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omx.c
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1 /*
2  * OMX Video encoder
3  * Copyright (C) 2011 Martin Storsjo
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 #include "config.h"
23 
24 #if CONFIG_OMX_RPI
25 #define OMX_SKIP64BIT
26 #endif
27 
28 #include <dlfcn.h>
29 #include <OMX_Core.h>
30 #include <OMX_Component.h>
31 #include <pthread.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <sys/time.h>
35 
36 #include "libavutil/avstring.h"
37 #include "libavutil/avutil.h"
38 #include "libavutil/common.h"
39 #include "libavutil/imgutils.h"
40 #include "libavutil/log.h"
41 #include "libavutil/opt.h"
42 
43 #include "avcodec.h"
44 #include "h264.h"
45 #include "internal.h"
46 
47 #ifdef OMX_SKIP64BIT
48 static OMX_TICKS to_omx_ticks(int64_t value)
49 {
50  OMX_TICKS s;
51  s.nLowPart = value & 0xffffffff;
52  s.nHighPart = value >> 32;
53  return s;
54 }
55 static int64_t from_omx_ticks(OMX_TICKS value)
56 {
57  return (((int64_t)value.nHighPart) << 32) | value.nLowPart;
58 }
59 #else
60 #define to_omx_ticks(x) (x)
61 #define from_omx_ticks(x) (x)
62 #endif
63 
64 #define INIT_STRUCT(x) do { \
65  x.nSize = sizeof(x); \
66  x.nVersion = s->version; \
67  } while (0)
68 #define CHECK(x) do { \
69  if (x != OMX_ErrorNone) { \
70  av_log(avctx, AV_LOG_ERROR, \
71  "err %x (%d) on line %d\n", x, x, __LINE__); \
72  return AVERROR_UNKNOWN; \
73  } \
74  } while (0)
75 
76 typedef struct OMXContext {
77  void *lib;
78  void *lib2;
79  OMX_ERRORTYPE (*ptr_Init)(void);
80  OMX_ERRORTYPE (*ptr_Deinit)(void);
81  OMX_ERRORTYPE (*ptr_ComponentNameEnum)(OMX_STRING, OMX_U32, OMX_U32);
82  OMX_ERRORTYPE (*ptr_GetHandle)(OMX_HANDLETYPE*, OMX_STRING, OMX_PTR, OMX_CALLBACKTYPE*);
83  OMX_ERRORTYPE (*ptr_FreeHandle)(OMX_HANDLETYPE);
84  OMX_ERRORTYPE (*ptr_GetComponentsOfRole)(OMX_STRING, OMX_U32*, OMX_U8**);
85  OMX_ERRORTYPE (*ptr_GetRolesOfComponent)(OMX_STRING, OMX_U32*, OMX_U8**);
87 } OMXContext;
88 
89 static av_cold void *dlsym_prefixed(void *handle, const char *symbol, const char *prefix)
90 {
91  char buf[50];
92  snprintf(buf, sizeof(buf), "%s%s", prefix ? prefix : "", symbol);
93  return dlsym(handle, buf);
94 }
95 
96 static av_cold int omx_try_load(OMXContext *s, void *logctx,
97  const char *libname, const char *prefix,
98  const char *libname2)
99 {
100  if (libname2) {
101  s->lib2 = dlopen(libname2, RTLD_NOW | RTLD_GLOBAL);
102  if (!s->lib2) {
103  av_log(logctx, AV_LOG_WARNING, "%s not found\n", libname);
105  }
106  s->host_init = dlsym(s->lib2, "bcm_host_init");
107  if (!s->host_init) {
108  av_log(logctx, AV_LOG_WARNING, "bcm_host_init not found\n");
109  dlclose(s->lib2);
110  s->lib2 = NULL;
112  }
113  }
114  s->lib = dlopen(libname, RTLD_NOW | RTLD_GLOBAL);
115  if (!s->lib) {
116  av_log(logctx, AV_LOG_WARNING, "%s not found\n", libname);
118  }
119  s->ptr_Init = dlsym_prefixed(s->lib, "OMX_Init", prefix);
120  s->ptr_Deinit = dlsym_prefixed(s->lib, "OMX_Deinit", prefix);
121  s->ptr_ComponentNameEnum = dlsym_prefixed(s->lib, "OMX_ComponentNameEnum", prefix);
122  s->ptr_GetHandle = dlsym_prefixed(s->lib, "OMX_GetHandle", prefix);
123  s->ptr_FreeHandle = dlsym_prefixed(s->lib, "OMX_FreeHandle", prefix);
124  s->ptr_GetComponentsOfRole = dlsym_prefixed(s->lib, "OMX_GetComponentsOfRole", prefix);
125  s->ptr_GetRolesOfComponent = dlsym_prefixed(s->lib, "OMX_GetRolesOfComponent", prefix);
126  if (!s->ptr_Init || !s->ptr_Deinit || !s->ptr_ComponentNameEnum ||
127  !s->ptr_GetHandle || !s->ptr_FreeHandle ||
129  av_log(logctx, AV_LOG_WARNING, "Not all functions found in %s\n", libname);
130  dlclose(s->lib);
131  s->lib = NULL;
132  if (s->lib2)
133  dlclose(s->lib2);
134  s->lib2 = NULL;
136  }
137  return 0;
138 }
139 
140 static av_cold OMXContext *omx_init(void *logctx, const char *libname, const char *prefix)
141 {
142  static const char * const libnames[] = {
143 #if CONFIG_OMX_RPI
144  "/opt/vc/lib/libopenmaxil.so", "/opt/vc/lib/libbcm_host.so",
145 #else
146  "libOMX_Core.so", NULL,
147  "libOmxCore.so", NULL,
148 #endif
149  NULL
150  };
151  const char* const* nameptr;
152  int ret = AVERROR_ENCODER_NOT_FOUND;
153  OMXContext *omx_context;
154 
155  omx_context = av_mallocz(sizeof(*omx_context));
156  if (!omx_context)
157  return NULL;
158  if (libname) {
159  ret = omx_try_load(omx_context, logctx, libname, prefix, NULL);
160  if (ret < 0) {
161  av_free(omx_context);
162  return NULL;
163  }
164  } else {
