aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/mediacodecdec.c
blob: cc55b306bd3fa86c1ef90f97eb18a081afe84cf2 (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
/*
 * Android MediaCodec MPEG-2 / H.264 / H.265 / MPEG-4 / VP8 / VP9 decoders
 *
 * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
 *
 * 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_components.h"

#include <stdint.h>
#include <string.h>

#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixfmt.h"
#include "libavutil/internal.h"

#include "avcodec.h"
#include "codec_internal.h"
#include "decode.h"
#include "h264_parse.h"
#include "h264_ps.h"
#include "hevc/parse.h"
#include "hwconfig.h"
#include "internal.h"
#include "jni.h"
#include "mediacodec_wrapper.h"
#include "mediacodecdec_common.h"

typedef struct MediaCodecH264DecContext {

    AVClass *avclass;

    MediaCodecDecContext *ctx;

    AVPacket buffered_pkt;

    int delay_flush;
    int amlogic_mpeg2_api23_workaround;

    int use_ndk_codec;
} MediaCodecH264DecContext;

static av_cold int mediacodec_decode_close(AVCodecContext *avctx)
{
    MediaCodecH264DecContext *s = avctx->priv_data;

    ff_mediacodec_dec_close(avctx, s->ctx);
    s->ctx = NULL;

    av_packet_unref(&s->buffered_pkt);

    return 0;
}

#if CONFIG_H264_MEDIACODEC_DECODER || CONFIG_HEVC_MEDIACODEC_DECODER
static int h2645_ps_to_nalu(const uint8_t *src, int src_size, uint8_t **out, int *out_size)
{
    int i;
    int ret = 0;
    uint8_t *p = NULL;
    static const uint8_t nalu_header[] = { 0x00, 0x00, 0x00, 0x01 };

    if (!out || !out_size) {
        return AVERROR(EINVAL);
    }

    p = av_malloc(sizeof(nalu_header) + src_size);
    if (!p) {
        return AVERROR(ENOMEM);
    }

    *out = p;
    *out_size = sizeof(nalu_header) + src_size;

    memcpy(p, nalu_header, sizeof(nalu_header));
    memcpy(p + sizeof(nalu_header), src, src_size);

    /* Escape 0x00, 0x00, 0x0{0-3} pattern */
    for (i = 4; i < *out_size; i++) {
        if (i < *out_size - 3 &&
            p[i + 0] == 0 &&
            p[i + 1] == 0 &&
            p[i + 2] <= 3) {
            uint8_t *new;

            *out_size += 1;
            new = av_realloc(*out, *out_size);
            if (!new) {
                ret = AVERROR(ENOMEM);
                goto done;
            }
            *out = p = new;

            i = i + 2;
            memmove(p + i + 1, p + i, *out_size - (i + 1));
            p[i] = 0x03;
        }
    }
done:
    if (ret < 0) {
        av_freep(out);
        *out_size = 0;
    }

    return ret;
}
#endif

#if CONFIG_H264_MEDIACODEC_DECODER
static int h264_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
{
    int i;
    int ret;

    H264ParamSets ps;
    const PPS *pps = NULL;
    const SPS *sps = NULL;
    int is_avc = 0;
    int nal_length_size = 0;

    memset(&ps, 0, sizeof(ps));

    ret = ff_h264_decode_extradata(avctx->extradata, avctx->extradata_size,
                                   &ps, &is_avc, &nal_length_size, 0, avctx);
    if (ret < 0) {
        goto done;
    }

    for (i = 0; i < MAX_PPS_COUNT; i++) {
        if (ps.pps_list[i]) {
            pps = ps.pps_list[i];
            break;
        }
    }

    if (pps) {
        if (ps.sps_list[pps->sps_id]) {
            sps = ps.sps_list[pps->sps_id];
        }
    }

    if (pps && sps) {
        uint8_t *data = NULL;
        int data_size = 0;

        avctx->profile = ff_h264_get_profile(sps);
        avctx->level = sps->level_idc;

        if ((ret = h2645_ps_to_nalu(sps->data, sps->data_size, &data, &data_size)) < 0) {
            goto done;
        }
        ff_AMediaFormat_setBuffer(format, "csd-0", (void*)data, data_size);
        av_freep(&data);

