aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/omx.c
blob: 86913237b278086eec5b9d7f82fd838bd3e8429b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
/*
 * OMX Video encoder
 * Copyright (C) 2011 Martin Storsjo
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "config.h"

#if CONFIG_OMX_RPI
#define OMX_SKIP64BIT
#endif

#include <dlfcn.h>
#include <OMX_Core.h>
#include <OMX_Component.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>

#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"

#include "avcodec.h"
#include "codec_internal.h"
#include "h264.h"
#include "pthread_internal.h"

#ifdef OMX_SKIP64BIT
static OMX_TICKS to_omx_ticks(int64_t value)
{
    OMX_TICKS s;
    s.nLowPart  = value & 0xffffffff;
    s.nHighPart = value >> 32;
    return s;
}
static int64_t from_omx_ticks(OMX_TICKS value)
{
    return (((int64_t)value.nHighPart) << 32) | value.nLowPart;
}
#else
#define to_omx_ticks(x) (x)
#define from_omx_ticks(x) (x)
#endif

#define INIT_STRUCT(x) do {                                               \
        x.nSize = sizeof(x);                                              \
        x.nVersion = s->version;                                          \
    } while (0)
#define CHECK(x) do {                                                     \
        if (x != OMX_ErrorNone) {                                         \
            av_log(avctx, AV_LOG_ERROR,                                   \
                   "err %x (%d) on line %d\n", x, x, __LINE__);           \
            return AVERROR_UNKNOWN;                                       \
        }                                                                 \
    } while (0)

typedef struct OMXContext {
    void *lib;
    void *lib2;
    OMX_ERRORTYPE (*ptr_Init)(void);
    OMX_ERRORTYPE (*ptr_Deinit)(void);
    OMX_ERRORTYPE (*ptr_ComponentNameEnum)(OMX_STRING, OMX_U32, OMX_U32);
    OMX_ERRORTYPE (*ptr_GetHandle)(OMX_HANDLETYPE*, OMX_STRING, OMX_PTR, OMX_CALLBACKTYPE*);
    OMX_ERRORTYPE (*ptr_FreeHandle)(OMX_HANDLETYPE);
    OMX_ERRORTYPE (*ptr_GetComponentsOfRole)(OMX_STRING, OMX_U32*, OMX_U8**);
    OMX_ERRORTYPE (*ptr_GetRolesOfComponent)(OMX_STRING, OMX_U32*, OMX_U8**);
    void (*host_init)(void);
} OMXContext;

static av_cold void *dlsym_prefixed(void *handle, const char *symbol, const char *prefix)
{
    char buf[50];
    snprintf(buf, sizeof(buf), "%s%s", prefix ? prefix : "", symbol);
    return dlsym(handle, buf);
}

static av_cold int omx_try_load(OMXContext *s, void *logctx,
                                const char *libname, const char *prefix,
                                const char *libname2)
{
    if (libname2) {
        s->lib2 = dlopen(libname2, RTLD_NOW | RTLD_GLOBAL);
        if (!s->lib2) {
            av_log(logctx, AV_LOG_WARNING, "%s not found\n", libname2);
            return AVERROR_ENCODER_NOT_FOUND;
        }
        s->host_init = dlsym(s->lib2, "bcm_host_init");
        if (!s->host_init) {
            av_log(logctx, AV_LOG_WARNING, "bcm_host_init not found\n");
            dlclose(s->lib2);
            s->lib2 = NULL;
            return AVERROR_ENCODER_NOT_FOUND;
        }
    }
    s->lib = dlopen(libname, RTLD_NOW | RTLD_GLOBAL);
    if (!s->lib) {
        av_log(logctx, AV_LOG_WARNING, "%s not found\n", libname);
        return AVERROR_ENCODER_NOT_FOUND;
    }
    s->ptr_Init                = dlsym_prefixed(s->lib, "OMX_Init", prefix);
    s->ptr_Deinit              = dlsym_prefixed(s->lib, "OMX_Deinit", prefix);
    s->ptr_ComponentNameEnum   = dlsym_prefixed(s->lib, "OMX_ComponentNameEnum", prefix);
    s->ptr_GetHandle           = dlsym_prefixed(s->lib, "OMX_GetHandle", prefix);
    s->ptr_FreeHandle          = dlsym_prefixed(s->lib, "OMX_FreeHandle", prefix);
    s->ptr_GetComponentsOfRole = dlsym_prefixed(s->lib, "OMX_GetComponentsOfRole", prefix);
    s->ptr_GetRolesOfComponent = dlsym_prefixed(s->lib, "OMX_GetRolesOfComponent", prefix);
    if (!s->ptr_Init || !s->ptr_Deinit || !s->ptr_ComponentNameEnum ||
        !s->ptr_GetHandle || !s->ptr_FreeHandle ||
        !s->ptr_GetComponentsOfRole || !s->ptr_GetRolesOfComponent) {
        av_log(logctx, AV_LOG_WARNING, "Not all functions found in %s\n", libname);
        dlclose(s->lib);
        s->lib = NULL;
        if (s->lib2)
            dlclose(s->lib2);
        s->lib2 = NULL;
        return AVERROR_ENCODER_NOT_FOUND;
    }
    return 0;
}

