1 /*
2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3  *
4  * This source code is subject to the terms of the BSD 2 Clause License and
5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6  * was not distributed with this source code in the LICENSE file, you can
7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8  * Media Patent License 1.0 was not distributed with this source code in the
9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10  */
11 
12 #include "common/tools_common.h"
13 
14 #include <math.h>
15 #include <stdarg.h>
16 #include <stdio.h>
17 #include <stdlib.h>
18 #include <string.h>
19 
20 #if CONFIG_AV1_ENCODER
21 #include "aom/aomcx.h"
22 #endif
23 
24 #if CONFIG_AV1_DECODER
25 #include "aom/aomdx.h"
26 #endif
27 
28 #if defined(_WIN32) || defined(__OS2__)
29 #include <io.h>
30 #include <fcntl.h>
31 
32 #ifdef __OS2__
33 #define _setmode setmode
34 #define _fileno fileno
35 #define _O_BINARY O_BINARY
36 #endif
37 #endif
38 
39 #define LOG_ERROR(label)               \
40   do {                                 \
41     const char *l = label;             \
42     va_list ap;                        \
43     va_start(ap, fmt);                 \
44     if (l) fprintf(stderr, "%s: ", l); \
45     vfprintf(stderr, fmt, ap);         \
46     fprintf(stderr, "\n");             \
47     va_end(ap);                        \
48   } while (0)
49 
set_binary_mode(FILE * stream)50 FILE *set_binary_mode(FILE *stream) {
51   (void)stream;
52 #if defined(_WIN32) || defined(__OS2__)
53   _setmode(_fileno(stream), _O_BINARY);
54 #endif
55   return stream;
56 }
57 
die(const char * fmt,...)58 void die(const char *fmt, ...) {
59   LOG_ERROR(NULL);
60   usage_exit();
61 }
62 
fatal(const char * fmt,...)63 void fatal(const char *fmt, ...) {
64   LOG_ERROR("Fatal");
65   exit(EXIT_FAILURE);
66 }
67 
warn(const char * fmt,...)68 void warn(const char *fmt, ...) { LOG_ERROR("Warning"); }
69 
die_codec(aom_codec_ctx_t * ctx,const char * s)70 void die_codec(aom_codec_ctx_t *ctx, const char *s) {
71   const char *detail = aom_codec_error_detail(ctx);
72 
73   printf("%s: %s\n", s, aom_codec_error(ctx));
74   if (detail) printf("    %s\n", detail);
75   exit(EXIT_FAILURE);
76 }
77 
read_yuv_frame(struct AvxInputContext * input_ctx,aom_image_t * yuv_frame)78 int read_yuv_frame(struct AvxInputContext *input_ctx, aom_image_t *yuv_frame) {
79   FILE *f = input_ctx->file;
80   struct FileTypeDetectionBuffer *detect = &input_ctx->detect;
81   int plane = 0;
82   int shortread = 0;
83   const int bytespp = (yuv_frame->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1;
84 
85   for (plane = 0; plane < 3; ++plane) {
86     uint8_t *ptr;
87     const int w = aom_img_plane_width(yuv_frame, plane);
88     const int h = aom_img_plane_height(yuv_frame, plane);
89     int r;
90 
91     /* Determine the correct plane based on the image format. The for-loop
92      * always counts in Y,U,V order, but this may not match the order of
93      * the data on disk.