165  for (nameptr = libnames; *nameptr; nameptr += 2)
166  if (!(ret = omx_try_load(omx_context, logctx, nameptr[0], prefix, nameptr[1])))
167  break;
168  if (!*nameptr) {
169  av_free(omx_context);
170  return NULL;
171  }
172  }
173 
174  if (omx_context->host_init)
175  omx_context->host_init();
176  omx_context->ptr_Init();
177  return omx_context;
178 }
179 
180 static av_cold void omx_deinit(OMXContext *omx_context)
181 {
182  if (!omx_context)
183  return;
184  omx_context->ptr_Deinit();
185  dlclose(omx_context->lib);
186  av_free(omx_context);
187 }
188 
189 typedef struct OMXCodecContext {
190  const AVClass *class;
191  char *libname;
192  char *libprefix;
194 
196 
197  char component_name[OMX_MAX_STRINGNAME_SIZE];
198  OMX_VERSIONTYPE version;
199  OMX_HANDLETYPE handle;
201  OMX_COLOR_FORMATTYPE color_format;
203 
205  OMX_BUFFERHEADERTYPE **in_buffer_headers;
206  OMX_BUFFERHEADERTYPE **out_buffer_headers;
208  OMX_BUFFERHEADERTYPE **free_in_buffers;
210  OMX_BUFFERHEADERTYPE **done_out_buffers;
215 
218  OMX_STATETYPE state;
219  OMX_ERRORTYPE error;
220 
222 
224 
227 
229  int profile;
231 
233  int* array_size, OMX_BUFFERHEADERTYPE **array,
234  OMX_BUFFERHEADERTYPE *buffer)
235 {
236  pthread_mutex_lock(mutex);
237  array[(*array_size)++] = buffer;
239  pthread_mutex_unlock(mutex);
240 }
241 
242 static OMX_BUFFERHEADERTYPE *get_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
243  int* array_size, OMX_BUFFERHEADERTYPE **array,
244  int wait)
245 {
246  OMX_BUFFERHEADERTYPE *buffer;
247  pthread_mutex_lock(mutex);
248  if (wait) {
249  while (!*array_size)
250  pthread_cond_wait(cond, mutex);
251  }
252  if (*array_size > 0) {
253  buffer = array[0];
254  (*array_size)--;
255  memmove(&array[0], &array[1], (*array_size) * sizeof(OMX_BUFFERHEADERTYPE*));
256  } else {
257  buffer = NULL;
258  }
259  pthread_mutex_unlock(mutex);
260  return buffer;
261 }
262 
263 static OMX_ERRORTYPE event_handler(OMX_HANDLETYPE component, OMX_PTR app_data, OMX_EVENTTYPE event,
264  OMX_U32 data1, OMX_U32 data2, OMX_PTR event_data)
265 {
266  OMXCodecContext *s = app_data;
267  // This uses casts in the printfs, since OMX_U32 actually is a typedef for
268  // unsigned long in official header versions (but there are also modified
269  // versions where it is something else).
270  switch (event) {
271  case OMX_EventError:
273  av_log(s->avctx, AV_LOG_ERROR, "OMX error %"PRIx32"\n", (uint32_t) data1);
274  s->error = data1;
277  break;
278  case OMX_EventCmdComplete:
279  if (data1 == OMX_CommandStateSet) {
281  s->state = data2;
282  av_log(s->avctx, AV_LOG_VERBOSE, "OMX state changed to %"PRIu32"\n", (uint32_t) data2);
285  } else if (data1 == OMX_CommandPortDisable) {
286  av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" disabled\n", (uint32_t) data2);
287  } else if (data1 == OMX_CommandPortEnable) {
288  av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" enabled\n", (uint32_t) data2);
289  } else {
290  av_log(s->avctx, AV_LOG_VERBOSE, "OMX command complete, command %"PRIu32", value %"PRIu32"\n",
291  (uint32_t) data1, (uint32_t) data2);
292  }
293  break;
294  case OMX_EventPortSettingsChanged:
295  av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" settings changed\n", (uint32_t) data1);
296  break;
297  default:
298  av_log(s->avctx, AV_LOG_VERBOSE, "OMX event %d %"PRIx32" %"PRIx32"\n",
299  event, (uint32_t) data1, (uint32_t) data2);
300  break;
301  }
302  return OMX_ErrorNone;
303 }
304 
305 static OMX_ERRORTYPE empty_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
306  OMX_BUFFERHEADERTYPE *buffer)
307 {
308  OMXCodecContext *s = app_data;
309  if (s->input_zerocopy) {
310  if (buffer->pAppPrivate) {
311  if (buffer->pOutputPortPrivate)
312  av_free(buffer->pAppPrivate);
313  else
314  av_frame_free((AVFrame**)&buffer->pAppPrivate);
315  buffer->pAppPrivate = NULL;
316  }
317  }
319  &s->num_free_in_buffers, s->free_in_buffers, buffer);
320  return OMX_ErrorNone;
321 }
322 
323 static OMX_ERRORTYPE fill_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
324  OMX_BUFFERHEADERTYPE *buffer)
325 {
326  OMXCodecContext *s = app_data;
328  &s->num_done_out_buffers, s->done_out_buffers, buffer);
329  return OMX_ErrorNone;
330 }
331 
332 static const OMX_CALLBACKTYPE callbacks = {
336 };
337 
338 static av_cold int find_component(OMXContext *omx_context, void *logctx,
339  const char *role, char *str, int str_size)
340 {
341  OMX_U32 i, num = 0;
342  char **components;
343  int ret = 0;
344 
345 #if CONFIG_OMX_RPI