static av_cold OMXContext *omx_init(void *logctx, const char *libname, const char *prefix)
{
    static const char * const libnames[] = {
#if CONFIG_OMX_RPI
        "/opt/vc/lib/libopenmaxil.so", "/opt/vc/lib/libbcm_host.so",
#else
        "libOMX_Core.so", NULL,
        "libOmxCore.so", NULL,
#endif
        NULL
    };
    const char* const* nameptr;
    int ret = AVERROR_ENCODER_NOT_FOUND;
    OMXContext *omx_context;

    omx_context = av_mallocz(sizeof(*omx_context));
    if (!omx_context)
        return NULL;
    if (libname) {
        ret = omx_try_load(omx_context, logctx, libname, prefix, NULL);
        if (ret < 0) {
            av_free(omx_context);
            return NULL;
        }
    } else {
        for (nameptr = libnames; *nameptr; nameptr += 2)
            if (!(ret = omx_try_load(omx_context, logctx, nameptr[0], prefix, nameptr[1])))
                break;
        if (!*nameptr) {
            av_free(omx_context);
            return NULL;
        }
    }

    if (omx_context->host_init)
        omx_context->host_init();
    omx_context->ptr_Init();
    return omx_context;
}

static av_cold void omx_deinit(OMXContext *omx_context)
{
    if (!omx_context)
        return;
    omx_context->ptr_Deinit();
    dlclose(omx_context->lib);
    av_free(omx_context);
}

typedef struct OMXCodecContext {
    const AVClass *class;
    char *libname;
    char *libprefix;
    OMXContext *omx_context;

    AVCodecContext *avctx;

    char component_name[OMX_MAX_STRINGNAME_SIZE];
    OMX_VERSIONTYPE version;
    OMX_HANDLETYPE handle;
    int in_port, out_port;
    OMX_COLOR_FORMATTYPE color_format;
    int stride, plane_size;

    int num_in_buffers, num_out_buffers;
    OMX_BUFFERHEADERTYPE **in_buffer_headers;
    OMX_BUFFERHEADERTYPE **out_buffer_headers;
    int num_free_in_buffers;
    OMX_BUFFERHEADERTYPE **free_in_buffers;
    int num_done_out_buffers;
    OMX_BUFFERHEADERTYPE **done_out_buffers;
    pthread_mutex_t input_mutex;
    pthread_cond_t input_cond;
    pthread_mutex_t output_mutex;
    pthread_cond_t output_cond;

    pthread_mutex_t state_mutex;
    pthread_cond_t state_cond;
    OMX_STATETYPE state;
    OMX_ERRORTYPE error;

    unsigned mutex_cond_inited_cnt;

    int eos_sent, got_eos;

    uint8_t *output_buf;
    int output_buf_size;

    int input_zerocopy;
    int profile;
} OMXCodecContext;

#define NB_MUTEX_CONDS 6
#define OFF(field) offsetof(OMXCodecContext, field)
DEFINE_OFFSET_ARRAY(OMXCodecContext, omx_codec_context, mutex_cond_inited_cnt,
                    (OFF(input_mutex), OFF(output_mutex), OFF(state_mutex)),
                    (OFF(input_cond),  OFF(output_cond),  OFF(state_cond)));

static void append_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
                          int* array_size, OMX_BUFFERHEADERTYPE **array,
                          OMX_BUFFERHEADERTYPE *buffer)
{
    pthread_mutex_lock(mutex);
    array[(*array_size)++] = buffer;
    pthread_cond_broadcast(cond);
    pthread_mutex_unlock(mutex);
}

static OMX_BUFFERHEADERTYPE *get_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
                                        int* array_size, OMX_BUFFERHEADERTYPE **array,
                                        int wait)
{
    OMX_BUFFERHEADERTYPE *buffer;
    pthread_mutex_lock(mutex);
    if (wait) {
        while (!*array_size)
           pthread_cond_wait(cond, mutex);
    }
    if (*array_size > 0) {
        buffer = array[0];
        (*array_size)--;
        memmove(&array[0], &array[1], (*array_size) * sizeof(OMX_BUFFERHEADERTYPE*));
    } else {
        buffer = NULL;
    }
    pthread_mutex_unlock(mutex);
    return buffer;
}