94      */
95     switch (plane) {
96       case 1:
97         ptr =
98             yuv_frame->planes[yuv_frame->fmt == AOM_IMG_FMT_YV12 ? AOM_PLANE_V
99                                                                  : AOM_PLANE_U];
100         break;
101       case 2:
102         ptr =
103             yuv_frame->planes[yuv_frame->fmt == AOM_IMG_FMT_YV12 ? AOM_PLANE_U
104                                                                  : AOM_PLANE_V];
105         break;
106       default: ptr = yuv_frame->planes[plane];
107     }
108 
109     for (r = 0; r < h; ++r) {
110       size_t needed = w * bytespp;
111       size_t buf_position = 0;
112       const size_t left = detect->buf_read - detect->position;
113       if (left > 0) {
114         const size_t more = (left < needed) ? left : needed;
115         memcpy(ptr, detect->buf + detect->position, more);
116         buf_position = more;
117         needed -= more;
118         detect->position += more;
119       }
120       if (needed > 0) {
121         shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
122       }
123 
124       ptr += yuv_frame->stride[plane];
125     }
126   }
127 
128   return shortread;
129 }
130 
131 #if CONFIG_AV1_ENCODER
132 static const AvxInterface aom_encoders[] = {
133   { "av1", AV1_FOURCC, &aom_codec_av1_cx },
134 };
135 
get_aom_encoder_count(void)136 int get_aom_encoder_count(void) {
137   return sizeof(aom_encoders) / sizeof(aom_encoders[0]);
138 }
139 
get_aom_encoder_by_index(int i)140 const AvxInterface *get_aom_encoder_by_index(int i) { return &aom_encoders[i]; }
141 
get_aom_encoder_by_name(const char * name)142 const AvxInterface *get_aom_encoder_by_name(const char *name) {
143   int i;
144 
145   for (i = 0; i < get_aom_encoder_count(); ++i) {
146     const AvxInterface *encoder = get_aom_encoder_by_index(i);
147     if (strcmp(encoder->name, name) == 0) return encoder;
148   }
149 
150   return NULL;
151 }
152 #endif  // CONFIG_AV1_ENCODER
153 
154 #if CONFIG_AV1_DECODER
155 static const AvxInterface aom_decoders[] = {
156   { "av1", AV1_FOURCC, &aom_codec_av1_dx },
157 };
158 
get_aom_decoder_count(void)159 int get_aom_decoder_count(void) {
160   return sizeof(aom_decoders) / sizeof(aom_decoders[0]);
161 }
162 
get_aom_decoder_by_index(int i)163 const AvxInterface *get_aom_decoder_by_index(int i) { return &aom_decoders[i]; }
164 
get_aom_decoder_by_name(const char * name)165 const AvxInterface *get_aom_decoder_by_name(const char *name) {
166   int i;
167 
168   for (i = 0; i < get_aom_decoder_count(); ++i) {
169     const AvxInterface *const decoder = get_aom_decoder_by_index(i);
170     if (strcmp(decoder->name, name) == 0) return decoder;
171   }
172 
173   return NULL;
174 }
175 
get_aom_decoder_by_fourcc(uint32_t fourcc)176 const AvxInterface *get_aom_decoder_by_fourcc(uint32_t fourcc) {
177   int i;
178 
179   for (i = 0; i < get_aom_decoder_count(); ++i) {
180     const AvxInterface *const decoder = get_aom_decoder_by_index(i);
181     if (decoder->fourcc == fourcc) return decoder;
182   }
183 
184   return NULL;
185 }
186 #endif  // CONFIG_AV1_DECODER
187 
aom_img_write(const aom_image_t * img,FILE * file)188 void aom_img_write(const aom_image_t *img, FILE *file) {
189   int plane;
190 
191   for (plane = 0; plane < 3; ++plane) {
192     const unsigned char *buf = img->planes[plane];
193     const int stride = img->stride[plane];
194     const int w = aom_img_plane_width(img, plane) *
195                   ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
196     const int h = aom_img_plane_height(img, plane);
197     int y;
198 
199     for (y = 0; y < h; ++y) {
200       fwrite(buf, 1, w, file);
201       buf += stride;
202     }
203   }
204 }
205 
aom_img_read(aom_image_t * img,FILE * file)206 int aom_img_read(aom_image_t *img, FILE *file) {
207   int plane;
208 
209   for (plane = 0; plane < 3; ++plane) {
210     unsigned char *buf = img->planes[plane];
211     const int stride = img->stride[plane];
212     const int w = aom_img_plane_width(img, plane) *
213                   ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
214     const int h = aom_img_plane_height(img, plane);
215     int y;
216 
217     for (y = 0; y < h; ++y) {
218       if (fread(buf, 1, w, file) != (size_t)w) return 0;
219       buf += stride;
220     }
221   }
222 
223   return 1;
224 }
225 
226 // TODO(dkovalev) change sse_to_psnr signature: double -> int64_t
sse_to_psnr(double samples,double peak,double sse)227 double sse_to_psnr(double samples, double peak, double sse) {
228   static const double kMaxPSNR = 100.0;
229 
230   if (sse > 0.0) {
231     const double psnr = 10.0 * log10(samples * peak * peak / sse);
232     return psnr > kMaxPSNR ? kMaxPSNR : psnr;
233   } else {
234     return kMaxPSNR;
235   }
236 }
237 
238 // TODO(debargha): Consolidate the functions below into a separate file.