        if ((ret = h2645_ps_to_nalu(pps->data, pps->data_size, &data, &data_size)) < 0) {
            goto done;
        }
        ff_AMediaFormat_setBuffer(format, "csd-1", (void*)data, data_size);
        av_freep(&data);
    } else {
        const int warn = is_avc && (avctx->codec_tag == MKTAG('a','v','c','1') ||
                                    avctx->codec_tag == MKTAG('a','v','c','2'));
        av_log(avctx, warn ? AV_LOG_WARNING : AV_LOG_DEBUG,
               "Could not extract PPS/SPS from extradata\n");
        ret = 0;
    }

done:
    ff_h264_ps_uninit(&ps);

    return ret;
}
#endif

#if CONFIG_HEVC_MEDIACODEC_DECODER
static int hevc_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
{
    int i;
    int ret;

    HEVCParamSets ps;
    HEVCSEI sei;

    const HEVCVPS *vps = NULL;
    const HEVCPPS *pps = NULL;
    const HEVCSPS *sps = NULL;
    int is_nalff = 0;
    int nal_length_size = 0;

    uint8_t *vps_data = NULL;
    uint8_t *sps_data = NULL;
    uint8_t *pps_data = NULL;
    int vps_data_size = 0;
    int sps_data_size = 0;
    int pps_data_size = 0;

    memset(&ps, 0, sizeof(ps));
    memset(&sei, 0, sizeof(sei));

    ret = ff_hevc_decode_extradata(avctx->extradata, avctx->extradata_size,
                                   &ps, &sei, &is_nalff, &nal_length_size, 0, 1, avctx);
    if (ret < 0) {
        goto done;
    }

    for (i = 0; i < HEVC_MAX_VPS_COUNT; i++) {
        if (ps.vps_list[i]) {
            vps = ps.vps_list[i];
            break;
        }
    }

    for (i = 0; i < HEVC_MAX_PPS_COUNT; i++) {
        if (ps.pps_list[i]) {
            pps = ps.pps_list[i];
            break;
        }
    }

    if (pps) {
        if (ps.sps_list[pps->sps_id]) {
            sps = ps.sps_list[pps->sps_id];
        }
    }

    if (vps && pps && sps) {
        uint8_t *data;
        int data_size;

        avctx->profile = sps->ptl.general_ptl.profile_idc;
        avctx->level   = sps->ptl.general_ptl.level_idc;

        if ((ret = h2645_ps_to_nalu(vps->data, vps->data_size, &vps_data, &vps_data_size)) < 0 ||
            (ret = h2645_ps_to_nalu(sps->data, sps->data_size, &sps_data, &sps_data_size)) < 0 ||
            (ret = h2645_ps_to_nalu(pps->data, pps->data_size, &pps_data, &pps_data_size)) < 0) {
            goto done;
        }

        data_size = vps_data_size + sps_data_size + pps_data_size;
        data = av_mallocz(data_size);
        if (!data) {
            ret = AVERROR(ENOMEM);
            goto done;
        }

        memcpy(data                                , vps_data, vps_data_size);
        memcpy(data + vps_data_size                , sps_data, sps_data_size);
        memcpy(data + vps_data_size + sps_data_size, pps_data, pps_data_size);

        ff_AMediaFormat_setBuffer(format, "csd-0", data, data_size);

        av_freep(&data);
    } else {
        const int warn = is_nalff && avctx->codec_tag == MKTAG('h','v','c','1');
        av_log(avctx, warn ? AV_LOG_WARNING : AV_LOG_DEBUG,
               "Could not extract VPS/PPS/SPS from extradata\n");
        ret = 0;
    }

done:
    ff_hevc_ps_uninit(&ps);

    av_freep(&vps_data);
    av_freep(&sps_data);
    av_freep(&pps_data);

    return ret;
}
#endif

#if CONFIG_MPEG2_MEDIACODEC_DECODER || \
    CONFIG_MPEG4_MEDIACODEC_DECODER || \
    CONFIG_VP8_MEDIACODEC_DECODER   || \
    CONFIG_VP9_MEDIACODEC_DECODER   || \
    CONFIG_AV1_MEDIACODEC_DECODER   || \
    CONFIG_AAC_MEDIACODEC_DECODER   || \
    CONFIG_AMRNB_MEDIACODEC_DECODER || \
    CONFIG_AMRWB_MEDIACODEC_DECODER || \
    CONFIG_MP3_MEDIACODEC_DECODER
static int common_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
{
    int ret = 0;

    if (avctx->extradata) {
        ff_AMediaFormat_setBuffer(format, "csd-0", avctx->extradata, avctx->extradata_size);
    }

    return ret;
}
#endif

static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
{
    int ret;
    int sdk_int;

    const char *codec_mime = NULL;

