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 #include "vpx_ports/msvc.h"
20 
21 #if CONFIG_ENCODERS
22 #include "./y4minput.h"
23 #endif
24 
25 #if defined(_MSC_VER)
26 /* MSVS uses _f{seek,tell}i64. */
27 #define fseeko _fseeki64
28 #define ftello _ftelli64
29 #elif defined(_WIN32)
30 /* MinGW uses f{seek,tell}o64 for large files. */
31 #define fseeko fseeko64
32 #define ftello ftello64
33 #endif  /* _WIN32 */
34 
35 #if CONFIG_OS_SUPPORT
36 #if defined(_MSC_VER)
37 #include <io.h>  /* NOLINT */
38 #define isatty   _isatty
39 #define fileno   _fileno
40 #else
41 #include <unistd.h>  /* NOLINT */
42 #endif  /* _MSC_VER */
43 #endif  /* CONFIG_OS_SUPPORT */
44 
45 /* Use 32-bit file operations in WebM file format when building ARM
46  * executables (.axf) with RVCT. */
47 #if !CONFIG_OS_SUPPORT
48 #define fseeko fseek
49 #define ftello ftell
50 #endif  /* CONFIG_OS_SUPPORT */
51 
52 #define LITERALU64(hi, lo) ((((uint64_t)hi) << 32) | lo)
53 
54 #ifndef PATH_MAX
55 #define PATH_MAX 512
56 #endif
57 
58 #define IVF_FRAME_HDR_SZ (4 + 8)  /* 4 byte size + 8 byte timestamp */
59 #define IVF_FILE_HDR_SZ 32
60 
61 #define RAW_FRAME_HDR_SZ sizeof(uint32_t)
62 
63 #define VP8_FOURCC 0x30385056
64 #define VP9_FOURCC 0x30395056
65 #define VP10_FOURCC 0x303a5056
66 
67 enum VideoFileType {
68   FILE_TYPE_RAW,
69   FILE_TYPE_IVF,
70   FILE_TYPE_Y4M,
71   FILE_TYPE_WEBM
72 };
73 
74 struct FileTypeDetectionBuffer {
75   char buf[4];
76   size_t buf_read;
77   size_t position;
78 };
79 
80 struct VpxRational {
81   int numerator;
82   int denominator;
83 };
84 
85 struct VpxInputContext {
86   const char *filename;
87   FILE *file;
88   int64_t length;
89   struct FileTypeDetectionBuffer detect;
90   enum VideoFileType file_type;
91   uint32_t width;
92   uint32_t height;
93   struct VpxRational pixel_aspect_ratio;
94   vpx_img_fmt_t fmt;
95   vpx_bit_depth_t bit_depth;
96   int only_i420;
97   uint32_t fourcc;
98   struct VpxRational framerate;
99 #if CONFIG_ENCODERS
100   y4m_input y4m;
101 #endif
102 };
103 
104 #ifdef __cplusplus
105 extern "C" {
106 #endif
107 
108 #if defined(__GNUC__)
109 #define VPX_NO_RETURN __attribute__((noreturn))
110 #else
111 #define VPX_NO_RETURN
112 #endif
113 
114 /* Sets a stdio stream into binary mode */
115 FILE *set_binary_mode(FILE *stream);
116 
117 void die(const char *fmt, ...) VPX_NO_RETURN;
118 void fatal(const char *fmt, ...) VPX_NO_RETURN;
119 void warn(const char *fmt, ...);
120 
121 void die_codec(vpx_codec_ctx_t *ctx, const char *s) VPX_NO_RETURN;
122 
123 /* The tool including this file must define usage_exit() */
124 void usage_exit(void) VPX_NO_RETURN;
125 
126 #undef VPX_NO_RETURN
127 
128 int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame);
129 
130 typedef struct VpxInterface {
131   const char *const name;
132   const uint32_t fourcc;
133   vpx_codec_iface_t *(*const codec_interface)();
134 } VpxInterface;
135 
136 int get_vpx_encoder_count(void);
137 const VpxInterface *get_vpx_encoder_by_index(int i);
138 const VpxInterface *get_vpx_encoder_by_name(const char *name);
139 
140 int get_vpx_decoder_count(void);
141 const VpxInterface *get_vpx_decoder_by_index(int i);
142 const VpxInterface *get_vpx_decoder_by_name(const char *name);
143 const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc);
144 
145 // TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
146 // of vpx_image_t support
147 int vpx_img_plane_width(const vpx_image_t *img, int plane);
148 int vpx_img_plane_height(const vpx_image_t *img, int plane);
149 void vpx_img_write(const vpx_image_t *img, FILE *file);
150 int vpx_img_read(vpx_image_t *img, FILE *file);
151 
152 double sse_to_psnr(double samples, double peak, double mse);
153 
154 #if CONFIG_VP9_HIGHBITDEPTH
155 void vpx_img_upshift(vpx_image_t *dst, vpx_image_t *src, int input_shift);
156 void vpx_img_downshift(vpx_image_t *dst, vpx_image_t *src, int down_shift);
157 void vpx_img_truncate_16_to_8(vpx_image_t *dst, vpx_image_t *src);
158 #endif
159 
160 #ifdef __cplusplus
161 }  /* extern "C" */
162 #endif
163 
164 #endif  // TOOLS_COMMON_H_
165