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)
{
    OMXCodecContext *s = app_data;
    // This uses casts in the printfs, since OMX_U32 actually is a typedef for
    // unsigned long in official header versions (but there are also modified
    // versions where it is something else).
    switch (event) {
    case OMX_EventError:
        pthread_mutex_lock(&s->state_mutex);
        av_log(s->avctx, AV_LOG_ERROR, "OMX error %"PRIx32"\n", (uint32_t) data1);
        s->error = data1;
        pthread_cond_broadcast(&s->state_cond);
        pthread_mutex_unlock(&s->state_mutex);
        break;
    case OMX_EventCmdComplete:
        if (data1 == OMX_CommandStateSet) {
            pthread_mutex_lock(&s->state_mutex);
            s->state = data2;
            av_log(s->avctx, AV_LOG_VERBOSE, "OMX state changed to %"PRIu32"\n", (uint32_t) data2);
            pthread_cond_broadcast(&s->state_cond);
            pthread_mutex_unlock(&s->state_mutex);
        } else if (data1 == OMX_CommandPortDisable) {
            av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" disabled\n", (uint32_t) data2);
        } else if (data1 == OMX_CommandPortEnable) {
            av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" enabled\n", (uint32_t) data2);
        } else {
            av_log(s->avctx, AV_LOG_VERBOSE, "OMX command complete, command %"PRIu32", value %"PRIu32"\n",
                                             (uint32_t) data1, (uint32_t) data2);
        }
        break;
    case OMX_EventPortSettingsChanged:
        av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" settings changed\n", (uint32_t) data1);
        break;
    default:
        av_log(s->avctx, AV_LOG_VERBOSE, "OMX event %d %"PRIx32" %"PRIx32"\n",
                                         event, (uint32_t) data1, (uint32_t) data2);
        break;
    }
    return OMX_ErrorNone;
}

static OMX_ERRORTYPE empty_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
                                       OMX_BUFFERHEADERTYPE *buffer)
{
    OMXCodecContext *s = app_data;
    if (s->input_zerocopy) {
        if (buffer->pAppPrivate) {
            if (buffer->pOutputPortPrivate)
                av_free(buffer->pAppPrivate);
            else
                av_frame_free((AVFrame**)&buffer->pAppPrivate);
            buffer->pAppPrivate = NULL;
        }
    }
    append_buffer(&s->input_mutex, &s->input_cond,
                  &s->num_free_in_buffers, s->free_in_buffers, buffer);
    return OMX_ErrorNone;
}

static OMX_ERRORTYPE fill_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
                                      OMX_BUFFERHEADERTYPE *buffer)
{
    OMXCodecContext *s = app_data;
    append_buffer(&s->output_mutex, &s->output_cond,
                  &s->num_done_out_buffers, s->done_out_buffers, buffer);
    return OMX_ErrorNone;
}

static const OMX_CALLBACKTYPE callbacks = {
    event_handler,
    empty_buffer_done,
    fill_buffer_done
};

static av_cold int find_component(OMXContext *omx_context, void *logctx,
                                  const char *role, char *str, int str_size)
{
    OMX_U32 i, num = 0;
    char **components;
    int ret = 0;

#if CONFIG_OMX_RPI
    if (av_strstart(role, "video_encoder.", NULL)) {
        av_strlcpy(str, "OMX.broadcom.video_encode", str_size);
        return 0;
    }
#endif
    omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, NULL);
    if (!num) {
        av_log(logctx, AV_LOG_WARNING, "No component for role %s found\n", role);
        return AVERROR_ENCODER_NOT_FOUND;
    }
    components = av_calloc(num, sizeof(*components));
    if (!components)
        return AVERROR(ENOMEM);
    for (i = 0; i < num; i++) {
        components[i] = av_mallocz(OMX_MAX_STRINGNAME_SIZE);
        if (!components[i]) {
            ret = AVERROR(ENOMEM);
            goto end;
        }
    }
    omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, (OMX_U8**) components);
    av_strlcpy(str, components[0], str_size);
end:
    for (i = 0; i < num; i++)
        av_free(components[i]);
    av_free(components);
    return ret;
}

static av_cold int wait_for_state(OMXCodecContext *s, OMX_STATETYPE state)
{
    int ret = 0;
    pthread_mutex_lock(&s->state_mutex);
    while (s->state != state && s->error == OMX_ErrorNone)
        pthread_cond_wait(&s->state_cond, &s->state_mutex);
    if (s->error != OMX_ErrorNone)
        ret = AVERROR_ENCODER_NOT_FOUND;
    pthread_mutex_unlock(&s->state_mutex);
    return ret;
}

static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
{
    OMXCodecContext *s = avctx->priv_data;
    OMX_PARAM_COMPONENTROLETYPE role_params = { 0 };
    OMX_PORT_PARAM_TYPE video_port_params = { 0 };
    OMX_PARAM_PORTDEFINITIONTYPE in_port_params = { 0 }, out_port_params = { 0 };
    OMX_VIDEO_PARAM_PORTFORMATTYPE video_port_format = { 0 };
    OMX_VIDEO_PARAM_BITRATETYPE vid_param_bitrate = { 0 };
    OMX_ERRORTYPE err;
    int i;

    s->version.s.nVersionMajor = 1;
    s->version.s.nVersionMinor = 1;
    s->version.s.nRevision     = 2;

    err = s->omx_context->ptr_GetHandle(&s->handle, s->component_name, s, (OMX_CALLBACKTYPE*) &callbacks);
    if (err != OMX_ErrorNone) {
        av_log(avctx, AV_LOG_ERROR, "OMX_GetHandle(%s) failed: %x\n", s->component_name, err);
        return AVERROR_UNKNOWN;
    }

