/* *  Copyright (c) 2010 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */#ifndef VPX_TOOLS_COMMON_H_#define VPX_TOOLS_COMMON_H_ #include <stdio.h> #include "./vpx_config.h"#include "vpx/vpx_codec.h"#include "vpx/vpx_image.h"#include "vpx/vpx_integer.h"#include "vpx_ports/msvc.h" #if CONFIG_ENCODERS#include "./y4minput.h"#endif #if defined(_MSC_VER)/* MSVS uses _f{seek,tell}i64. */#define fseeko _fseeki64#define ftello _ftelli64typedef int64_t FileOffset;#elif defined(_WIN32)/* MinGW uses f{seek,tell}o64 for large files. */#define fseeko fseeko64#define ftello ftello64typedef off64_t FileOffset;#elif CONFIG_OS_SUPPORT#include <sys/types.h> /* NOLINT */typedef off_t FileOffset;/* Use 32-bit file operations in WebM file format when building ARM * executables (.axf) with RVCT. */#else#define fseeko fseek#define ftello ftelltypedef long FileOffset; /* NOLINT */#endif /* CONFIG_OS_SUPPORT */ #if CONFIG_OS_SUPPORT#if defined(_MSC_VER)#include <io.h> /* NOLINT */#define isatty _isatty#define fileno _fileno#else#include <unistd.h> /* NOLINT */#endif              /* _MSC_VER */#endif              /* CONFIG_OS_SUPPORT */ #define LITERALU64(hi, lo) ((((uint64_t)hi) << 32) | lo) #ifndef PATH_MAX#define PATH_MAX 512#endif #define IVF_FRAME_HDR_SZ (4 + 8) /* 4 byte size + 8 byte timestamp */#define IVF_FILE_HDR_SZ 32 #define RAW_FRAME_HDR_SZ sizeof(uint32_t) #define VP8_FOURCC 0x30385056#define VP9_FOURCC 0x30395056 enum VideoFileType {  FILE_TYPE_RAW,  FILE_TYPE_IVF,  FILE_TYPE_Y4M,  FILE_TYPE_WEBM}; struct FileTypeDetectionBuffer {  char buf[4];  size_t buf_read;  size_t position;}; struct VpxRational {  int numerator;  int denominator;}; struct VpxInputContext {  const char *filename;  FILE *file;  int64_t length;  struct FileTypeDetectionBuffer detect;  enum VideoFileType file_type;  uint32_t width;  uint32_t height;  struct VpxRational pixel_aspect_ratio;  vpx_img_fmt_t fmt;  vpx_bit_depth_t bit_depth;  int only_i420;  uint32_t fourcc;  struct VpxRational framerate;#if CONFIG_ENCODERS  y4m_input y4m;#endif}; #ifdef __cplusplusextern "C" {#endif #if defined(__GNUC__)#define VPX_NO_RETURN __attribute__((noreturn))#else#define VPX_NO_RETURN#endif /* Sets a stdio stream into binary mode */FILE *set_binary_mode(FILE *stream); void die(const char *fmt, ...) VPX_NO_RETURN;void fatal(const char *fmt, ...) VPX_NO_RETURN;void warn(const char *fmt, ...); void die_codec(vpx_codec_ctx_t *ctx, const char *s) VPX_NO_RETURN; /* The tool including this file must define usage_exit() */void usage_exit(void) VPX_NO_RETURN; #undef VPX_NO_RETURN int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame); typedef struct VpxInterface {  const char *const name;  const uint32_t fourcc;  vpx_codec_iface_t *(*const codec_interface)();} VpxInterface; int get_vpx_encoder_count(void);const VpxInterface *get_vpx_encoder_by_index(int i);const VpxInterface *get_vpx_encoder_by_name(const char *name); int get_vpx_decoder_count(void);const VpxInterface *get_vpx_decoder_by_index(int i);const VpxInterface *get_vpx_decoder_by_name(const char *name);const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc); int vpx_img_plane_width(const vpx_image_t *img, int plane);int vpx_img_plane_height(const vpx_image_t *img, int plane);void vpx_img_write(const vpx_image_t *img, FILE *file);int vpx_img_read(vpx_image_t *img, FILE *file); double sse_to_psnr(double samples, double peak, double mse); #if CONFIG_ENCODERSint read_frame(struct VpxInputContext *input_ctx, vpx_image_t *img);int file_is_y4m(const char detect[4]);int fourcc_is_ivf(const char detect[4]);void open_input_file(struct VpxInputContext *input);void close_input_file(struct VpxInputContext *input);#endif #if CONFIG_VP9_HIGHBITDEPTHvoid vpx_img_upshift(vpx_image_t *dst, vpx_image_t *src, int input_shift);void vpx_img_downshift(vpx_image_t *dst, vpx_image_t *src, int down_shift);void vpx_img_truncate_16_to_8(vpx_image_t *dst, vpx_image_t *src);#endif int compare_img(const vpx_image_t *const img1, const vpx_image_t *const img2);#if CONFIG_VP9_HIGHBITDEPTHvoid find_mismatch_high(const vpx_image_t *const img1,                        const vpx_image_t *const img2, int yloc[4], int uloc[4],                        int vloc[4]);#endifvoid find_mismatch(const vpx_image_t *const img1, const vpx_image_t *const img2,                   int yloc[4], int uloc[4], int vloc[4]); #ifdef __cplusplus} /* extern "C" */#endif #endif  // VPX_TOOLS_COMMON_H_