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klte-common: camera: Set preview-format for 4k video recording 

Change-Id: I31f21fb1e15511422798aca1dcde3f2f8e18a58d
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>
This commit is contained in:
Brandon McAnsh 2015-07-29 12:02:15 -04:00
parent 245350b8d7
commit 9a2b3611ff
1 changed files with 26 additions and 1 deletions
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27
camera/CameraWrapper.cpp
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@ -99,6 +99,17 @@ static int check_vendor_module()
#define KEY_VIDEO_HFR_VALUES "video-hfr-values"
// nv12-venus is needed for blobs, but
// framework has no idea what it is
#define PIXEL_FORMAT_NV12_VENUS "nv12-venus"
static bool is_4k_video(android::CameraParameters &params) {
int video_width, video_height;
params.getVideoSize(&video_width, &video_height);
ALOGV("%s : VideoSize is %x", __FUNCTION__, video_width * video_height);
return video_width * video_height == 3840 * 2160;
}
static char *camera_fixup_getparams(int __attribute__((unused)) id,
const char *settings)
{
@ -110,6 +121,10 @@ static char *camera_fixup_getparams(int __attribute__((unused)) id,
params.dump();
#endif
//Hide nv12-venus from Android.
if (strcmp (params.getPreviewFormat(), PIXEL_FORMAT_NV12_VENUS) == 0)
params.setPreviewFormat(params.PIXEL_FORMAT_YUV420SP);
const char *videoSizeValues = params.get(
android::CameraParameters::KEY_SUPPORTED_VIDEO_SIZES);
if (videoSizeValues) {
@ -182,7 +197,8 @@ static char *camera_fixup_setparams(int id, const char *settings)
/*******************************************************************
* implementation of camera_device_ops functions
*******************************************************************/
static char *camera_get_parameters(struct camera_device *device);
static int camera_set_parameters(struct camera_device *device, const char *params);
static int camera_set_preview_window(struct camera_device *device,
struct preview_stream_ops *window)
{
@ -300,6 +316,15 @@ static int camera_start_recording(struct camera_device *device)
if (!device)
return EINVAL;
android::CameraParameters parameters;
parameters.unflatten(android::String8(camera_get_parameters(device)));
if (is_4k_video(parameters)) {
ALOGV("%s : UHD detected, switching preview-format to nv12-venus", __FUNCTION__);
parameters.setPreviewFormat(PIXEL_FORMAT_NV12_VENUS);
camera_set_parameters(device, strdup(parameters.flatten().string()));
}
return VENDOR_CALL(device, start_recording);
}