346  if (av_strstart(role, "video_encoder.", NULL)) {
347  av_strlcpy(str, "OMX.broadcom.video_encode", str_size);
348  return 0;
349  }
350 #endif
351  omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, NULL);
352  if (!num) {
353  av_log(logctx, AV_LOG_WARNING, "No component for role %s found\n", role);
355  }
356  components = av_mallocz_array(num, sizeof(*components));
357  if (!components)
358  return AVERROR(ENOMEM);
359  for (i = 0; i < num; i++) {
360  components[i] = av_mallocz(OMX_MAX_STRINGNAME_SIZE);
361  if (!components[i]) {
362  ret = AVERROR(ENOMEM);
363  goto end;
364  }
365  }
366  omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, (OMX_U8**) components);
367  av_strlcpy(str, components[0], str_size);
368 end:
369  for (i = 0; i < num; i++)
370  av_free(components[i]);
371  av_free(components);
372  return ret;
373 }
374 
375 static av_cold int wait_for_state(OMXCodecContext *s, OMX_STATETYPE state)
376 {
377  int ret = 0;
379  while (s->state != state && s->error == OMX_ErrorNone)
381  if (s->error != OMX_ErrorNone)
384  return ret;
385 }
386 
387 static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
388 {
389  OMXCodecContext *s = avctx->priv_data;
390  OMX_PARAM_COMPONENTROLETYPE role_params = { 0 };
391  OMX_PORT_PARAM_TYPE video_port_params = { 0 };
392  OMX_PARAM_PORTDEFINITIONTYPE in_port_params = { 0 }, out_port_params = { 0 };
393  OMX_VIDEO_PARAM_PORTFORMATTYPE video_port_format = { 0 };
394  OMX_VIDEO_PARAM_BITRATETYPE vid_param_bitrate = { 0 };
395  OMX_ERRORTYPE err;
396  int i;
397 
398  s->version.s.nVersionMajor = 1;
399  s->version.s.nVersionMinor = 1;
400  s->version.s.nRevision = 2;
401 
402  err = s->omx_context->ptr_GetHandle(&s->handle, s->component_name, s, (OMX_CALLBACKTYPE*) &callbacks);
403  if (err != OMX_ErrorNone) {
404  av_log(avctx, AV_LOG_ERROR, "OMX_GetHandle(%s) failed: %x\n", s->component_name, err);
405  return AVERROR_UNKNOWN;
406  }
407 
408  // This one crashes the mediaserver on qcom, if used over IOMX
409  INIT_STRUCT(role_params);
410  av_strlcpy(role_params.cRole, role, sizeof(role_params.cRole));
411  // Intentionally ignore errors on this one
412  OMX_SetParameter(s->handle, OMX_IndexParamStandardComponentRole, &role_params);
413 
414  INIT_STRUCT(video_port_params);
415  err = OMX_GetParameter(s->handle, OMX_IndexParamVideoInit, &video_port_params);
416  CHECK(err);
417 
418  s->in_port = s->out_port = -1;
419  for (i = 0; i < video_port_params.nPorts; i++) {
420  int port = video_port_params.nStartPortNumber + i;
421  OMX_PARAM_PORTDEFINITIONTYPE port_params = { 0 };
422  INIT_STRUCT(port_params);
423  port_params.nPortIndex = port;
424  err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &port_params);
425  if (err != OMX_ErrorNone) {
426  av_log(avctx, AV_LOG_WARNING, "port %d error %x\n", port, err);
427  break;
428  }
429  if (port_params.eDir == OMX_DirInput && s->in_port < 0) {
430  in_port_params = port_params;
431  s->in_port = port;
432  } else if (port_params.eDir == OMX_DirOutput && s->out_port < 0) {
433  out_port_params = port_params;
434  s->out_port = port;
435  }
436  }
437  if (s->in_port < 0 || s->out_port < 0) {
438  av_log(avctx, AV_LOG_ERROR, "No in or out port found (in %d out %d)\n", s->in_port, s->out_port);
439  return AVERROR_UNKNOWN;
440  }
441 
442  s->color_format = 0;
443  for (i = 0; ; i++) {
444  INIT_STRUCT(video_port_format);
445  video_port_format.nIndex = i;
446  video_port_format.nPortIndex = s->in_port;
447  if (OMX_GetParameter(s->handle, OMX_IndexParamVideoPortFormat, &video_port_format) != OMX_ErrorNone)
448  break;
449  if (video_port_format.eColorFormat == OMX_COLOR_FormatYUV420Planar ||
450  video_port_format.eColorFormat == OMX_COLOR_FormatYUV420PackedPlanar) {
451  s->color_format = video_port_format.eColorFormat;
452  break;
453  }
454  }
455  if (s->color_format == 0) {
456  av_log(avctx, AV_LOG_ERROR, "No supported pixel formats (%d formats available)\n", i);
457  return AVERROR_UNKNOWN;
458  }
459 
460  in_port_params.bEnabled = OMX_TRUE;
461  in_port_params.bPopulated = OMX_FALSE;
462  in_port_params.eDomain = OMX_PortDomainVideo;
463 
464  in_port_params.format.video.pNativeRender = NULL;
465  in_port_params.format.video.bFlagErrorConcealment = OMX_FALSE;
466  in_port_params.format.video.eColorFormat = s->color_format;
467  s->stride = avctx->width;
468  s->plane_size = avctx->height;
469  // If specific codecs need to manually override the stride/plane_size,
470  // that can be done here.