    // This one crashes the mediaserver on qcom, if used over IOMX
    INIT_STRUCT(role_params);
    av_strlcpy(role_params.cRole, role, sizeof(role_params.cRole));
    // Intentionally ignore errors on this one
    OMX_SetParameter(s->handle, OMX_IndexParamStandardComponentRole, &role_params);

    INIT_STRUCT(video_port_params);
    err = OMX_GetParameter(s->handle, OMX_IndexParamVideoInit, &video_port_params);
    CHECK(err);

    s->in_port = s->out_port = -1;
    for (i = 0; i < video_port_params.nPorts; i++) {
        int port = video_port_params.nStartPortNumber + i;
        OMX_PARAM_PORTDEFINITIONTYPE port_params = { 0 };
        INIT_STRUCT(port_params);
        port_params.nPortIndex = port;
        err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &port_params);
        if (err != OMX_ErrorNone) {
            av_log(avctx, AV_LOG_WARNING, "port %d error %x\n", port, err);
            break;
        }
        if (port_params.eDir == OMX_DirInput && s->in_port < 0) {
            in_port_params = port_params;
            s->in_port = port;
        } else if (port_params.eDir == OMX_DirOutput && s->out_port < 0) {
            out_port_params = port_params;
            s->out_port = port;
        }
    }
    if (s->in_port < 0 || s->out_port < 0) {
        av_log(avctx, AV_LOG_ERROR, "No in or out port found (in %d out %d)\n", s->in_port, s->out_port);
        return AVERROR_UNKNOWN;
    }

    s->color_format = 0;
    for (i = 0; ; i++) {
        INIT_STRUCT(video_port_format);
        video_port_format.nIndex = i;
        video_port_format.nPortIndex = s->in_port;
        if (OMX_GetParameter(s->handle, OMX_IndexParamVideoPortFormat, &video_port_format) != OMX_ErrorNone)
            break;
        if (video_port_format.eColorFormat == OMX_COLOR_FormatYUV420Planar ||
            video_port_format.eColorFormat == OMX_COLOR_FormatYUV420PackedPlanar) {
            s->color_format = video_port_format.eColorFormat;
            break;
        }
    }
    if (s->color_format == 0) {
        av_log(avctx, AV_LOG_ERROR, "No supported pixel formats (%d formats available)\n", i);
        return AVERROR_UNKNOWN;
    }

    in_port_params.bEnabled   = OMX_TRUE;
    in_port_params.bPopulated = OMX_FALSE;
    in_port_params.eDomain    = OMX_PortDomainVideo;

    in_port_params.format.video.pNativeRender         = NULL;
    in_port_params.format.video.bFlagErrorConcealment = OMX_FALSE;
    in_port_params.format.video.eColorFormat          = s->color_format;
    s->stride     = avctx->width;
    s->plane_size = avctx->height;
    // If specific codecs need to manually override the stride/plane_size,
    // that can be done here.
    in_port_params.format.video.nStride      = s->stride;
    in_port_params.format.video.nSliceHeight = s->plane_size;
    in_port_params.format.video.nFrameWidth  = avctx->width;
    in_port_params.format.video.nFrameHeight = avctx->height;
    if (avctx->framerate.den > 0 && avctx->framerate.num > 0)
        in_port_params.format.video.xFramerate = (1LL << 16) * avctx->framerate.num / avctx->framerate.den;
    else
        in_port_params.format.video.xFramerate = (1LL << 16) * avctx->time_base.den / avctx->time_base.num;

    err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
    CHECK(err);
    err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
    CHECK(err);
    s->stride         = in_port_params.format.video.nStride;
    s->plane_size     = in_port_params.format.video.nSliceHeight;
    s->num_in_buffers = in_port_params.nBufferCountActual;

    err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
    out_port_params.bEnabled   = OMX_TRUE;
    out_port_params.bPopulated = OMX_FALSE;
    out_port_params.eDomain    = OMX_PortDomainVideo;
    out_port_params.format.video.pNativeRender = NULL;
    out_port_params.format.video.nFrameWidth   = avctx->width;
    out_port_params.format.video.nFrameHeight  = avctx->height;
    out_port_params.format.video.nStride       = 0;
    out_port_params.format.video.nSliceHeight  = 0;
    out_port_params.format.video.nBitrate      = avctx->bit_rate;
    out_port_params.format.video.xFramerate    = in_port_params.format.video.xFramerate;
    out_port_params.format.video.bFlagErrorConcealment  = OMX_FALSE;
    if (avctx->codec->id == AV_CODEC_ID_MPEG4)
        out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingMPEG4;
    else if (avctx->codec->id == AV_CODEC_ID_H264)
        out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;

    err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
    CHECK(err);
    err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
    CHECK(err);
    s->num_out_buffers = out_port_params.nBufferCountActual;

