FFmpeg
log.c
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1 /*
2  * log functions
3  * Copyright (c) 2003 Michel Bardiaux
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /**
23  * @file
24  * logging functions
25  */
26 
27 #include "config.h"
28 
29 #if HAVE_UNISTD_H
30 #include <unistd.h>
31 #endif
32 #if HAVE_IO_H
33 #include <io.h>
34 #endif
35 #include <stdarg.h>
36 #include <stdlib.h>
37 #include "avutil.h"
38 #include "bprint.h"
39 #include "common.h"
40 #include "internal.h"
41 #include "log.h"
42 #include "thread.h"
43 
45 
46 #define LINE_SZ 1024
47 
48 #if HAVE_VALGRIND_VALGRIND_H
49 #include <valgrind/valgrind.h>
50 /* this is the log level at which valgrind will output a full backtrace */
51 #define BACKTRACE_LOGLEVEL AV_LOG_ERROR
52 #endif
53 
55 static int flags;
56 
57 #define NB_LEVELS 8
58 #if defined(_WIN32) && HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
59 #include <windows.h>
60 static const uint8_t color[16 + AV_CLASS_CATEGORY_NB] = {
61  [AV_LOG_PANIC /8] = 12,
62  [AV_LOG_FATAL /8] = 12,
63  [AV_LOG_ERROR /8] = 12,
64  [AV_LOG_WARNING/8] = 14,
65  [AV_LOG_INFO /8] = 7,
66  [AV_LOG_VERBOSE/8] = 10,
67  [AV_LOG_DEBUG /8] = 10,
68  [AV_LOG_TRACE /8] = 8,
69  [16+AV_CLASS_CATEGORY_NA ] = 7,
70  [16+AV_CLASS_CATEGORY_INPUT ] = 13,
71  [16+AV_CLASS_CATEGORY_OUTPUT ] = 5,
72  [16+AV_CLASS_CATEGORY_MUXER ] = 13,
73  [16+AV_CLASS_CATEGORY_DEMUXER ] = 5,
74  [16+AV_CLASS_CATEGORY_ENCODER ] = 11,
75  [16+AV_CLASS_CATEGORY_DECODER ] = 3,
76  [16+AV_CLASS_CATEGORY_FILTER ] = 10,
86 };
87 
88 static int16_t background, attr_orig;
89 static HANDLE con;
90 #else
91 
92 static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = {
93  [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41,
94  [AV_LOG_FATAL /8] = 208 << 8 | 0x41,
95  [AV_LOG_ERROR /8] = 196 << 8 | 0x11,
96  [AV_LOG_WARNING/8] = 226 << 8 | 0x03,
97  [AV_LOG_INFO /8] = 253 << 8 | 0x09,
98  [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02,
99  [AV_LOG_DEBUG /8] = 34 << 8 | 0x02,
100  [AV_LOG_TRACE /8] = 34 << 8 | 0x07,
101  [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09,
102  [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15,
103  [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05,
104  [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15,
105  [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05,
106  [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16,
107  [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06,
108  [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12,
109  [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14,
110  [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14,
111  [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14,
112  [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT ] = 213 << 8 | 0x15,
113  [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT ] = 207 << 8 | 0x05,
114  [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT ] = 213 << 8 | 0x15,
115  [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT ] = 207 << 8 | 0x05,
116  [16+AV_CLASS_CATEGORY_DEVICE_OUTPUT ] = 213 << 8 | 0x15,
117  [16+AV_CLASS_CATEGORY_DEVICE_INPUT ] = 207 << 8 | 0x05,
118 };
119 
120 #endif
121 static int use_color = -1;
122 
123 #if defined(_WIN32) && HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
124 static void win_console_puts(const char *str)
125 {
126  const uint8_t *q = str;
127  uint16_t line[LINE_SZ];
128 
129  while (*q) {
130  uint16_t *buf = line;
131  DWORD nb_chars = 0;
132  DWORD written;
133 
134  while (*q && nb_chars < LINE_SZ - 1) {
135  uint32_t ch;
136  uint16_t tmp;
137 
138  GET_UTF8(ch, *q ? *q++ : 0, ch = 0xfffd; goto continue_on_invalid;)
139 continue_on_invalid:
140  PUT_UTF16(ch, tmp, *buf++ = tmp; nb_chars++;)