471  in_port_params.format.video.nStride = s->stride;
472  in_port_params.format.video.nSliceHeight = s->plane_size;
473  in_port_params.format.video.nFrameWidth = avctx->width;
474  in_port_params.format.video.nFrameHeight = avctx->height;
475  if (avctx->framerate.den > 0 && avctx->framerate.num > 0)
476  in_port_params.format.video.xFramerate = (1 << 16) * avctx->framerate.num / avctx->framerate.den;
477  else
478  in_port_params.format.video.xFramerate = (1 << 16) * avctx->time_base.den / avctx->time_base.num;
479 
480  err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
481  CHECK(err);
482  err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
483  CHECK(err);
484  s->stride = in_port_params.format.video.nStride;
485  s->plane_size = in_port_params.format.video.nSliceHeight;
486  s->num_in_buffers = in_port_params.nBufferCountActual;
487 
488  err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
489  out_port_params.bEnabled = OMX_TRUE;
490  out_port_params.bPopulated = OMX_FALSE;
491  out_port_params.eDomain = OMX_PortDomainVideo;
492  out_port_params.format.video.pNativeRender = NULL;
493  out_port_params.format.video.nFrameWidth = avctx->width;
494  out_port_params.format.video.nFrameHeight = avctx->height;
495  out_port_params.format.video.nStride = 0;
496  out_port_params.format.video.nSliceHeight = 0;
497  out_port_params.format.video.nBitrate = avctx->bit_rate;
498  out_port_params.format.video.xFramerate = in_port_params.format.video.xFramerate;
499  out_port_params.format.video.bFlagErrorConcealment = OMX_FALSE;
500  if (avctx->codec->id == AV_CODEC_ID_MPEG4)
501  out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingMPEG4;
502  else if (avctx->codec->id == AV_CODEC_ID_H264)
503  out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
504 
505  err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
506  CHECK(err);
507  err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
508  CHECK(err);
509  s->num_out_buffers = out_port_params.nBufferCountActual;
510 
511  INIT_STRUCT(vid_param_bitrate);
512  vid_param_bitrate.nPortIndex = s->out_port;
513  vid_param_bitrate.eControlRate = OMX_Video_ControlRateVariable;
514  vid_param_bitrate.nTargetBitrate = avctx->bit_rate;
515  err = OMX_SetParameter(s->handle, OMX_IndexParamVideoBitrate, &vid_param_bitrate);
516  if (err != OMX_ErrorNone)
517  av_log(avctx, AV_LOG_WARNING, "Unable to set video bitrate parameter\n");
518 
519  if (avctx->codec->id == AV_CODEC_ID_H264) {
520  OMX_VIDEO_PARAM_AVCTYPE avc = { 0 };
521  INIT_STRUCT(avc);
522  avc.nPortIndex = s->out_port;
523  err = OMX_GetParameter(s->handle, OMX_IndexParamVideoAvc, &avc);
524  CHECK(err);
525  avc.nBFrames = 0;
526  avc.nPFrames = avctx->gop_size - 1;
527  switch (s->profile == FF_PROFILE_UNKNOWN ? avctx->profile : s->profile) {
529  avc.eProfile = OMX_VIDEO_AVCProfileBaseline;
530  break;
532  avc.eProfile = OMX_VIDEO_AVCProfileMain;
533  break;
535  avc.eProfile = OMX_VIDEO_AVCProfileHigh;
536  break;
537  default:
538  break;
539  }
540  err = OMX_SetParameter(s->handle, OMX_IndexParamVideoAvc, &avc);
541  CHECK(err);
542  }
543 
544  err = OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateIdle, NULL);
545  CHECK(err);
546 
547  s->in_buffer_headers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_in_buffers);
548  s->free_in_buffers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_in_buffers);
549  s->out_buffer_headers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_out_buffers);
550  s->done_out_buffers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_out_buffers);
552  return AVERROR(ENOMEM);
553  for (i = 0; i < s->num_in_buffers && err == OMX_ErrorNone; i++) {
554  if (s->input_zerocopy)
555  err = OMX_UseBuffer(s->handle, &s->in_buffer_headers[i], s->in_port, s, in_port_params.nBufferSize, NULL);
556  else
557  err = OMX_AllocateBuffer(s->handle, &s->in_buffer_headers[i], s->in_port, s, in_port_params.nBufferSize);
558  if (err == OMX_ErrorNone)
559  s->in_buffer_headers[i]->pAppPrivate = s->in_buffer_headers[i]->pOutputPortPrivate = NULL;
560  }
561  CHECK(err);
562  s->num_in_buffers = i;
563  for (i = 0; i < s->num_out_buffers && err == OMX_ErrorNone; i++)
564  err = OMX_AllocateBuffer(s->handle, &s->out_buffer_headers[i], s->out_port, s, out_port_params.nBufferSize);
565  CHECK(err);
566  s->num_out_buffers = i;
567 
568  if (wait_for_state(s, OMX_StateIdle) < 0) {
569  av_log(avctx, AV_LOG_ERROR, "Didn't get OMX_StateIdle\n");
570  return AVERROR_UNKNOWN;
571  }
572  err = OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateExecuting, NULL);
573  CHECK(err);
574  if (wait_for_state(s, OMX_StateExecuting) < 0) {
575  av_log(avctx, AV_LOG_ERROR, "Didn't get OMX_StateExecuting\n");
576  return AVERROR_UNKNOWN;
577  }
578 
579  for (i = 0; i < s->num_out_buffers && err == OMX_ErrorNone; i++)
580  err = OMX_FillThisBuffer(s->handle, s->out_buffer_headers[i]);
581  if (err != OMX_ErrorNone) {
582  for (; i < s->num_out_buffers; i++)
584  }
585  for (i = 0; i < s->num_in_buffers; i++)
587  return err != OMX_ErrorNone ? AVERROR_UNKNOWN : 0;
588 }
589 
591 {
592  int i, executing;
593 
595  executing = s->state == OMX_StateExecuting;
597 
598  if (executing) {
599  OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateIdle, NULL);
600  wait_for_state(s, OMX_StateIdle);
601  OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateLoaded, NULL);
602  for (i = 0; i < s->num_in_buffers; i++) {
603  OMX_BUFFERHEADERTYPE *buffer = get_buffer(&s->input_mutex, &s->input_cond,
605  if (s->input_zerocopy)
606  buffer->pBuffer = NULL;