    INIT_STRUCT(vid_param_bitrate);
    vid_param_bitrate.nPortIndex     = s->out_port;
    vid_param_bitrate.eControlRate   = OMX_Video_ControlRateVariable;
    vid_param_bitrate.nTargetBitrate = avctx->bit_rate;
    err = OMX_SetParameter(s->handle, OMX_IndexParamVideoBitrate, &vid_param_bitrate);
    if (err != OMX_ErrorNone)
        av_log(avctx, AV_LOG_WARNING, "Unable to set video bitrate parameter\n");

    if (avctx->codec->id == AV_CODEC_ID_H264) {
        OMX_VIDEO_PARAM_AVCTYPE avc = { 0 };
        INIT_STRUCT(avc);
        avc.nPortIndex = s->out_port;
        err = OMX_GetParameter(s->handle, OMX_IndexParamVideoAvc, &avc);
        CHECK(err);
        avc.nBFrames = 0;
        avc.nPFrames = avctx->gop_size - 1;
        switch (s->profile == AV_PROFILE_UNKNOWN ? avctx->profile : s->profile) {
        case AV_PROFILE_H264_BASELINE:
            avc.eProfile = OMX_VIDEO_AVCProfileBaseline;
            break;
        case AV_PROFILE_H264_MAIN:
            avc.eProfile = OMX_VIDEO_AVCProfileMain;
            break;
        case AV_PROFILE_H264_HIGH:
            avc.eProfile = OMX_VIDEO_AVCProfileHigh;
            break;
        default:
            break;
        }
        err = OMX_SetParameter(s->handle, OMX_IndexParamVideoAvc, &avc);
        CHECK(err);
    }

    err = OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateIdle, NULL);
    CHECK(err);

    s->in_buffer_headers  = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_in_buffers);
    s->free_in_buffers    = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_in_buffers);
    s->out_buffer_headers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_out_buffers);
    s->done_out_buffers   = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_out_buffers);
    if (!s->in_buffer_headers || !s->free_in_buffers || !s->out_buffer_headers || !s->done_out_buffers)
        return AVERROR(ENOMEM);
    for (i = 0; i < s->num_in_buffers && err == OMX_ErrorNone; i++) {
        if (s->input_zerocopy)
            err = OMX_UseBuffer(s->handle, &s->in_buffer_headers[i], s->in_port, s, in_port_params.nBufferSize, NULL);
        else
            err = OMX_AllocateBuffer(s->handle, &s->in_buffer_headers[i],  s->in_port,  s, in_port_params.nBufferSize);
        if (err == OMX_ErrorNone)
            s->in_buffer_headers[i]->pAppPrivate = s->in_buffer_headers[i]->pOutputPortPrivate = NULL;
    }
    CHECK(err);
    s->num_in_buffers = i;
    for (i = 0; i < s->num_out_buffers && err == OMX_ErrorNone; i++)
        err = OMX_AllocateBuffer(s->handle, &s->out_buffer_headers[i], s->out_port, s, out_port_params.nBufferSize);
    CHECK(err);
    s->num_out_buffers = i;

    if (wait_for_state(s, OMX_StateIdle) < 0) {
        av_log(avctx, AV_LOG_ERROR, "Didn't get OMX_StateIdle\n");
        return AVERROR_UNKNOWN;
    }
    err = OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateExecuting, NULL);
    CHECK(err);
    if (wait_for_state(s, OMX_StateExecuting) < 0) {
        av_log(avctx, AV_LOG_ERROR, "Didn't get OMX_StateExecuting\n");
        return AVERROR_UNKNOWN;
    }

    for (i = 0; i < s->num_out_buffers && err == OMX_ErrorNone; i++)
        err = OMX_FillThisBuffer(s->handle, s->out_buffer_headers[i]);
    if (err != OMX_ErrorNone) {
        for (; i < s->num_out_buffers; i++)
            s->done_out_buffers[s->num_done_out_buffers++] = s->out_buffer_headers[i];
    }
    for (i = 0; i < s->num_in_buffers; i++)
        s->free_in_buffers[s->num_free_in_buffers++] = s->in_buffer_headers[i];
    return err != OMX_ErrorNone ? AVERROR_UNKNOWN : 0;
}

static av_cold void cleanup(OMXCodecContext *s)
{
    int executing;

    /* If the mutexes/condition variables have not been properly initialized,
     * nothing has been initialized and locking the mutex might be unsafe. */
    if (s->mutex_cond_inited_cnt == NB_MUTEX_CONDS) {
        pthread_mutex_lock(&s->state_mutex);
        executing = s->state == OMX_StateExecuting;
        pthread_mutex_unlock(&s->state_mutex);