highbd_img_upshift(aom_image_t * dst,const aom_image_t * src,int input_shift)239 static void highbd_img_upshift(aom_image_t *dst, const aom_image_t *src,
240                                int input_shift) {
241   // Note the offset is 1 less than half.
242   const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
243   int plane;
244   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
245       dst->x_chroma_shift != src->x_chroma_shift ||
246       dst->y_chroma_shift != src->y_chroma_shift || dst->fmt != src->fmt ||
247       input_shift < 0) {
248     fatal("Unsupported image conversion");
249   }
250   switch (src->fmt) {
251     case AOM_IMG_FMT_I42016:
252     case AOM_IMG_FMT_I42216:
253     case AOM_IMG_FMT_I44416: break;
254     default: fatal("Unsupported image conversion"); break;
255   }
256   for (plane = 0; plane < 3; plane++) {
257     int w = src->d_w;
258     int h = src->d_h;
259     int x, y;
260     if (plane) {
261       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
262       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
263     }
264     for (y = 0; y < h; y++) {
265       const uint16_t *p_src =
266           (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
267       uint16_t *p_dst =
268           (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
269       for (x = 0; x < w; x++) *p_dst++ = (*p_src++ << input_shift) + offset;
270     }
271   }
272 }
273 
lowbd_img_upshift(aom_image_t * dst,const aom_image_t * src,int input_shift)274 static void lowbd_img_upshift(aom_image_t *dst, const aom_image_t *src,
275                               int input_shift) {
276   // Note the offset is 1 less than half.
277   const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
278   int plane;
279   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
280       dst->x_chroma_shift != src->x_chroma_shift ||
281       dst->y_chroma_shift != src->y_chroma_shift ||
282       dst->fmt != src->fmt + AOM_IMG_FMT_HIGHBITDEPTH || input_shift < 0) {
283     fatal("Unsupported image conversion");
284   }
285   switch (src->fmt) {
286     case AOM_IMG_FMT_I420:
287     case AOM_IMG_FMT_I422:
288     case AOM_IMG_FMT_I444: break;
289     default: fatal("Unsupported image conversion"); break;
290   }
291   for (plane = 0; plane < 3; plane++) {
292     int w = src->d_w;
293     int h = src->d_h;
294     int x, y;
295     if (plane) {
296       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
297       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
298     }
299     for (y = 0; y < h; y++) {
300       const uint8_t *p_src = src->planes[plane] + y * src->stride[plane];
301       uint16_t *p_dst =
302           (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
303       for (x = 0; x < w; x++) {
304         *p_dst++ = (*p_src++ << input_shift) + offset;
305       }
306     }
307   }
308 }
309 
aom_img_upshift(aom_image_t * dst,const aom_image_t * src,int input_shift)310 void aom_img_upshift(aom_image_t *dst, const aom_image_t *src,
311                      int input_shift) {
312   if (src->fmt & AOM_IMG_FMT_HIGHBITDEPTH) {
313     highbd_img_upshift(dst, src, input_shift);
314   } else {
315     lowbd_img_upshift(dst, src, input_shift);
316   }
317 }
318 
aom_img_truncate_16_to_8(aom_image_t * dst,const aom_image_t * src)319 void aom_img_truncate_16_to_8(aom_image_t *dst, const aom_image_t *src) {
320   int plane;
321   if (dst->fmt + AOM_IMG_FMT_HIGHBITDEPTH != src->fmt || dst->d_w != src->d_w ||
322       dst->d_h != src->d_h || dst->x_chroma_shift != src->x_chroma_shift ||
323       dst->y_chroma_shift != src->y_chroma_shift) {
324     fatal("Unsupported image conversion");
325   }
326   switch (dst->fmt) {
327     case AOM_IMG_FMT_I420:
