| -rwxr-xr-x | Android.mk | 18 | ||||
| -rwxr-xr-x | aml_screen.cpp | 188 | ||||
| -rwxr-xr-x | test/Android.mk | 16 | ||||
| -rwxr-xr-x | test/screen_source_test.cpp | 91 | ||||
| -rwxr-xr-x | v4l2_vdin.cpp | 211 | ||||
| -rwxr-xr-x | v4l2_vdin.h | 69 |
6 files changed, 593 insertions, 0 deletions
diff --git a/aml_screen.cpp b/aml_screen.cpp new file mode 100755 index 0000000..5828cd4 --- a/dev/null +++ b/aml_screen.cpp @@ -0,0 +1,188 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "screen_source" +#include <hardware/hardware.h> +#include <hardware/aml_screen.h> + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <unistd.h> +#include <errno.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/select.h> +#include <linux/videodev.h> +#include <sys/time.h> + + +#include <errno.h> +#include <cutils/log.h> +#include <cutils/atomic.h> + +#include "v4l2_vdin.h" + +#ifndef LOGD +#define LOGD ALOGD +#endif +#ifndef LOGV +#define LOGV ALOGV +#endif +#ifndef LOGE +#define LOGE ALOGE +#endif +#ifndef LOGI +#define LOGI ALOGI +#endif +/*****************************************************************************/ + +static int aml_screen_device_open(const struct hw_module_t* module, const char* name, + struct hw_device_t** device); + +static struct hw_module_methods_t aml_screen_module_methods = { + open: aml_screen_device_open +}; + +aml_screen_module_t HAL_MODULE_INFO_SYM = { + common: { + tag: HARDWARE_MODULE_TAG, + version_major: 1, + version_minor: 0, + id: AML_SCREEN_HARDWARE_MODULE_ID, + name: "aml screen source module", + author: "Amlogic", + methods: &aml_screen_module_methods, + dso : NULL, + reserved : {0}, + } +}; + +/*****************************************************************************/ + +static int aml_screen_device_close(struct hw_device_t *dev) +{ + android::vdin_screen_source* source = NULL; + aml_screen_device_t* ctx = (aml_screen_device_t*)dev; + if (ctx) { + + if (ctx->priv) + { + source = (android::vdin_screen_source*)ctx->priv; + delete source; + source = NULL; + } + + free(ctx); + } + return 0; +} + +int screen_source_start(struct aml_screen_device* dev) +{ + android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv; + LOGV("screen_source_start"); + return source->start(); +} +int screen_source_stop(struct aml_screen_device* dev) +{ + android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv; + return source->stop(); +} +int screen_source_get_format(struct aml_screen_device* dev) +{ + android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv; + return source->get_format(); +} +int screen_source_set_format(struct aml_screen_device* dev, int width, int height, int pix_format) +{ + android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv; + + if ((width > 0) && (height > 0) && ((pix_format == V4L2_PIX_FMT_NV21) || (pix_format == V4L2_PIX_FMT_YUV420))) + { + return source->set_format(width, height, pix_format); + } + else + { + return source->set_format(); + } +} +char* screen_source_aquire_buffer(struct aml_screen_device* dev) +{ + android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv; + char * ptr_return; + + ptr_return = source->aquire_buffer(); + + return ptr_return; +} +int screen_source_release_buffer(struct aml_screen_device* dev, char* ptr) +{ + android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv; + return source->release_buffer(ptr); +} +/*****************************************************************************/ + +static int aml_screen_device_open(const struct hw_module_t* module, const char* name, + struct hw_device_t** device) +{ + int status = -EINVAL; + android::vdin_screen_source* source = NULL; + + LOGV("aml_screen_device_open"); + + if (!strcmp(name, AML_SCREEN_SOURCE)) { + aml_screen_device_t *dev = (aml_screen_device_t*)malloc(sizeof(aml_screen_device_t)); + + if (!dev) + { + LOGE("no memory for the screen source device"); + return -ENOMEM; + } + /* initialize handle here */ + memset(dev, 0, sizeof(*dev)); + + source = new android::vdin_screen_source; + if (!source) + { + LOGE("no memory for class of vdin_screen_source"); + free (dev); + return -ENOMEM; + } + dev->priv = (void*)source; + + /* initialize the procs */ + dev->common.tag = HARDWARE_DEVICE_TAG; + dev->common.version = 0; + dev->common.module = const_cast<hw_module_t*>(module); + dev->common.close = aml_screen_device_close; + + dev->ops.start = screen_source_start; + dev->ops.stop = screen_source_stop; + dev->ops.get_format = screen_source_get_format; + dev->ops.set_format = screen_source_set_format; + dev->ops.aquire_buffer = screen_source_aquire_buffer; + dev->ops.release_buffer = screen_source_release_buffer; + + *device = &dev->common; + + status = 0; + } + return status; +} |