607  OMX_FreeBuffer(s->handle, s->in_port, buffer);
608  }
609  for (i = 0; i < s->num_out_buffers; i++) {
610  OMX_BUFFERHEADERTYPE *buffer = get_buffer(&s->output_mutex, &s->output_cond,
612  OMX_FreeBuffer(s->handle, s->out_port, buffer);
613  }
614  wait_for_state(s, OMX_StateLoaded);
615  }
616  if (s->handle) {
618  s->handle = NULL;
619  }
620 
622  s->omx_context = NULL;
623  if (s->mutex_cond_inited) {
630  s->mutex_cond_inited = 0;
631  }
636  av_freep(&s->output_buf);
637 }
638 
640 {
641  OMXCodecContext *s = avctx->priv_data;
642  int ret = AVERROR_ENCODER_NOT_FOUND;
643  const char *role;
644  OMX_BUFFERHEADERTYPE *buffer;
645  OMX_ERRORTYPE err;
646 
647 #if CONFIG_OMX_RPI
648  s->input_zerocopy = 1;
649 #endif
650 
651  s->omx_context = omx_init(avctx, s->libname, s->libprefix);
652  if (!s->omx_context)
654 
661  s->mutex_cond_inited = 1;
662  s->avctx = avctx;
663  s->state = OMX_StateLoaded;
664  s->error = OMX_ErrorNone;
665 
666  switch (avctx->codec->id) {
667  case AV_CODEC_ID_MPEG4:
668  role = "video_encoder.mpeg4";
669  break;
670  case AV_CODEC_ID_H264:
671  role = "video_encoder.avc";
672  break;
673  default:
674  return AVERROR(ENOSYS);
675  }
676 
677  if ((ret = find_component(s->omx_context, avctx, role, s->component_name, sizeof(s->component_name))) < 0)
678  goto fail;
679 
680  av_log(avctx, AV_LOG_INFO, "Using %s\n", s->component_name);
681 
682  if ((ret = omx_component_init(avctx, role)) < 0)
683  goto fail;
684 
685  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
686  while (1) {
687  buffer = get_buffer(&s->output_mutex, &s->output_cond,
689  if (buffer->nFlags & OMX_BUFFERFLAG_CODECCONFIG) {
690  if ((ret = av_reallocp(&avctx->extradata, avctx->extradata_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
691  avctx->extradata_size = 0;
692  goto fail;
693  }
694  memcpy(avctx->extradata + avctx->extradata_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
695  avctx->extradata_size += buffer->nFilledLen;
696  memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
697  }
698  err = OMX_FillThisBuffer(s->handle, buffer);
699  if (err != OMX_ErrorNone) {
701  &s->num_done_out_buffers, s->done_out_buffers, buffer);
702  av_log(avctx, AV_LOG_ERROR, "OMX_FillThisBuffer failed: %x\n", err);
703  ret = AVERROR_UNKNOWN;
704  goto fail;
705  }
706  if (avctx->codec->id == AV_CODEC_ID_H264) {
707  // For H.264, the extradata can be returned in two separate buffers
708  // (the videocore encoder on raspberry pi does this);
709  // therefore check that we have got both SPS and PPS before continuing.
710  int nals[32] = { 0 };
711  int i;
712  for (i = 0; i + 4 < avctx->extradata_size; i++) {
713  if (!avctx->extradata[i + 0] &&
714  !avctx->extradata[i + 1] &&
715  !avctx->extradata[i + 2] &&
716  avctx->extradata[i + 3] == 1) {
717  nals[avctx->extradata[i + 4] & 0x1f]++;
718  }
719  }
720  if (nals[H264_NAL_SPS] && nals[H264_NAL_PPS])
721  break;
722  } else {
723  if (avctx->extradata_size > 0)
724  break;
725  }
726  }
727  }
728 
729  return 0;
730 fail:
731  return ret;
732 }
733 
734 
736  const AVFrame *frame, int *got_packet)
737 {
738  OMXCodecContext *s = avctx->priv_data;
739  int ret = 0;
740  OMX_BUFFERHEADERTYPE* buffer;
741  OMX_ERRORTYPE err;
742 
743  if (frame) {
744  uint8_t *dst[4];
745  int linesize[4];
746  int need_copy;
747  buffer = get_buffer(&s->input_mutex, &s->input_cond,
749 
750  buffer->nFilledLen = av_image_fill_arrays(dst, linesize, buffer->pBuffer, avctx->pix_fmt, s->stride, s->plane_size, 1);
751 
752  if (s->input_zerocopy) {
753  uint8_t *src[4] = { NULL };
754  int src_linesize[4];
755  av_image_fill_arrays(src, src_linesize, frame->data[0], avctx->pix_fmt, s->stride, s->plane_size, 1);
756  if (frame->linesize[0] == src_linesize[0] &&
757  frame->linesize[1] == src_linesize[1] &&
758  frame->linesize[2] == src_linesize[2] &&
759  frame->data[1] == src[1] &&
760  frame->data[2] == src[2]) {
761  // If the input frame happens to have all planes stored contiguously,
762  // with the right strides, just clone the frame and set the OMX
763  // buffer header to point to it
764  AVFrame *local = av_frame_clone(frame);
765  if (!local) {
766  // Return the buffer to the queue so it's not lost
768  return AVERROR(ENOMEM);
769  } else {
770  buffer->pAppPrivate = local;
771  buffer->pOutputPortPrivate = NULL;
772  buffer->pBuffer = local->data[0];
773  need_copy = 0;
774  }
775  } else {
776  // If not, we need to allocate a new buffer with the right
777  // size and copy the input frame into it.
778  uint8_t *buf = NULL;
779  int image_buffer_size = av_image_get_buffer_size(avctx->pix_fmt, s->stride, s->plane_size, 1);
780  if (image_buffer_size >= 0)
781  buf = av_malloc(image_buffer_size);
782  if (!buf) {
783  // Return the buffer to the queue so it's not lost
785  return AVERROR(ENOMEM);
786  } else {
787  buffer->pAppPrivate = buf;
788  // Mark that pAppPrivate is an av_malloc'ed buffer, not an AVFrame
789  buffer->pOutputPortPrivate = (void*) 1;
790  buffer->pBuffer = buf;
791  need_copy = 1;
792  buffer->nFilledLen = av_image_fill_arrays(dst, linesize, buffer->pBuffer, avctx->pix_fmt, s->stride, s->plane_size, 1);
793  }
794  }
795  } else {
796  need_copy = 1;
797  }
798  if (need_copy)
799  av_image_copy(dst, linesize, (const uint8_t**) frame->data, frame->linesize, avctx->pix_fmt, avctx->width, avctx->height);
800  buffer->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
801  buffer->nOffset = 0;
802  // Convert the timestamps to microseconds; some encoders can ignore
803  // the framerate and do VFR bit allocation based on timestamps.
