droidmedia.h

/*
 * Copyright (C) 2014-2015 Jolla Ltd.
 *
 * 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.
 *
 * Authored by: Mohammed Hassan <mohammed.hassan@jolla.com>
 */

#ifndef DROID_MEDIA_H
#define DROID_MEDIA_H

#include <sys/types.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
class DroidMediaBuffer;
class DroidMediaBufferQueue;
#else
typedef void DroidMediaBuffer;
typedef void DroidMediaBufferQueue;
#endif

typedef void *EGLDisplay;
typedef void *EGLSyncKHR;

typedef void (*DroidMediaCallback)(void *data);

typedef struct {
  void *data;
  ssize_t size;
} DroidMediaData;

typedef struct {
  DroidMediaCallback ref;
  DroidMediaCallback unref;
  void *data;
} DroidMediaBufferCallbacks;

typedef struct {
  int32_t left;
  int32_t top;
  int32_t right;
  int32_t bottom;
} DroidMediaRect;

typedef struct {
  void (* buffers_released)(void *data);
  void (* frame_available)(void *data);
} DroidMediaBufferQueueCallbacks;

/* droidmedia.cpp */
void droid_media_init();
void droid_media_deinit();

/* droidmediabuffer.cpp */
DroidMediaBuffer *droid_media_buffer_create_from_yv12_data(uint32_t w, uint32_t h,
							   DroidMediaData *data,
							   DroidMediaBufferCallbacks *cb);
uint32_t droid_media_buffer_get_transform(DroidMediaBuffer * buffer);
uint32_t droid_media_buffer_get_scaling_mode(DroidMediaBuffer * buffer);
int64_t droid_media_buffer_get_timestamp(DroidMediaBuffer * buffer);
uint64_t droid_media_buffer_get_frame_number(DroidMediaBuffer * buffer);
DroidMediaRect droid_media_buffer_get_crop_rect(DroidMediaBuffer * buffer);
uint32_t droid_media_buffer_get_width(DroidMediaBuffer * buffer);
uint32_t droid_media_buffer_get_height(DroidMediaBuffer * buffer);
void droid_media_buffer_release(DroidMediaBuffer *buffer,
				EGLDisplay display, EGLSyncKHR fence);

/* private.h */
DroidMediaBuffer *droid_media_buffer_queue_acquire_buffer(DroidMediaBufferQueue *queue,
							  DroidMediaBufferCallbacks *cb);
void droid_media_buffer_queue_set_callbacks(DroidMediaBufferQueue *queue,
					    DroidMediaBufferQueueCallbacks *cb, void *data);
void droid_media_buffer_queue_acquire_and_release(DroidMediaBufferQueue *queue);

#ifdef __cplusplus
};
#endif

#endif /* DROID_MEDIA_H */