141  }
142 
143  WriteConsoleW(con, line, nb_chars, &written, NULL);
144  }
145 }
146 #endif
147 
148 static void check_color_terminal(void)
149 {
150  char *term = getenv("TERM");
151 
152 #if defined(_WIN32) && HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
153  CONSOLE_SCREEN_BUFFER_INFO con_info;
154  DWORD dummy;
155  con = GetStdHandle(STD_ERROR_HANDLE);
156  if (con != INVALID_HANDLE_VALUE && !GetConsoleMode(con, &dummy))
157  con = INVALID_HANDLE_VALUE;
158  if (con != INVALID_HANDLE_VALUE) {
159  GetConsoleScreenBufferInfo(con, &con_info);
160  attr_orig = con_info.wAttributes;
161  background = attr_orig & 0xF0;
162  }
163 #endif
164 
165  if (getenv("AV_LOG_FORCE_NOCOLOR")) {
166  use_color = 0;
167  } else if (getenv("AV_LOG_FORCE_COLOR")) {
168  use_color = 1;
169  } else {
170 #if defined(_WIN32) && HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
171  use_color = (con != INVALID_HANDLE_VALUE);
172 #elif HAVE_ISATTY
173  use_color = (term && isatty(2));
174 #else
175  use_color = 0;
176 #endif
177  }
178 
179  if (getenv("AV_LOG_FORCE_256COLOR") || term && strstr(term, "256color"))
180  use_color *= 256;
181 }
182 
183 static void ansi_fputs(int level, int tint, const char *str, int local_use_color)
184 {
185  if (local_use_color == 1) {
186  fprintf(stderr,
187  "\033[%"PRIu32";3%"PRIu32"m%s\033[0m",
188  (color[level] >> 4) & 15,
189  color[level] & 15,
190  str);
191  } else if (tint && use_color == 256) {
192  fprintf(stderr,
193  "\033[48;5;%"PRIu32"m\033[38;5;%dm%s\033[0m",
194  (color[level] >> 16) & 0xff,
195  tint,
196  str);
197  } else if (local_use_color == 256) {
198  fprintf(stderr,
199  "\033[48;5;%"PRIu32"m\033[38;5;%"PRIu32"m%s\033[0m",
200  (color[level] >> 16) & 0xff,
201  (color[level] >> 8) & 0xff,
202  str);
203  } else
204  fputs(str, stderr);
205 }
206 
207 static void colored_fputs(int level, int tint, const char *str)
208 {
209  int local_use_color;
210  if (!*str)
211  return;
212 
213  if (use_color < 0)
215 
216  if (level == AV_LOG_INFO/8) local_use_color = 0;
217  else local_use_color = use_color;
218 
219 #if defined(_WIN32) && HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
220  if (con != INVALID_HANDLE_VALUE) {
221  if (local_use_color)
222  SetConsoleTextAttribute(con, background | color[level]);
223  win_console_puts(str);
224  if (local_use_color)
225  SetConsoleTextAttribute(con, attr_orig);
226  } else {
227  ansi_fputs(level, tint, str, local_use_color);
228  }
229 #else
230  ansi_fputs(level, tint, str, local_use_color);
231 #endif
232 
233 }
234 
235 const char *av_default_item_name(void *ptr)
236 {
237  return (*(AVClass **) ptr)->class_name;
238 }
239 
241 {
242  return (*(AVClass **) ptr)->category;
243 }
244 
245 static void sanitize(uint8_t *line){
246  while(*line){
247  if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
248  *line='?';
249  line++;
250  }
251 }
252 
253 static int get_category(void *ptr){
254  AVClass *avc = *(AVClass **) ptr;
255  if( !avc
256  || (avc->version&0xFF)<100
257  || avc->version < (51 << 16 | 59 << 8)
258  || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16;
259 
260  if(avc->get_category)
261  return avc->get_category(ptr) + 16;
262 
263  return avc->category + 16;
264 }
265 
266 static const char *get_level_str(int level)
267 {
268  switch (level) {
269  case AV_LOG_QUIET:
270  return "quiet";
271  case AV_LOG_DEBUG:
272  return "debug";
273  case AV_LOG_TRACE:
274  return "trace";
275  case AV_LOG_VERBOSE:
276  return "verbose";
277  case AV_LOG_INFO:
278  return "info";
279  case AV_LOG_WARNING:
280  return "warning";
281  case AV_LOG_ERROR:
282  return "error";
283  case AV_LOG_FATAL:
284  return "fatal";
285  case AV_LOG_PANIC:
286  return "panic";