804  buffer->nTimeStamp = to_omx_ticks(av_rescale_q(frame->pts, avctx->time_base, AV_TIME_BASE_Q));
805  err = OMX_EmptyThisBuffer(s->handle, buffer);
806  if (err != OMX_ErrorNone) {
808  av_log(avctx, AV_LOG_ERROR, "OMX_EmptyThisBuffer failed: %x\n", err);
809  return AVERROR_UNKNOWN;
810  }
811  } else if (!s->eos_sent) {
812  buffer = get_buffer(&s->input_mutex, &s->input_cond,
814 
815  buffer->nFilledLen = 0;
816  buffer->nFlags = OMX_BUFFERFLAG_EOS;
817  buffer->pAppPrivate = buffer->pOutputPortPrivate = NULL;
818  err = OMX_EmptyThisBuffer(s->handle, buffer);
819  if (err != OMX_ErrorNone) {
821  av_log(avctx, AV_LOG_ERROR, "OMX_EmptyThisBuffer failed: %x\n", err);
822  return AVERROR_UNKNOWN;
823  }
824  s->eos_sent = 1;
825  }
826 
827  while (!*got_packet && ret == 0 && !s->got_eos) {
828  // If not flushing, just poll the queue if there's finished packets.
829  // If flushing, do a blocking wait until we either get a completed
830  // packet, or get EOS.
831  buffer = get_buffer(&s->output_mutex, &s->output_cond,
833  !frame);
834  if (!buffer)
835  break;
836 
837  if (buffer->nFlags & OMX_BUFFERFLAG_EOS)
838  s->got_eos = 1;
839 
840  if (buffer->nFlags & OMX_BUFFERFLAG_CODECCONFIG && avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
841  if ((ret = av_reallocp(&avctx->extradata, avctx->extradata_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
842  avctx->extradata_size = 0;
843  goto end;
844  }
845  memcpy(avctx->extradata + avctx->extradata_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
846  avctx->extradata_size += buffer->nFilledLen;
847  memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
848  } else {
849  if (!(buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) || !pkt->data) {
850  // If the output packet isn't preallocated, just concatenate everything in our
851  // own buffer
852  int newsize = s->output_buf_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE;
853  if ((ret = av_reallocp(&s->output_buf, newsize)) < 0) {
854  s->output_buf_size = 0;
855  goto end;
856  }
857  memcpy(s->output_buf + s->output_buf_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
858  s->output_buf_size += buffer->nFilledLen;
859  if (buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) {
860  if ((ret = av_packet_from_data(pkt, s->output_buf, s->output_buf_size)) < 0) {
861  av_freep(&s->output_buf);
862  s->output_buf_size = 0;
863  goto end;
864  }
865  s->output_buf = NULL;
866  s->output_buf_size = 0;
867  }
868  } else {
869  // End of frame, and the caller provided a preallocated frame
870  if ((ret = ff_alloc_packet2(avctx, pkt, s->output_buf_size + buffer->nFilledLen, 0)) < 0) {
871  av_log(avctx, AV_LOG_ERROR, "Error getting output packet of size %d.\n",
872  (int)(s->output_buf_size + buffer->nFilledLen));
873  goto end;
874  }
875  memcpy(pkt->data, s->output_buf, s->output_buf_size);
876  memcpy(pkt->data + s->output_buf_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
877  av_freep(&s->output_buf);
878  s->output_buf_size = 0;
879  }
880  if (buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) {
881  pkt->pts = av_rescale_q(from_omx_ticks(buffer->nTimeStamp), AV_TIME_BASE_Q, avctx->time_base);
882  // We don't currently enable B-frames for the encoders, so set
883  // pkt->dts = pkt->pts. (The calling code behaves worse if the encoder
884  // doesn't set the dts).