        if (executing) {
            OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateIdle, NULL);
            wait_for_state(s, OMX_StateIdle);
            OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateLoaded, NULL);
            for (int i = 0; i < s->num_in_buffers; i++) {
                OMX_BUFFERHEADERTYPE *buffer = get_buffer(&s->input_mutex, &s->input_cond,
                                                        &s->num_free_in_buffers, s->free_in_buffers, 1);
                if (s->input_zerocopy)
                    buffer->pBuffer = NULL;
                OMX_FreeBuffer(s->handle, s->in_port, buffer);
            }
            for (int i = 0; i < s->num_out_buffers; i++) {
                OMX_BUFFERHEADERTYPE *buffer = get_buffer(&s->output_mutex, &s->output_cond,
                                                        &s->num_done_out_buffers, s->done_out_buffers, 1);
                OMX_FreeBuffer(s->handle, s->out_port, buffer);
            }
            wait_for_state(s, OMX_StateLoaded);
        }
        if (s->handle) {
            s->omx_context->ptr_FreeHandle(s->handle);
            s->handle = NULL;
        }

        omx_deinit(s->omx_context);
        s->omx_context = NULL;
        av_freep(&s->in_buffer_headers);
        av_freep(&s->out_buffer_headers);
        av_freep(&s->free_in_buffers);
        av_freep(&s->done_out_buffers);
        av_freep(&s->output_buf);
    }
    ff_pthread_free(s, omx_codec_context_offsets);
}

static av_cold int omx_encode_init(AVCodecContext *avctx)
{
    OMXCodecContext *s = avctx->priv_data;
    int ret = AVERROR_ENCODER_NOT_FOUND;
    const char *role;
    OMX_BUFFERHEADERTYPE *buffer;
    OMX_ERRORTYPE err;

    /* cleanup relies on the mutexes/conditions being initialized first. */
    ret = ff_pthread_init(s, omx_codec_context_offsets);
    if (ret < 0)
        return ret;
    s->omx_context = omx_init(avctx, s->libname, s->libprefix);
    if (!s->omx_context)
        return AVERROR_ENCODER_NOT_FOUND;

    s->avctx = avctx;
    s->state = OMX_StateLoaded;
    s->error = OMX_ErrorNone;

    switch (avctx->codec->id) {
    case AV_CODEC_ID_MPEG4:
        role = "video_encoder.mpeg4";
        break;
    case AV_CODEC_ID_H264:
        role = "video_encoder.avc";
        break;
    default:
        return AVERROR(ENOSYS);
    }

    if ((ret = find_component(s->omx_context, avctx, role, s->component_name, sizeof(s->component_name))) < 0)
        goto fail;

    av_log(avctx, AV_LOG_INFO, "Using %s\n", s->component_name);

    if ((ret = omx_component_init(avctx, role)) < 0)
        goto fail;

    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
        while (1) {
            buffer = get_buffer(&s->output_mutex, &s->output_cond,
                                &s->num_done_out_buffers, s->done_out_buffers, 1);
            if (buffer->nFlags & OMX_BUFFERFLAG_CODECCONFIG) {
                if ((ret = av_reallocp(&avctx->extradata, avctx->extradata_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
                    avctx->extradata_size = 0;
                    goto fail;
                }
                memcpy(avctx->extradata + avctx->extradata_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
                avctx->extradata_size += buffer->nFilledLen;
                memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
            }
            err = OMX_FillThisBuffer(s->handle, buffer);
            if (err != OMX_ErrorNone) {
                append_buffer(&s->output_mutex, &s->output_cond,
                              &s->num_done_out_buffers, s->done_out_buffers, buffer);
                av_log(avctx, AV_LOG_ERROR, "OMX_FillThisBuffer failed: %x\n", err);
                ret = AVERROR_UNKNOWN;
                goto fail;
            }
            if (avctx->codec->id == AV_CODEC_ID_H264) {
                // For H.264, the extradata can be returned in two separate buffers
                // (the videocore encoder on raspberry pi does this);
                // therefore check that we have got both SPS and PPS before continuing.
                int nals[32] = { 0 };
                int i;
                for (i = 0; i + 4 < avctx->extradata_size; i++) {
                     if (!avctx->extradata[i + 0] &&
                         !avctx->extradata[i + 1] &&
                         !avctx->extradata[i + 2] &&
                         avctx->extradata[i + 3] == 1) {
                         nals[avctx->extradata[i + 4] & 0x1f]++;
                     }
                }
                if (nals[H264_NAL_SPS] && nals[H264_NAL_PPS])
                    break;
            } else {
                if (avctx->extradata_size > 0)
                    break;
            }
        }
    }

    return 0;
fail:
    return ret;
}


static int omx_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                            const AVFrame *frame, int *got_packet)
{
    OMXCodecContext *s = avctx->priv_data;
    int ret = 0;
    OMX_BUFFERHEADERTYPE* buffer;
    OMX_ERRORTYPE err;
    int had_partial = 0;

    if (frame) {
        uint8_t *dst[4];
        int linesize[4];
        int need_copy;
        buffer = get_buffer(&s->input_mutex, &s->input_cond,
                            &s->num_free_in_buffers, s->free_in_buffers, 1);

        buffer->nFilledLen = av_image_fill_arrays(dst, linesize, buffer->pBuffer, avctx->pix_fmt, s->stride, s->plane_size, 1);

