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1 /*
2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 #ifndef TOOLS_COMMON_H_
11 #define TOOLS_COMMON_H_
12 
13 #include <stdio.h>
14 
15 #include "./vpx_config.h"
16 #include "vpx/vpx_codec.h"
17 #include "vpx/vpx_image.h"
18 #include "vpx/vpx_integer.h"
19 
20 #if CONFIG_ENCODERS
21 #include "./y4minput.h"
22 #endif
23 
24 #if defined(_MSC_VER)
25 /* MSVS uses _f{seek,tell}i64. */
26 #define fseeko _fseeki64
27 #define ftello _ftelli64
28 typedef long _off_t;  // NOLINT - MSVS compatible type
29 typedef __int64 off_t;  // fseeki64 compatible type
30 #define _OFF_T_DEFINED
31 #elif defined(_WIN32)
32 /* MinGW defines off_t as long and uses f{seek,tell}o64/off64_t for large
33  * files. */
34 #define fseeko fseeko64
35 #define ftello ftello64
36 #define off_t off64_t
37 #endif  /* _WIN32 */
38 
39 #if CONFIG_OS_SUPPORT
40 #if defined(_MSC_VER)
41 #include <io.h>  /* NOLINT */
42 #define snprintf _snprintf
43 #define isatty   _isatty
44 #define fileno   _fileno
45 #else
46 #include <unistd.h>  /* NOLINT */
47 #endif  /* _MSC_VER */
48 #endif  /* CONFIG_OS_SUPPORT */
49 
50 /* Use 32-bit file operations in WebM file format when building ARM
51  * executables (.axf) with RVCT. */
52 #if !CONFIG_OS_SUPPORT
53 typedef long off_t;  /* NOLINT */
54 #define fseeko fseek
55 #define ftello ftell
56 #endif  /* CONFIG_OS_SUPPORT */
57 
58 #define LITERALU64(hi, lo) ((((uint64_t)hi) << 32) | lo)
59 
60 #ifndef PATH_MAX
61 #define PATH_MAX 512
62 #endif
63 
64 #define IVF_FRAME_HDR_SZ (4 + 8)  /* 4 byte size + 8 byte timestamp */
65 #define IVF_FILE_HDR_SZ 32
66 
67 #define RAW_FRAME_HDR_SZ sizeof(uint32_t)
68 
69 #define VP8_FOURCC 0x30385056
70 #define VP9_FOURCC 0x30395056
71 
72 enum VideoFileType {
73   FILE_TYPE_RAW,
74   FILE_TYPE_IVF,
75   FILE_TYPE_Y4M,
76   FILE_TYPE_WEBM
77 };
78 
79 struct FileTypeDetectionBuffer {
80   char buf[4];
81   size_t buf_read;
82   size_t position;
83 };
84 
85 struct VpxRational {
86   int numerator;
87   int denominator;
88 };
89 
90 struct VpxInputContext {
91   const char *filename;
92   FILE *file;
93   off_t length;
94   struct FileTypeDetectionBuffer detect;
95   enum VideoFileType file_type;
96   uint32_t width;
97   uint32_t height;
98   int use_i420;
99   int only_i420;
100   uint32_t fourcc;
101   struct VpxRational framerate;
102 #if CONFIG_ENCODERS
103   y4m_input y4m;
104 #endif
105 };
106 
107 #ifdef __cplusplus
108 extern "C" {
109 #endif
110 
111 /* Sets a stdio stream into binary mode */
112 FILE *set_binary_mode(FILE *stream);
113 
114 void die(const char *fmt, ...);
115 void fatal(const char *fmt, ...);
116 void warn(const char *fmt, ...);
117 
118 void die_codec(vpx_codec_ctx_t *ctx, const char *s);
119 
120 /* The tool including this file must define usage_exit() */
121 void usage_exit();
122 
123 int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame);
124 
125 typedef struct VpxInterface {
126   const char *const name;
127   const uint32_t fourcc;
128   vpx_codec_iface_t *(*const interface)();
129 } VpxInterface;
130 
131 int get_vpx_encoder_count();
132 const VpxInterface *get_vpx_encoder_by_index(int i);
133 const VpxInterface *get_vpx_encoder_by_name(const char *name);
134 
135 int get_vpx_decoder_count();
136 const VpxInterface *get_vpx_decoder_by_index(int i);
137 const VpxInterface *get_vpx_decoder_by_name(const char *name);
138 const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc);
139 
140 // TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
141 // of vpx_image_t support
142 int vpx_img_plane_width(const vpx_image_t *img, int plane);
143 int vpx_img_plane_height(const vpx_image_t *img, int plane);
144 void vpx_img_write(const vpx_image_t *img, FILE *file);
145 int vpx_img_read(vpx_image_t *img, FILE *file);
146 
147 double sse_to_psnr(double samples, double peak, double mse);
148 
149 #ifdef __cplusplus
150 }  /* extern "C" */
151 #endif
152 
153 #endif  // TOOLS_COMMON_H_
154