    FFAMediaFormat *format = NULL;
    MediaCodecH264DecContext *s = avctx->priv_data;

    if (s->use_ndk_codec < 0)
        s->use_ndk_codec = !av_jni_get_java_vm(avctx);

    format = ff_AMediaFormat_new(s->use_ndk_codec);
    if (!format) {
        av_log(avctx, AV_LOG_ERROR, "Failed to create media format\n");
        ret = AVERROR_EXTERNAL;
        goto done;
    }

    switch (avctx->codec_id) {
#if CONFIG_AV1_MEDIACODEC_DECODER
    case AV_CODEC_ID_AV1:
        codec_mime = "video/av01";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_H264_MEDIACODEC_DECODER
    case AV_CODEC_ID_H264:
        codec_mime = "video/avc";

        ret = h264_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_HEVC_MEDIACODEC_DECODER
    case AV_CODEC_ID_HEVC:
        codec_mime = "video/hevc";

        ret = hevc_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_MPEG2_MEDIACODEC_DECODER
    case AV_CODEC_ID_MPEG2VIDEO:
        codec_mime = "video/mpeg2";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_MPEG4_MEDIACODEC_DECODER
    case AV_CODEC_ID_MPEG4:
        codec_mime = "video/mp4v-es",

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_VP8_MEDIACODEC_DECODER
    case AV_CODEC_ID_VP8:
        codec_mime = "video/x-vnd.on2.vp8";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_VP9_MEDIACODEC_DECODER
    case AV_CODEC_ID_VP9:
        codec_mime = "video/x-vnd.on2.vp9";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_AAC_MEDIACODEC_DECODER
    case AV_CODEC_ID_AAC:
        codec_mime = "audio/mp4a-latm";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_AMRNB_MEDIACODEC_DECODER
    case AV_CODEC_ID_AMR_NB:
        codec_mime = "audio/3gpp";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_AMRWB_MEDIACODEC_DECODER
    case AV_CODEC_ID_AMR_WB:
        codec_mime = "audio/amr-wb";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
#if CONFIG_MP3_MEDIACODEC_DECODER
    case AV_CODEC_ID_MP3:
        codec_mime = "audio/mpeg";

        ret = common_set_extradata(avctx, format);
        if (ret < 0)
            goto done;
        break;
#endif
    default:
        av_assert0(0);
    }

    ff_AMediaFormat_setString(format, "mime", codec_mime);

    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
        ff_AMediaFormat_setInt32(format, "width", avctx->width);
        ff_AMediaFormat_setInt32(format, "height", avctx->height);
    } else {
        ff_AMediaFormat_setInt32(format, "channel-count", avctx->ch_layout.nb_channels);
        ff_AMediaFormat_setInt32(format, "sample-rate", avctx->sample_rate);
    }

    s->ctx = av_mallocz(sizeof(*s->ctx));
    if (!s->ctx) {
        av_log(avctx, AV_LOG_ERROR, "Failed to allocate MediaCodecDecContext\n");
        ret = AVERROR(ENOMEM);
        goto done;
    }

    s->ctx->delay_flush = s->delay_flush;
    s->ctx->use_ndk_codec = s->use_ndk_codec;

    if ((ret = ff_mediacodec_dec_init(avctx, s->ctx, codec_mime, format)) < 0) {
        s->ctx = NULL;
        goto done;
    }

    av_log(avctx, AV_LOG_INFO,
           "MediaCodec started successfully: codec = %s, ret = %d\n",
           s->ctx->codec_name, ret);

