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/*
* V4L2 Codec decoding example application
* Kamil Debski <k.debski@samsung.com>
*
* Common stuff header file
*
* Copyright 2012 Samsung Electronics Co., 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.
*
*/
#ifndef INCLUDE_COMMON_H
#define INCLUDE_COMMON_H
#include <stdio.h>
#include <semaphore.h>
#include "parser.h"
#include "queue.h"
/* When ADD_DETAILS is defined every debug and error message contains
* information about the file, function and line of code where it has
* been called */
#define ADD_DETAILS
/* When DEBUG is defined debug messages are printed on the screen.
* Otherwise only error messages are displayed. */
#define DEBUG
/* Remove #define DRM will disable DRM support */
#define DRM
#ifdef DRM
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <exynos_drm.h>
#endif
#ifdef ADD_DETAILS
#define err(msg, ...) \
fprintf(stderr, "Error (%s:%s:%d): " msg "\n", __FILE__, \
__func__, __LINE__, ##__VA_ARGS__)
#else
#define err(msg, ...) \
fprintf(stderr, "Error: " msg "\n", __FILE__, ##__VA_ARGS__)
#endif /* ADD_DETAILS */
#ifdef DEBUG
#ifdef ADD_DETAILS
#define dbg(msg, ...) \
fprintf(stdout, "(%s:%s:%d): " msg "\n", __FILE__, \
__func__, __LINE__, ##__VA_ARGS__)
#else
#define dbg(msg, ...) \
fprintf(stdout, msg "\n", ##__VA_ARGS__)
#endif /* ADD_DETAILS */
#else /* DEBUG */
#define dbg(...) {}
#endif /* DEBUG */
#define memzero(x)\
memset(&(x), 0, sizeof (x));
/* Maximum number of output buffers */
#define MFC_MAX_OUT_BUF 16
/* Maximum number of capture buffers (32 is the limit imposed by MFC */
#define MFC_MAX_CAP_BUF 32
/* Number of output planes */
#define MFC_OUT_PLANES 1
/* Number of capture planes */
#define MFC_CAP_PLANES 2
/* Maximum number of planes used in the application */
#define MFC_MAX_PLANES MFC_CAP_PLANES
/* Number of FIMC capture planes = number of frame buffer planes */
#define FIMC_CAP_PLANES 1
/* Maximum number of frame buffers - used for double buffering and
* vsyns synchronisation */
#define MAX_BUFS 2
/* The buffer is free to use by MFC */
#define BUF_FREE 0
/* The buffer is currently queued in MFC */
#define BUF_MFC 1
/* The buffer has been processed by MFC and is now queued
* to be processed by FIMC. */
#define BUF_FIMC 2
struct instance {
/* Input file related parameters */
struct {
char *name;
int fd;
char *p;
int size;
int offs;
} in;
/* DRM related parameters */
struct {
char *name;
int fd;
int fb[MAX_BUFS];
int crtc[MAX_BUFS];
int width;
int height;
char *p[MAX_BUFS];
unsigned int conn_id;
unsigned int crtc_id;
#ifdef DRM
struct drm_exynos_gem_create gem[MAX_BUFS];
struct drm_mode_map_dumb mmap[MAX_BUFS];
drmModeRes *resources;
#endif
char enabled;
} drm;
/* Frame buffer related parameters */
struct {
char *name;
int fd;
char *p[MAX_BUFS];
int buffers;
int width;
int height;
int virt_width;
int virt_height;
int bpp;
int stride;
int size;
int full_size;
char enabled;
} fb;
/* FIMC related parameter */
struct {
char *name;
int fd;
struct queue queue;
sem_t todo;
/* Semaphores are used to synchronise FIMC thread with
* the MFC thread */
sem_t done;
char enabled;
int cur_buf;
int double_buf;
int size;
int buffers;
int bpp;
int width;
int stride;
int height;
char *p[MAX_BUFS];
int dbuf[MAX_BUFS];
int dmabuf;
char ignore_format_change;
} fimc;
/* MFC related parameters */
struct {
char *name;
int fd;
/* Output queue related */
int out_buf_cnt;
int out_buf_size;
int out_buf_off[MFC_MAX_OUT_BUF];
char *out_buf_addr[MFC_MAX_OUT_BUF];
int out_buf_flag[MFC_MAX_OUT_BUF];
/* Capture queue related */
int cap_w;
int cap_h;
int cap_crop_w;
int cap_crop_h;
int cap_crop_left;
int cap_crop_top;
int cap_buf_cnt;
int cap_buf_cnt_min;
int cap_buf_size[MFC_CAP_PLANES];
int cap_buf_off[MFC_MAX_CAP_BUF][MFC_CAP_PLANES];
char *cap_buf_addr[MFC_MAX_CAP_BUF][MFC_CAP_PLANES];
int cap_buf_flag[MFC_MAX_CAP_BUF];
int cap_buf_queued;
int dbuf[MFC_MAX_CAP_BUF][MFC_CAP_PLANES];
unsigned int cap_pixfmt;
} mfc;
/* Parser related parameters */
struct {
struct mfc_parser_context ctx;
unsigned long codec;
/* Callback function to the real parsing function.
* Dependent on the codec used. */
int (*func)( struct mfc_parser_context *ctx,
char* in, int in_size, char* out, int out_size,
int *consumed, int *frame_size, char get_head);
/* Set when the parser has finished and end of file has
* been reached */
int finished;
} parser;
/* Control */
int error; /* The error flag */
int finish; /* Flag set when decoding has been completed and all
threads finish */
};
#endif /* INCLUDE_COMMON_H */
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