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tv_input: add signal detection flag to stream config

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Bug: 23820259
Change-Id: I693f159b35192e14182cb3bc9082b2445c129560
This commit is contained in:
Wonsik Kim 2015-11-26 11:56:46 +09:00
parent 898b4ba314
commit d15399e13d
2 changed files with 71 additions and 14 deletions
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55
include/hardware/tv_input.h
View file

@ -33,14 +33,18 @@ __BEGIN_DECLS
*
* Version History:
*
* TV_INPUT_MODULE_API_VERSION_0_1:
* Initial TV input hardware module API.
* TV_INPUT_DEVICE_API_VERSION_0_1:
* Initial TV input hardware device API.
*
* TV_INPUT_DEVICE_API_VERSION_0_2:
* Minor revision --- add video detection flag in stream configs.
*
*/
#define TV_INPUT_MODULE_API_VERSION_0_1 HARDWARE_MODULE_API_VERSION(0, 1)
#define TV_INPUT_DEVICE_API_VERSION_0_1 HARDWARE_DEVICE_API_VERSION(0, 1)
#define TV_INPUT_DEVICE_API_VERSION_0_2 HARDWARE_DEVICE_API_VERSION(0, 2)
/*
* The id of this module
@ -164,7 +168,8 @@ enum {
* port. the framework regards input devices with no available streams as
* disconnected, so the implementation can generate this event with no
* available streams to indicate that this device is disconnected, and vice
* versa.
* versa. In addition, streams have signal detection flag to denote if
* signal is detected for sure.
*/
TV_INPUT_EVENT_STREAM_CONFIGURATIONS_CHANGED = 3,
/*
@ -264,6 +269,33 @@ typedef struct tv_stream_config {
uint32_t max_video_height;
} tv_stream_config_t;
enum {
/*
* Set if signal is detected on this stream. Note that even if this mask is
* unset it does not necessarily mean no signal --- it denotes that HAL is
* unsure of the signal status.
*/
TV_STREAM_FLAG_MASK_SIGNAL_DETECTION = 0x1,
};
/*
* >= TV_INPUT_DEVICE_API_VERSION_0_2
*
* tv_stream_config_t extended in a way that allows extension without breaking
* binary compatibility
*/
typedef struct tv_stream_config_ext {
tv_stream_config_t config;
/*
* Flags to show the status of this stream. See TV_STREAM_FLAG_* for
* details.
*/
uint32_t flags;
int32_t reserved[16 - 1];
} tv_stream_config_ext_t;
typedef struct buffer_producer_stream {
/*
* IN/OUT: Width / height of the stream. Client may request for specific
@ -397,7 +429,22 @@ typedef struct tv_input_device {
int (*cancel_capture)(struct tv_input_device* dev, int device_id,
int stream_id, uint32_t seq);
void* reserved[16];
/*
* get_stream_configurations_ext:
*
* Get stream configurations for a specific device. An input device may have
* multiple configurations.
*
* The configs object is guaranteed to be valid only until the next call to
* get_stream_configurations_ext() or STREAM_CONFIGURATIONS_CHANGED event.
*
* Return 0 on success.
*/
int (*get_stream_configurations_ext)(const struct tv_input_device* dev,
int device_id, int* num_configurations,
const tv_stream_config_ext_t** configs);
void* reserved[16 - 1];
} tv_input_device_t;
__END_DECLS

30
modules/tv_input/tv_input.cpp
View file

@ -37,18 +37,18 @@ static int tv_input_device_open(const struct hw_module_t* module,
const char* name, struct hw_device_t** device);
static struct hw_module_methods_t tv_input_module_methods = {
open: tv_input_device_open
.open = tv_input_device_open
};
tv_input_module_t HAL_MODULE_INFO_SYM = {
common: {
tag: HARDWARE_MODULE_TAG,
version_major: 0,
version_minor: 1,
id: TV_INPUT_HARDWARE_MODULE_ID,
name: "Sample TV input module",
author: "The Android Open Source Project",
methods: &tv_input_module_methods,
.common = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 0,
.version_minor = 1,
.id = TV_INPUT_HARDWARE_MODULE_ID,
.name = "Sample TV input module",
.author = "The Android Open Source Project",
.methods = &tv_input_module_methods,
}
};
@ -72,7 +72,8 @@ static int tv_input_initialize(struct tv_input_device* dev,
}
static int tv_input_get_stream_configurations(
const struct tv_input_device*, int, int*, const tv_stream_config_t**)
const struct tv_input_device*, int, int*,
const tv_stream_config_t**)
{
return -EINVAL;
}
@ -98,6 +99,13 @@ static int tv_input_cancel_capture(struct tv_input_device*, int, int, uint32_t)
return -EINVAL;
}
static int tv_input_get_stream_configurations_ext(
const struct tv_input_device*, int, int*,
const tv_stream_config_ext_t**)
{
return -EINVAL;
}
/*****************************************************************************/
static int tv_input_device_close(struct hw_device_t *dev)
@ -134,6 +142,8 @@ static int tv_input_device_open(const struct hw_module_t* module,
dev->device.close_stream = tv_input_close_stream;
dev->device.request_capture = tv_input_request_capture;
dev->device.cancel_capture = tv_input_cancel_capture;
dev->device.get_stream_configurations_ext =
tv_input_get_stream_configurations_ext;
*device = &dev->device.common;
status = 0;