885  pkt->dts = pkt->pts;
886  if (buffer->nFlags & OMX_BUFFERFLAG_SYNCFRAME)
887  pkt->flags |= AV_PKT_FLAG_KEY;
888  *got_packet = 1;
889  }
890  }
891 end:
892  err = OMX_FillThisBuffer(s->handle, buffer);
893  if (err != OMX_ErrorNone) {
895  av_log(avctx, AV_LOG_ERROR, "OMX_FillThisBuffer failed: %x\n", err);
896  ret = AVERROR_UNKNOWN;
897  }
898  }
899  return ret;
900 }
901 
903 {
904  OMXCodecContext *s = avctx->priv_data;
905 
906  cleanup(s);
907  return 0;
908 }
909 
910 #define OFFSET(x) offsetof(OMXCodecContext, x)
911 #define VDE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM
912 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
913 static const AVOption options[] = {
914  { "omx_libname", "OpenMAX library name", OFFSET(libname), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
915  { "omx_libprefix", "OpenMAX library prefix", OFFSET(libprefix), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
916  { "zerocopy", "Try to avoid copying input frames if possible", OFFSET(input_zerocopy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
917  { "profile", "Set the encoding profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, FF_PROFILE_H264_HIGH, VE, "profile" },
918  { "baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_H264_BASELINE }, 0, 0, VE, "profile" },
919  { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_H264_MAIN }, 0, 0, VE, "profile" },
920  { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_H264_HIGH }, 0, 0, VE, "profile" },
921  { NULL }
922 };
923 
924 static const enum AVPixelFormat omx_encoder_pix_fmts[] = {
926 };
927 
928 static const AVClass omx_mpeg4enc_class = {
929  .class_name = "mpeg4_omx",
930  .item_name = av_default_item_name,
931  .option = options,
932  .version = LIBAVUTIL_VERSION_INT,
933 };
935  .name = "mpeg4_omx",
936  .long_name = NULL_IF_CONFIG_SMALL("OpenMAX IL MPEG-4 video encoder"),
937  .type = AVMEDIA_TYPE_VIDEO,
938  .id = AV_CODEC_ID_MPEG4,
939  .priv_data_size = sizeof(OMXCodecContext),
941  .encode2 = omx_encode_frame,
942  .close = omx_encode_end,
943  .pix_fmts = omx_encoder_pix_fmts,
944  .capabilities = AV_CODEC_CAP_DELAY,
946  .priv_class = &omx_mpeg4enc_class,
947 };
948 
949 static const AVClass omx_h264enc_class = {
950  .class_name = "h264_omx",
951  .item_name = av_default_item_name,
952  .option = options,
953  .version = LIBAVUTIL_VERSION_INT,
954 };
956  .name = "h264_omx",
957  .long_name = NULL_IF_CONFIG_SMALL("OpenMAX IL H.264 video encoder"),
958  .type = AVMEDIA_TYPE_VIDEO,
959  .id = AV_CODEC_ID_H264,
960  .priv_data_size = sizeof(OMXCodecContext),
962  .encode2 = omx_encode_frame,
963  .close = omx_encode_end,
964  .pix_fmts = omx_encoder_pix_fmts,
965  .capabilities = AV_CODEC_CAP_DELAY,
967  .priv_class = &omx_h264enc_class,
968 };
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:48
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:2854
#define AVERROR_ENCODER_NOT_FOUND
Encoder not found.
Definition: error.h:54
#define NULL
Definition: coverity.c:32
const struct AVCodec * codec
Definition: avcodec.h:1497
AVRational framerate
Definition: avcodec.h:2998
const char * s
Definition: avisynth_c.h:768
#define VE
Definition: omx.c:912
static av_always_inline int pthread_mutex_destroy(pthread_mutex_t *mutex)
Definition: os2threads.h:106
void(* host_init)(void)
Definition: omx.c:86
#define to_omx_ticks(x)
Definition: omx.c:60
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
#define pthread_mutex_lock(a)
Definition: ffprobe.c:61
static av_always_inline int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
Definition: os2threads.h:164
AVOption.
Definition: opt.h:246
static av_cold int find_component(OMXContext *omx_context, void *logctx, const char *role, char *str, int str_size)
Definition: omx.c:338
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1538
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
OMX_BUFFERHEADERTYPE ** in_buffer_headers
Definition: omx.c:205
int num
Numerator.
Definition: rational.h:59
int av_image_fill_arrays(uint8_t *dst_data[4], int dst_linesize[4], const uint8_t *src, enum AVPixelFormat pix_fmt, int width, int height, int align)
Setup the data pointers and linesizes based on the specified image parameters and the provided array...
Definition: imgutils.c:410
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:193
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1697
Convenience header that includes libavutil's core.
static OMX_ERRORTYPE fill_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data, OMX_BUFFERHEADERTYPE *buffer)
Definition: omx.c:323
static av_cold int omx_encode_end(AVCodecContext *avctx)
Definition: omx.c:902
static OMX_BUFFERHEADERTYPE * get_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond, int *array_size, OMX_BUFFERHEADERTYPE **array, int wait)
Definition: omx.c:242
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
static AVPacket pkt
#define src
Definition: vp8dsp.c:254
int profile
profile
Definition: avcodec.h:2813
AVCodec.
Definition: avcodec.h:3351
static av_always_inline int pthread_cond_destroy(pthread_cond_t *cond)
Definition: os2threads.h:138
void * lib
Definition: omx.c:77
static OMX_ERRORTYPE empty_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data, OMX_BUFFERHEADERTYPE *buffer)
Definition: omx.c:305
int num_out_buffers
Definition: omx.c:204
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1610
void * lib2
Definition: omx.c:78
OMX_ERRORTYPE(* ptr_ComponentNameEnum)(OMX_STRING, OMX_U32, OMX_U32)
Definition: omx.c:81
int(* cond)(enum AVPixelFormat pix_fmt)
Definition: pixdesc_query.c:28
static enum AVPixelFormat omx_encoder_pix_fmts[]
Definition: omx.c:924
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:981
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: encode.c:32
OMX_ERRORTYPE(* ptr_GetRolesOfComponent)(OMX_STRING, OMX_U32 *, OMX_U8 **)
Definition: omx.c:85
#define FF_PROFILE_H264_BASELINE
Definition: avcodec.h:2852
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:40
HMTX pthread_mutex_t
Definition: os2threads.h:49
uint8_t
#define av_cold
Definition: attributes.h:82
#define av_malloc(s)
pthread_cond_t input_cond
Definition: omx.c:212
AVOptions.
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
OMX_BUFFERHEADERTYPE ** done_out_buffers
Definition: omx.c:210
int num_in_buffers
Definition: omx.c:204
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:294
int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
Initialize a reference-counted packet from av_malloc()ed data.
Definition: avpacket.c:152
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1588
static struct @281 state
static AVFrame * frame
uint8_t * data
Definition: avcodec.h:1400
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
#define av_log(a,...)
int got_eos
Definition: omx.c:223
OMX_ERRORTYPE error
Definition: omx.c:219
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1432
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
H.264 common definitions.
int profile
Definition: omx.c:229
enum AVCodecID id
Definition: avcodec.h:3365
int av_image_get_buffer_size(enum AVPixelFormat pix_fmt, int width, int height, int align)
Return the size in bytes of the amount of data required to store an image with the given parameters...