        if (s->input_zerocopy) {
            uint8_t *src[4] = { NULL };
            int src_linesize[4];
            av_image_fill_arrays(src, src_linesize, frame->data[0], avctx->pix_fmt, s->stride, s->plane_size, 1);
            if (frame->linesize[0] == src_linesize[0] &&
                frame->linesize[1] == src_linesize[1] &&
                frame->linesize[2] == src_linesize[2] &&
                frame->data[1] == src[1] &&
                frame->data[2] == src[2]) {
                // If the input frame happens to have all planes stored contiguously,
                // with the right strides, just clone the frame and set the OMX
                // buffer header to point to it
                AVFrame *local = av_frame_clone(frame);
                if (!local) {
                    // Return the buffer to the queue so it's not lost
                    append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
                    return AVERROR(ENOMEM);
                } else {
                    buffer->pAppPrivate = local;
                    buffer->pOutputPortPrivate = NULL;
                    buffer->pBuffer = local->data[0];
                    need_copy = 0;
                }
            } else {
                // If not, we need to allocate a new buffer with the right
                // size and copy the input frame into it.
                uint8_t *buf = NULL;
                int image_buffer_size = av_image_get_buffer_size(avctx->pix_fmt, s->stride, s->plane_size, 1);
                if (image_buffer_size >= 0)
                    buf = av_malloc(image_buffer_size);
                if (!buf) {
                    // Return the buffer to the queue so it's not lost
                    append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
                    return AVERROR(ENOMEM);
                } else {
                    buffer->pAppPrivate = buf;
                    // Mark that pAppPrivate is an av_malloc'ed buffer, not an AVFrame
                    buffer->pOutputPortPrivate = (void*) 1;
                    buffer->pBuffer = buf;
                    need_copy = 1;
                    buffer->nFilledLen = av_image_fill_arrays(dst, linesize, buffer->pBuffer, avctx->pix_fmt, s->stride, s->plane_size, 1);
                }
            }
        } else {
            need_copy = 1;
        }
        if (need_copy)
            av_image_copy2(dst, linesize, frame->data, frame->linesize,
                           avctx->pix_fmt, avctx->width, avctx->height);
        buffer->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
        buffer->nOffset = 0;
        // Convert the timestamps to microseconds; some encoders can ignore
        // the framerate and do VFR bit allocation based on timestamps.
        buffer->nTimeStamp = to_omx_ticks(av_rescale_q(frame->pts, avctx->time_base, AV_TIME_BASE_Q));
        if (frame->pict_type == AV_PICTURE_TYPE_I) {
#if CONFIG_OMX_RPI
            OMX_CONFIG_BOOLEANTYPE config = {0, };
            INIT_STRUCT(config);
            config.bEnabled = OMX_TRUE;
            err = OMX_SetConfig(s->handle, OMX_IndexConfigBrcmVideoRequestIFrame, &config);
            if (err != OMX_ErrorNone) {
                av_log(avctx, AV_LOG_ERROR, "OMX_SetConfig(RequestIFrame) failed: %x\n", err);
            }
#else
            OMX_CONFIG_INTRAREFRESHVOPTYPE config = {0, };
            INIT_STRUCT(config);
            config.nPortIndex = s->out_port;
            config.IntraRefreshVOP = OMX_TRUE;
            err = OMX_SetConfig(s->handle, OMX_IndexConfigVideoIntraVOPRefresh, &config);
            if (err != OMX_ErrorNone) {
                av_log(avctx, AV_LOG_ERROR, "OMX_SetConfig(IntraVOPRefresh) failed: %x\n", err);
            }
#endif
        }
        err = OMX_EmptyThisBuffer(s->handle, buffer);
        if (err != OMX_ErrorNone) {
            append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
            av_log(avctx, AV_LOG_ERROR, "OMX_EmptyThisBuffer failed: %x\n", err);
            return AVERROR_UNKNOWN;
        }
    } else if (!s->eos_sent) {
        buffer = get_buffer(&s->input_mutex, &s->input_cond,
                            &s->num_free_in_buffers, s->free_in_buffers, 1);

        buffer->nFilledLen = 0;
        buffer->nFlags = OMX_BUFFERFLAG_EOS;
        buffer->pAppPrivate = buffer->pOutputPortPrivate = NULL;
        err = OMX_EmptyThisBuffer(s->handle, buffer);
        if (err != OMX_ErrorNone) {
            append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
            av_log(avctx, AV_LOG_ERROR, "OMX_EmptyThisBuffer failed: %x\n", err);
            return AVERROR_UNKNOWN;
        }
        s->eos_sent = 1;
    }

    while (!*got_packet && ret == 0 && !s->got_eos) {
        // If not flushing, just poll the queue if there's finished packets.
        // If flushing, do a blocking wait until we either get a completed
        // packet, or get EOS.
        buffer = get_buffer(&s->output_mutex, &s->output_cond,
                            &s->num_done_out_buffers, s->done_out_buffers,
                            !frame || had_partial);
        if (!buffer)
            break;

        if (buffer->nFlags & OMX_BUFFERFLAG_EOS)
            s->got_eos = 1;