287  default:
288  return "";
289  }
290 }
291 
292 static void format_line(void *avcl, int level, const char *fmt, va_list vl,
293  AVBPrint part[4], int *print_prefix, int type[2])
294 {
295  AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
299  av_bprint_init(part+3, 0, 65536);
300 
301  if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
302  if (*print_prefix && avc) {
303  if (avc->parent_log_context_offset) {
304  AVClass** parent = *(AVClass ***) (((uint8_t *) avcl) +
306  if (parent && *parent) {
307  av_bprintf(part+0, "[%s @ %p] ",
308  (*parent)->item_name(parent), parent);
309  if(type) type[0] = get_category(parent);
310  }
311  }
312  av_bprintf(part+1, "[%s @ %p] ",
313  avc->item_name(avcl), avcl);
314  if(type) type[1] = get_category(avcl);
315  }
316 
317  if (*print_prefix && (level > AV_LOG_QUIET) && (flags & AV_LOG_PRINT_LEVEL))
318  av_bprintf(part+2, "[%s] ", get_level_str(level));
319 
320  av_vbprintf(part+3, fmt, vl);
321 
322  if(*part[0].str || *part[1].str || *part[2].str || *part[3].str) {
323  char lastc = part[3].len && part[3].len <= part[3].size ? part[3].str[part[3].len - 1] : 0;
324  *print_prefix = lastc == '\n' || lastc == '\r';
325  }
326 }
327 
328 void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
329  char *line, int line_size, int *print_prefix)
330 {
331  av_log_format_line2(ptr, level, fmt, vl, line, line_size, print_prefix);
332 }
333 
334 int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
335  char *line, int line_size, int *print_prefix)
336 {
337  AVBPrint part[4];
338  int ret;
339 
340  format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
341  ret = snprintf(line, line_size, "%s%s%s%s", part[0].str, part[1].str, part[2].str, part[3].str);
342  av_bprint_finalize(part+3, NULL);
343  return ret;
344 }
345 
346 void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
347 {
348  static int print_prefix = 1;
349  static int count;
350  static char prev[LINE_SZ];
351  AVBPrint part[4];
352  char line[LINE_SZ];
353  static int is_atty;
354  int type[2];
355  unsigned tint = 0;
356 
357  if (level >= 0) {
358  tint = level & 0xff00;
359  level &= 0xff;
360  }
361 
362  if (level > av_log_level)
363  return;
365 
366  format_line(ptr, level, fmt, vl, part, &print_prefix, type);
367  snprintf(line, sizeof(line), "%s%s%s%s", part[0].str, part[1].str, part[2].str, part[3].str);
368 
369 #if HAVE_ISATTY
370  if (!is_atty)
371  is_atty = isatty(2) ? 1 : -1;
372 #endif
373 
374  if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev) &&
375  *line && line[strlen(line) - 1] != '\r'){
376  count++;
377  if (is_atty == 1)
378  fprintf(stderr, " Last message repeated %d times\r", count);
379  goto end;
380  }
381  if (count > 0) {
382  fprintf(stderr, " Last message repeated %d times\n", count);
383  count = 0;
384  }
385  strcpy(prev, line);
386  sanitize(part[0].str);
387  colored_fputs(type[0], 0, part[0].str);
388  sanitize(part[1].str);
389  colored_fputs(type[1], 0, part[1].str);
390  sanitize(part[2].str);
391  colored_fputs(av_clip(level >> 3, 0, NB_LEVELS - 1), tint >> 8, part[2].str);
392  sanitize(part[3].str);
393  colored_fputs(av_clip(level >> 3, 0, NB_LEVELS - 1), tint >> 8, part[3].str);
394 
395 #if CONFIG_VALGRIND_BACKTRACE
396  if (level <= BACKTRACE_LOGLEVEL)
397  VALGRIND_PRINTF_BACKTRACE("%s", "");
398 #endif
399 end:
400  av_bprint_finalize(part+3, NULL);
402 }
403 
404 static void (*av_log_callback)(void*, int, const char*, va_list) =
406 
407 void av_log(void* avcl, int level, const char *fmt, ...)
408 {
409  va_list vl;
410  va_start(vl, fmt);
411  av_vlog(avcl, level, fmt, vl);
412  va_end(vl);
413 }
414 
415 void av_log_once(void* avcl, int initial_level, int subsequent_level, int *state, const char *fmt, ...)
