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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.
+ * Copyright (c) 2015 Linaro 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"
+#include "drm-funcs.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
+
+#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 */
+
+#define info(msg, ...) \
+ fprintf(stderr, "Info : " msg "\n", ##__VA_ARGS__)
+
+#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 MAX_OUT_BUF 16
+
+/* Maximum number of capture buffers (32 is the limit imposed by MFC */
+#define MAX_CAP_BUF 32
+
+/* Number of output planes */
+#define OUT_PLANES 1
+
+/* Number of capture planes */
+#define CAP_PLANES 1
+
+/* Maximum number of planes used in the application */
+#define MAX_PLANES CAP_PLANES
+
+/* Maximum number of frame buffers - used for double buffering and
+ * vsyns synchronisation */
+#define FB_MAX_BUFS 2
+
+/* The buffer is free to use by video decoder */
+#define BUF_FREE 0
+
+/* Input file related parameters */
+struct input {
+ char *name;
+ int fd;
+ char *p;
+ int size;
+ int offs;
+};
+
+/* video decoder related parameters */
+struct video {
+ char *name;
+ int fd;
+
+ /* Output queue related */
+ int out_buf_cnt;
+ int out_buf_size;
+ int out_buf_off[MAX_OUT_BUF];
+ char *out_buf_addr[MAX_OUT_BUF];
+ int out_buf_flag[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[CAP_PLANES];
+ int cap_buf_off[MAX_CAP_BUF][CAP_PLANES];
+ char *cap_buf_addr[MAX_CAP_BUF][CAP_PLANES];
+ int cap_buf_flag[MAX_CAP_BUF];
+ int cap_buf_queued;
+
+ unsigned long total_captured;
+};
+
+/* Parser related parameters */
+struct parser {
+ 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;
+};
+
+struct instance {
+ int width;
+ int height;
+ int save_frames;
+ char *save_path;
+
+ int use_dmabuf;
+
+ /* Input file related parameters */
+ struct input in;
+
+ /* video decoder related parameters */
+ struct video video;
+
+ /* Parser related parameters */
+ struct parser parser;
+
+ pthread_mutex_t lock;
+ struct queue queue;
+
+ /* Control */
+ int error; /* The error flag */
+ int finish; /* Flag set when decoding has been completed and all
+ threads finish */
+
+ struct drm_buffer disp_buf[MAX_CAP_BUF];
+};
+
+#endif /* INCLUDE_COMMON_H */
+