        if (buffer->nFlags & OMX_BUFFERFLAG_CODECCONFIG && avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
            if ((ret = av_reallocp(&avctx->extradata, avctx->extradata_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
                avctx->extradata_size = 0;
                goto end;
            }
            memcpy(avctx->extradata + avctx->extradata_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
            avctx->extradata_size += buffer->nFilledLen;
            memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
        } else {
            int newsize = s->output_buf_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE;
            if ((ret = av_reallocp(&s->output_buf, newsize)) < 0) {
                s->output_buf_size = 0;
                goto end;
            }
            memcpy(s->output_buf + s->output_buf_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
            s->output_buf_size += buffer->nFilledLen;
            if (buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) {
                memset(s->output_buf + s->output_buf_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
                if ((ret = av_packet_from_data(pkt, s->output_buf, s->output_buf_size)) < 0) {
                    av_freep(&s->output_buf);
                    s->output_buf_size = 0;
                    goto end;
                }
                s->output_buf = NULL;
                s->output_buf_size = 0;
                pkt->pts = av_rescale_q(from_omx_ticks(buffer->nTimeStamp), AV_TIME_BASE_Q, avctx->time_base);
                // We don't currently enable B-frames for the encoders, so set
                // pkt->dts = pkt->pts. (The calling code behaves worse if the encoder
                // doesn't set the dts).
                pkt->dts = pkt->pts;
                if (buffer->nFlags & OMX_BUFFERFLAG_SYNCFRAME)
                    pkt->flags |= AV_PKT_FLAG_KEY;
                *got_packet = 1;
            } else {
#if CONFIG_OMX_RPI
                had_partial = 1;
#endif
            }
        }
end:
        err = OMX_FillThisBuffer(s->handle, buffer);
        if (err != OMX_ErrorNone) {
            append_buffer(&s->output_mutex, &s->output_cond, &s->num_done_out_buffers, s->done_out_buffers, buffer);
            av_log(avctx, AV_LOG_ERROR, "OMX_FillThisBuffer failed: %x\n", err);
            ret = AVERROR_UNKNOWN;
        }
    }
    return ret;
}

static av_cold int omx_encode_end(AVCodecContext *avctx)
{
    OMXCodecContext *s = avctx->priv_data;

    cleanup(s);
    return 0;
}

#define OFFSET(x) offsetof(OMXCodecContext, x)
#define VDE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define VE  AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
    { "omx_libname", "OpenMAX library name", OFFSET(libname), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
    { "omx_libprefix", "OpenMAX library prefix", OFFSET(libprefix), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
    { "zerocopy", "Try to avoid copying input frames if possible", OFFSET(input_zerocopy), AV_OPT_TYPE_INT, { .i64 = CONFIG_OMX_RPI }, 0, 1, VE },
    { "profile",  "Set the encoding profile", OFFSET(profile), AV_OPT_TYPE_INT,   { .i64 = AV_PROFILE_UNKNOWN },       AV_PROFILE_UNKNOWN, AV_PROFILE_H264_HIGH, VE, .unit = "profile" },
    { "baseline", "",                         0,               AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_H264_BASELINE }, 0, 0, VE, .unit = "profile" },
    { "main",     "",                         0,               AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_H264_MAIN },     0, 0, VE, .unit = "profile" },
    { "high",     "",                         0,               AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_H264_HIGH },     0, 0, VE, .unit = "profile" },
    { NULL }
};

static const enum AVPixelFormat omx_encoder_pix_fmts[] = {
    AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE
};

static const AVClass omx_mpeg4enc_class = {
    .class_name = "mpeg4_omx",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
};
const FFCodec ff_mpeg4_omx_encoder = {
    .p.name           = "mpeg4_omx",
    CODEC_LONG_NAME("OpenMAX IL MPEG-4 video encoder"),
    .p.type           = AVMEDIA_TYPE_VIDEO,
    .p.id             = AV_CODEC_ID_MPEG4,
    .priv_data_size   = sizeof(OMXCodecContext),
    .init             = omx_encode_init,
    FF_CODEC_ENCODE_CB(omx_encode_frame),
    .close            = omx_encode_end,
    .p.pix_fmts       = omx_encoder_pix_fmts,
    .p.capabilities   = AV_CODEC_CAP_DELAY,
    .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,
    .p.priv_class     = &omx_mpeg4enc_class,
};

static const AVClass omx_h264enc_class = {
    .class_name = "h264_omx",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
};
const FFCodec ff_h264_omx_encoder = {
    .p.name           = "h264_omx",
    CODEC_LONG_NAME("OpenMAX IL H.264 video encoder"),
    .p.type           = AVMEDIA_TYPE_VIDEO,
    .p.id             = AV_CODEC_ID_H264,
    .priv_data_size   = sizeof(OMXCodecContext),
    .init             = omx_encode_init,
    FF_CODEC_ENCODE_CB(omx_encode_frame),
    .close            = omx_encode_end,
    .p.pix_fmts       = omx_encoder_pix_fmts,
    .p.capabilities   = AV_CODEC_CAP_DELAY,
    .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,
    .p.priv_class     = &omx_h264enc_class,
};