416 {
417  va_list vl;
418  va_start(vl, fmt);
419  av_vlog(avcl, *state ? subsequent_level : initial_level, fmt, vl);
420  va_end(vl);
421  *state = 1;
422 }
423 
424 void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
425 {
426  AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
427  void (*log_callback)(void*, int, const char*, va_list) = av_log_callback;
428  if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
429  avc->log_level_offset_offset && level >= AV_LOG_FATAL)
430  level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
431  if (log_callback)
432  log_callback(avcl, level, fmt, vl);
433 }
434 
436 {
437  return av_log_level;
438 }
439 
441 {
443 }
444 
446 {
447  flags = arg;
448 }
449 
451 {
452  return flags;
453 }
454 
455 void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
456 {
458 }
459 
460 static void missing_feature_sample(int sample, void *avc, const char *msg,
461  va_list argument_list)
462 {
463  av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
464  av_log(avc, AV_LOG_WARNING, " is not implemented. Update your FFmpeg "
465  "version to the newest one from Git. If the problem still "
466  "occurs, it means that your file has a feature which has not "
467  "been implemented.\n");
468  if (sample)
469  av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
470  "of this file to https://streams.videolan.org/upload/ "
471  "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n");
472 }
473 
474 void avpriv_request_sample(void *avc, const char *msg, ...)
475 {
476  va_list argument_list;
477 
478  va_start(argument_list, msg);
479  missing_feature_sample(1, avc, msg, argument_list);
480  va_end(argument_list);
481 }
482 
483 void avpriv_report_missing_feature(void *avc, const char *msg, ...)
484 {
485  va_list argument_list;
486 
487  va_start(argument_list, msg);
488  missing_feature_sample(0, avc, msg, argument_list);
489  va_end(argument_list);
490 }
#define NULL
Definition: coverity.c:32
void av_bprintf(AVBPrint *buf, const char *fmt,...)
Definition: bprint.c:94
static AVMutex mutex
Definition: log.c:44
#define GET_UTF8(val, GET_BYTE, ERROR)
Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
Definition: common.h:427
static const char * get_level_str(int level)
Definition: log.c:266
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
void av_log_set_level(int level)
Set the log level.
Definition: log.c:440
void av_log_once(void *avcl, int initial_level, int subsequent_level, int *state, const char *fmt,...)
Definition: log.c:415
static int ff_mutex_lock(AVMutex *mutex)
Definition: thread.h:168
static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
Definition: ffprobe.c:302
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
Convenience header that includes libavutil&#39;s core.
GLint GLenum type
Definition: opengl_enc.c:104
#define sample
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
Finalize a print buffer.
Definition: bprint.c:235
static struct @315 state
#define AV_LOG_QUIET
Print no output.
Definition: log.h:176
static void missing_feature_sample(int sample, void *avc, const char *msg, va_list argument_list)
Definition: log.c:460
uint8_t
#define AV_LOG_PANIC
Something went really wrong and we will crash now.
Definition: log.h:181
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:220
const char *(* item_name)(void *ctx)
A pointer to a function which returns the name of a context instance ctx associated with the class...
Definition: log.h:78
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int log_level_offset_offset
Offset in the structure where log_level_offset is stored.
Definition: log.h:99
static void sanitize(uint8_t *line)
Definition: log.c:245
static int flags
Definition: log.c:55
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:210
static int get_category(void *ptr)
Definition: log.c:253
#define isatty(fd)
Definition: checkasm.c:61
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
#define AVMutex
Definition: thread.h:164
void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl, char *line, int line_size, int *print_prefix)
Format a line of log the same way as the default callback.
Definition: log.c:328
static void format_line(void *avcl, int level, const char *fmt, va_list vl, AVBPrint part[4], int *print_prefix, int type[2])
Definition: log.c:292
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
Definition: bprint.c:69
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:215
void av_vlog(void *avcl, int level, const char *fmt, va_list vl)
Send the specified message to the log if the level is less than or equal to the current av_log_level...
Definition: log.c:424
const char * arg
Definition: jacosubdec.c:66
Definition: graph2dot.c:48
#define AV_LOG_SKIP_REPEATED
Skip repeated messages, this requires the user app to use av_log() instead of (f)printf as the 2 woul...
Definition: log.h:384
void av_log(void *avcl, int level, const char *fmt,...)
Definition: log.c:407
int av_log_get_level(void)
Get the current log level.
Definition: log.c:435
static int av_log_level
Definition: log.c:54
AVClassCategory category
Category used for visualization (like color) This is only set if the category is equal for all object...
Definition: log.h:133
GLsizei count
Definition: opengl_enc.c:108
void av_log_default_callback(void *ptr, int level, const char *fmt, va_list vl)
Default logging callback.