328     case AOM_IMG_FMT_I422:
329     case AOM_IMG_FMT_I444: break;
330     default: fatal("Unsupported image conversion"); break;
331   }
332   for (plane = 0; plane < 3; plane++) {
333     int w = src->d_w;
334     int h = src->d_h;
335     int x, y;
336     if (plane) {
337       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
338       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
339     }
340     for (y = 0; y < h; y++) {
341       const uint16_t *p_src =
342           (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
343       uint8_t *p_dst = dst->planes[plane] + y * dst->stride[plane];
344       for (x = 0; x < w; x++) {
345         *p_dst++ = (uint8_t)(*p_src++);
346       }
347     }
348   }
349 }
350 
highbd_img_downshift(aom_image_t * dst,const aom_image_t * src,int down_shift)351 static void highbd_img_downshift(aom_image_t *dst, const aom_image_t *src,
352                                  int down_shift) {
353   int plane;
354   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
355       dst->x_chroma_shift != src->x_chroma_shift ||
356       dst->y_chroma_shift != src->y_chroma_shift || dst->fmt != src->fmt ||
357       down_shift < 0) {
358     fatal("Unsupported image conversion");
359   }
360   switch (src->fmt) {
361     case AOM_IMG_FMT_I42016:
362     case AOM_IMG_FMT_I42216:
363     case AOM_IMG_FMT_I44416: break;
364     default: fatal("Unsupported image conversion"); break;
365   }
366   for (plane = 0; plane < 3; plane++) {
367     int w = src->d_w;
368     int h = src->d_h;
369     int x, y;
370     if (plane) {
371       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
372       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
373     }
374     for (y = 0; y < h; y++) {
375       const uint16_t *p_src =
376           (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
377       uint16_t *p_dst =
378           (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
379       for (x = 0; x < w; x++) *p_dst++ = *p_src++ >> down_shift;
380     }
381   }
382 }
383 
lowbd_img_downshift(aom_image_t * dst,const aom_image_t * src,int down_shift)384 static void lowbd_img_downshift(aom_image_t *dst, const aom_image_t *src,
385                                 int down_shift) {
386   int plane;
387   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
388       dst->x_chroma_shift != src->x_chroma_shift ||
389       dst->y_chroma_shift != src->y_chroma_shift ||
390       src->fmt != dst->fmt + AOM_IMG_FMT_HIGHBITDEPTH || down_shift < 0) {
391     fatal("Unsupported image conversion");
392   }
393   switch (dst->fmt) {
394     case AOM_IMG_FMT_I420:
395     case AOM_IMG_FMT_I422:
396     case AOM_IMG_FMT_I444: break;
397     default: fatal("Unsupported image conversion"); break;
398   }
399   for (plane = 0; plane < 3; plane++) {
400     int w = src->d_w;
401     int h = src->d_h;
402     int x, y;
403     if (plane) {
404       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
405       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
406     }
407     for (y = 0; y < h; y++) {
408       const uint16_t *p_src =
409           (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
410       uint8_t *p_dst = dst->planes[plane] + y * dst->stride[plane];
411       for (x = 0; x < w; x++) {
412         *p_dst++ = *p_src++ >> down_shift;
413       }
414     }
415   }
416 }
417 
aom_img_downshift(aom_image_t * dst,const aom_image_t * src,int down_shift)418 void aom_img_downshift(aom_image_t *dst, const aom_image_t *src,
419                        int down_shift) {
420   if (dst->fmt & AOM_IMG_FMT_HIGHBITDEPTH) {
421     highbd_img_downshift(dst, src, down_shift);
422   } else {
423     lowbd_img_downshift(dst, src, down_shift);
424   }
425 }
426