Definition: imgutils.c:430
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
pthread_cond_t state_cond
Definition: omx.c:217
OMXContext * omx_context
Definition: omx.c:193
int out_port
Definition: omx.c:200
int mutex_cond_inited
Definition: omx.c:221
#define AVERROR(e)
Definition: error.h:43
AVCodecContext * avctx
Definition: omx.c:195
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:163
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static av_cold int wait_for_state(OMXCodecContext *s, OMX_STATETYPE state)
Definition: omx.c:375
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1568
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:2856
pthread_mutex_t output_mutex
Definition: omx.c:213
#define VDE
Definition: omx.c:911
const char * name
Name of the codec implementation.
Definition: avcodec.h:3358
OMX_COLOR_FORMATTYPE color_format
Definition: omx.c:201
OMX_HANDLETYPE handle
Definition: omx.c:199
static void append_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond, int *array_size, OMX_BUFFERHEADERTYPE **array, OMX_BUFFERHEADERTYPE *buffer)
Definition: omx.c:232
AVCodec ff_mpeg4_omx_encoder
Definition: omx.c:934
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
Definition: avstring.c:83
#define fail()
Definition: checkasm.h:112
void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4], const uint8_t *src_data[4], const int src_linesizes[4], enum AVPixelFormat pix_fmt, int width, int height)
Copy image in src_data to dst_data.
Definition: imgutils.c:386
static int omx_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: omx.c:735
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1406
static av_cold void * dlsym_prefixed(void *handle, const char *symbol, const char *prefix)
Definition: omx.c:89
OMX_BUFFERHEADERTYPE ** out_buffer_headers
Definition: omx.c:206
OMX_ERRORTYPE(* ptr_GetHandle)(OMX_HANDLETYPE *, OMX_STRING, OMX_PTR, OMX_CALLBACKTYPE *)
Definition: omx.c:82
char * libname
Definition: omx.c:191
OMX_BUFFERHEADERTYPE ** free_in_buffers
Definition: omx.c:208
#define CHECK(x)
Definition: omx.c:68
int num_done_out_buffers
Definition: omx.c:209
int width
picture width / height.
Definition: avcodec.h:1660
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2814
static av_cold int omx_encode_init(AVCodecContext *avctx)
Definition: omx.c:639
static av_always_inline int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
Definition: os2threads.h:98
static const AVOption options[]
Definition: omx.c:913
pthread_cond_t output_cond
Definition: omx.c:214
int output_buf_size
Definition: omx.c:226
static av_cold int omx_try_load(OMXContext *s, void *logctx, const char *libname, const char *prefix, const char *libname2)
Definition: omx.c:96
#define pthread_mutex_unlock(a)
Definition: ffprobe.c:65
static pthread_mutex_t * mutex
Definition: w32pthreads.h:258
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:497
static const AVClass omx_mpeg4enc_class
Definition: omx.c:928
OMX_VERSIONTYPE version
Definition: omx.c:198
int input_zerocopy
Definition: omx.c:228
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
int av_reallocp(void *ptr, size_t size)
Allocate, reallocate, or free a block of memory through a pointer to a pointer.
Definition: mem.c:163
Libavcodec external API header.
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:232
int eos_sent
Definition: omx.c:223
main external API structure.
Definition: avcodec.h:1488
void * buf
Definition: avisynth_c.h:690
int extradata_size
Definition: avcodec.h:1589
Describe the class of an AVClass context structure.
Definition: log.h:67
#define OFFSET(x)
Definition: omx.c:910
char component_name[OMX_MAX_STRINGNAME_SIZE]
Definition: omx.c:197
static av_cold void omx_deinit(OMXContext *omx_context)
Definition: omx.c:180
#define snprintf
Definition: snprintf.h:34
static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
Definition: omx.c:387
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
mfxU16 profile
Definition: qsvenc.c:44
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:215
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:879
static const OMX_CALLBACKTYPE callbacks
Definition: omx.c:332
static OMX_ERRORTYPE event_handler(OMX_HANDLETYPE component, OMX_PTR app_data, OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2, OMX_PTR event_data)
Definition: omx.c:263
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1682
int av_strstart(const char *str, const char *pfx, const char **ptr)
Return non-zero if pfx is a prefix of str.
Definition: avstring.c:34
OMX_STATETYPE state
Definition: omx.c:218
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
common internal api header.
common internal and external API header
int plane_size
Definition: omx.c:202
static av_always_inline int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
Definition: os2threads.h:127
int in_port
Definition: omx.c:200
int den
Denominator.
Definition: rational.h:60
pthread_mutex_t input_mutex
Definition: omx.c:211
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
int stride
Definition: omx.c:202
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:770
void * priv_data
Definition: avcodec.h:1515
pthread_mutex_t state_mutex
Definition: omx.c:216
#define av_free(p)
#define from_omx_ticks(x)
Definition: omx.c:61
#define INIT_STRUCT(x)
Definition: omx.c:64
static av_always_inline int pthread_cond_broadcast(pthread_cond_t *cond)
Definition: os2threads.h:156
static const AVClass omx_h264enc_class
Definition: omx.c:949
OMX_ERRORTYPE(* ptr_FreeHandle)(OMX_HANDLETYPE)
Definition: omx.c:83
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1399
#define av_freep(p)
int num_free_in_buffers
Definition: omx.c:207
static int array[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:106
OMX_ERRORTYPE(* ptr_Deinit)(void)
Definition: omx.c:80
char * libprefix
Definition: omx.c:192
static av_cold void cleanup(OMXCodecContext *s)
Definition: omx.c:590
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
This structure stores compressed data.
Definition: avcodec.h:1377
AVCodec ff_h264_omx_encoder
Definition: omx.c:955
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1393
OMX_ERRORTYPE(* ptr_Init)(void)
Definition: omx.c:79
uint8_t * output_buf
Definition: omx.c:225
OMX_ERRORTYPE(* ptr_GetComponentsOfRole)(OMX_STRING, OMX_U32 *, OMX_U8 **)
Definition: omx.c:84
Definition: omx.c:76
GLuint buffer
Definition: opengl_enc.c:102
static av_cold OMXContext * omx_init(void *logctx, const char *libname, const char *prefix)
Definition: omx.c:140
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191