Definition: log.c:346
static int ff_mutex_unlock(AVMutex *mutex)
Definition: thread.h:169
int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl, char *line, int line_size, int *print_prefix)
Format a line of log the same way as the default callback.
Definition: log.c:334
common internal API header
static void check_color_terminal(void)
Definition: log.c:148
void avpriv_report_missing_feature(void *avc, const char *msg,...)
Definition: log.c:483
static void callback(void *priv_data, int index, uint8_t *buf, int buf_size, int64_t time, enum dshowDeviceType devtype)
Definition: dshow.c:161
#define AV_MUTEX_INITIALIZER
Definition: thread.h:165
void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))
Set the logging callback.
Definition: log.c:455
not part of ABI/API
Definition: log.h:47
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
static void(* av_log_callback)(void *, int, const char *, va_list)
Definition: log.c:404
int dummy
Definition: motion.c:64
#define NB_LEVELS
Definition: log.c:57
#define AV_LOG_INFO
Standard information.
Definition: log.h:205
#define AV_BPRINT_SIZE_AUTOMATIC
int av_log_get_flags(void)
Definition: log.c:450
void av_vbprintf(AVBPrint *buf, const char *fmt, va_list vl_arg)
Append a formatted string to a print buffer.
Definition: bprint.c:117
Describe the class of an AVClass context structure.
Definition: log.h:67
#define PUT_UTF16(val, tmp, PUT_16BIT)
Convert a 32-bit Unicode character to its UTF-16 encoded form (2 or 4 bytes).
Definition: common.h:514
#define snprintf
Definition: snprintf.h:34
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(const uint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(const int16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(const int16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(const int32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(const int32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(const int64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(const int64_t *) pi *(1.0f/(UINT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(const int64_t *) pi *(1.0/(UINT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(const float *) pi *(UINT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(const double *) pi *(UINT64_C(1)<< 63)))#define FMT_PAIR_FUNC(out, in) static conv_func_type *const fmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};static void cpy1(uint8_t **dst, const uint8_t **src, int len){memcpy(*dst,*src, len);}static void cpy2(uint8_t **dst, const uint8_t **src, int len){memcpy(*dst,*src, 2 *len);}static void cpy4(uint8_t **dst, const uint8_t **src, int len){memcpy(*dst,*src, 4 *len);}static void cpy8(uint8_t **dst, const uint8_t **src, int len){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, const int *ch_map, int flags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) return NULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) return NULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case 1:ctx->simd_f=cpy1;break;case 2:ctx->simd_f=cpy2;break;case 4:ctx->simd_f=cpy4;break;case 8:ctx->simd_f=cpy8;break;}}if(HAVE_X86ASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);return ctx;}void swri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len){int ch;int off=0;const int os=(out->planar?1:out->ch_count)*out->bps;unsigned misaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){int planes=in->planar?in->ch_count:1;unsigned m=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){int planes=out->planar?out->ch_count:1;unsigned m=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){int planes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch ch
Definition: audioconvert.c:56
uint8_t level
Definition: svq3.c:209
int version
LIBAVUTIL_VERSION with which this structure was created.
Definition: log.h:93
int
The official guide to swscale for confused that consecutive non overlapping rectangles of slice_bottom special converter These generally are unscaled converters of common like for each output line the vertical scaler pulls lines from a ring buffer When the ring buffer does not contain the wanted line
Definition: swscale.txt:33
common internal and external API header
int parent_log_context_offset
Offset in the structure where a pointer to the parent context for logging is stored.
Definition: log.h:108
static int use_color
Definition: log.c:121
AVClassCategory av_default_get_category(void *ptr)
Definition: log.c:240
AVClassCategory
Definition: log.h:29
void avpriv_request_sample(void *avc, const char *msg,...)
Definition: log.c:474
void av_log_set_flags(int arg)
Definition: log.c:445
AVClassCategory(* get_category)(void *ctx)
Callback to return the category.
Definition: log.h:139
#define LINE_SZ
Definition: log.c:46
#define AV_LOG_PRINT_LEVEL
Include the log severity in messages originating from codecs.
Definition: log.h:392
#define AV_LOG_FATAL
Something went wrong and recovery is not possible.
Definition: log.h:188
static void ansi_fputs(int level, int tint, const char *str, int local_use_color)
Definition: log.c:183
static void colored_fputs(int level, int tint, const char *str)
Definition: log.c:207
static uint8_t tmp[11]
Definition: aes_ctr.c:26