android/android_hardware_qcom_display
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add support for video on HDMI

Browse Source 
Enable video on HDMI when cable is connected.
Inform gralloc module when video playback starts and stops.

Change-Id: Icc2a1b62fcd8cf75c1be98d88c3fa4dc49ef0278
This commit is contained in:
Arun Kumar K.R 2011-03-07 17:41:41 -08:00 committed by Govind Surti
parent 49d7fa781d
commit 7e5f14bb48
1 changed files with 47 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
libhwcomposer/hwcomposer.cpp
View File

@ -59,6 +59,7 @@ struct hwc_context_t {
/* our private state goes below here */
overlay::Overlay* mOverlayLibObject;
bool hdmiConnected;
bool videoHDMIStarted;
};
static int hwc_device_open(const struct hw_module_t* module, const char* name,
@ -73,6 +74,7 @@ struct private_hwc_module_t {
hwc_module_t base;
overlay_control_device_t *overlayEngine;
copybit_device_t *copybitEngine;
framebuffer_device_t *fbDevice;
int compositionType;
};
@ -90,6 +92,7 @@ struct private_hwc_module_t HAL_MODULE_INFO_SYM = {
},
overlayEngine: NULL,
copybitEngine: NULL,
fbDevice: NULL,
compositionType: 0,
};
@ -117,6 +120,22 @@ static void hwc_enableHDMIOutput(hwc_composer_device_t *dev, bool enable) {
static int hwc_prepare(hwc_composer_device_t *dev, hwc_layer_list_t* list) {
hwc_context_t* ctx = (hwc_context_t*)(dev);
if(!ctx) {
LOGE("hwc_prepare null context ");
return -1;
}
private_hwc_module_t* hwcModule = reinterpret_cast<private_hwc_module_t*>(
dev->common.module);
overlay::Overlay *ovLibObject = ctx->mOverlayLibObject;
if(!hwcModule) {
LOGE("hwc_prepare null module ");
return -1;
}
int yuvBufferCount = 0;
if (list && (list->flags & HWC_GEOMETRY_CHANGED)) {
@ -144,6 +163,25 @@ static int hwc_prepare(hwc_composer_device_t *dev, hwc_layer_list_t* list) {
}
}
// Inform the gralloc to close the UI mirroring channel if HDMI is connected
// and we have a video buffer
framebuffer_device_t *fbDev = hwcModule->fbDevice;
if ((yuvBufferCount == 1) && ctx->hdmiConnected && !ctx->videoHDMIStarted) {
if (fbDev) {
fbDev->videoOverlayStarted(fbDev, true);
}
ctx->videoHDMIStarted = true;
}
if (ctx->videoHDMIStarted && yuvBufferCount != 1) {
if(ovLibObject)
ovLibObject->closeChannel();
if (fbDev) {
fbDev->videoOverlayStarted(fbDev, false);
}
ctx->videoHDMIStarted = false;
}
return 0;
}
@ -154,7 +192,7 @@ static int drawLayerUsingOverlay(hwc_context_t *ctx, hwc_layer_t *layer)
private_handle_t *hnd = (private_handle_t *)layer->handle;
overlay::Overlay *ovLibObject = ctx->mOverlayLibObject;
ret = ovLibObject->setSource(hnd->width, hnd->height, hnd->format, layer->transform, false);
ret = ovLibObject->setSource(hnd->width, hnd->height, hnd->format, layer->transform, ctx->hdmiConnected);
if (!ret) {
LOGE("drawLayerUsingOverlay setSource failed");
return -1;
@ -248,6 +286,10 @@ static int hwc_device_close(struct hw_device_t *dev)
overlay_control_close(hwcModule->overlayEngine);
hwcModule->overlayEngine = NULL;
}
if(hwcModule->fbDevice) {
framebuffer_close(hwcModule->fbDevice);
hwcModule->fbDevice = NULL;
}
if (ctx) {
delete ctx->mOverlayLibObject;
@ -270,6 +312,9 @@ static int hwc_module_initialize(struct private_hwc_module_t* hwcModule)
if (hw_get_module(OVERLAY_HARDWARE_MODULE_ID, &module) == 0) {
overlay_control_open(module, &(hwcModule->overlayEngine));
}
if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) == 0) {
framebuffer_open(module, &(hwcModule->fbDevice));
}
// get the current composition type
char property[PROPERTY_VALUE_MAX];
@ -321,6 +366,7 @@ static int hwc_device_open(const struct hw_module_t* module, const char* name,
dev->mOverlayLibObject = NULL;
dev->hdmiConnected = false;
dev->videoHDMIStarted = false;
/* initialize the procs */
dev->device.common.tag = HARDWARE_DEVICE_TAG;