOutput.format;
return B_OK;
}
@ -276,8 +284,8 @@ VideoProducer::FormatProposal(const media_source &output, media_format *format)
err = format_is_compatible(*format, fOutput.format) ?
B_OK : B_MEDIA_BAD_FORMAT;
*format = fOutput.format;
return err;
return err;
}
status_t
@ -712,12 +720,26 @@ VideoProducer::FrameGenerator()
h->u.raw_video.first_active_line = 1;
h->u.raw_video.line_count = fConnectedFormat.display.line_count;
/* Fill in a pattern */
uint32 *p = (uint32 *)buffer->Data();
for (int y = 0; y < (int)fConnectedFormat.display.line_count; y++)
for (int x = 0; x < (int)fConnectedFormat.display.line_width; x++)
*(p++) = ((((x+y)^0^x)+fFrame) & 0xff) * (0x01010101 & fColor);
if (fColor == 0xff000000) {
// display a purple block
uint32 *p = (uint32 *)buffer->Data();
for (int y = 0; y < (int)fConnectedFormat.display.line_count; y++)
for (int x = 0; x < (int)fConnectedFormat.display.line_width; x++) {
if (x > 120 && x < 280 && y > 60 && y < 100) {
*(p++) = 0xffff00ff;
} else {
*(p++) = 0xff000000;
}
}
} else {
/* Fill in a pattern */
uint32 *p = (uint32 *)buffer->Data();
for (int y = 0; y < (int)fConnectedFormat.display.line_count; y++)
for (int x = 0; x < (int)fConnectedFormat.display.line_width; x++)
*(p++) = ((((x+y)^0^x)+fFrame) & 0xff) * (0x01010101 & fColor);
}
/* Send the buffer on down to the consumer */
if (SendBuffer(buffer, fOutput.source, fOutput.destination) < B_OK) {
PRINTF(-1, ("FrameGenerator: Error sending buffer\n"));