    sdk_int = ff_Build_SDK_INT(avctx);
    /* ff_Build_SDK_INT can fail when target API < 24 and JVM isn't available.
     * If we don't check sdk_int > 0, the workaround might be enabled by
     * mistake.
     * JVM is required to make the workaround works reliably. On the other hand,
     * missing a workaround should not be a serious issue, we do as best we can.
     */
    if (sdk_int > 0 && sdk_int <= 23 &&
        strcmp(s->ctx->codec_name, "OMX.amlogic.mpeg2.decoder.awesome") == 0) {
        av_log(avctx, AV_LOG_INFO, "Enabling workaround for %s on API=%d\n",
               s->ctx->codec_name, sdk_int);
        s->amlogic_mpeg2_api23_workaround = 1;
    }

done:
    if (format) {
        ff_AMediaFormat_delete(format);
    }

    if (ret < 0) {
        mediacodec_decode_close(avctx);
    }

    return ret;
}

static int mediacodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
{
    MediaCodecH264DecContext *s = avctx->priv_data;
    int ret;
    ssize_t index;

    /* In delay_flush mode, wait until the user has released or rendered
       all retained frames. */
    if (s->delay_flush && ff_mediacodec_dec_is_flushing(avctx, s->ctx)) {
        if (!ff_mediacodec_dec_flush(avctx, s->ctx)) {
            return AVERROR(EAGAIN);
        }
    }

    /* poll for new frame */
    ret = ff_mediacodec_dec_receive(avctx, s->ctx, frame, false);
    if (ret != AVERROR(EAGAIN))
        return ret;

    /* feed decoder */
    while (1) {
        if (s->ctx->current_input_buffer < 0 && !s->ctx->draining) {
            /* poll for input space */
            index = ff_AMediaCodec_dequeueInputBuffer(s->ctx->codec, 0);
            if (index < 0) {
                /* no space, block for an output frame to appear */
                ret = ff_mediacodec_dec_receive(avctx, s->ctx, frame, true);
                /* Try again if both input port and output port return EAGAIN.
                 * If no data is consumed and no frame in output, it can make
                 * both avcodec_send_packet() and avcodec_receive_frame()
                 * return EAGAIN, which violate the design.
                 */
                if (ff_AMediaCodec_infoTryAgainLater(s->ctx->codec, index) &&
                    ret == AVERROR(EAGAIN))
                    continue;
                return ret;
            }
            s->ctx->current_input_buffer = index;
        }

        /* try to flush any buffered packet data */
        if (s->buffered_pkt.size > 0) {
            ret = ff_mediacodec_dec_send(avctx, s->ctx, &s->buffered_pkt, false);
            if (ret >= 0) {
                s->buffered_pkt.size -= ret;
                s->buffered_pkt.data += ret;
                if (s->buffered_pkt.size <= 0) {
                    av_packet_unref(&s->buffered_pkt);
                } else {
                    av_log(avctx, AV_LOG_WARNING,
                           "could not send entire packet in single input buffer (%d < %d)\n",
                           ret, s->buffered_pkt.size+ret);
                }
            } else if (ret < 0 && ret != AVERROR(EAGAIN)) {
                return ret;
            }

            if (s->amlogic_mpeg2_api23_workaround && s->buffered_pkt.size <= 0) {
                /* fallthrough to fetch next packet regardless of input buffer space */
            } else {
                /* poll for space again */
                continue;
            }
        }

        /* fetch new packet or eof */
        ret = ff_decode_get_packet(avctx, &s->buffered_pkt);
        if (ret == AVERROR_EOF) {
            AVPacket null_pkt = { 0 };
            ret = ff_mediacodec_dec_send(avctx, s->ctx, &null_pkt, true);
            if (ret < 0)
                return ret;
            return ff_mediacodec_dec_receive(avctx, s->ctx, frame, true);
        } else if (ret == AVERROR(EAGAIN) && s->ctx->current_input_buffer < 0) {
            return ff_mediacodec_dec_receive(avctx, s->ctx, frame, true);
        } else if (ret < 0) {
            return ret;
        }
    }

    return AVERROR(EAGAIN);
}

static void mediacodec_decode_flush(AVCodecContext *avctx)
{
    MediaCodecH264DecContext *s = avctx->priv_data;

    av_packet_unref(&s->buffered_pkt);

    ff_mediacodec_dec_flush(avctx, s->ctx);
}

static const AVCodecHWConfigInternal *const mediacodec_hw_configs[] = {
    &(const AVCodecHWConfigInternal) {
        .public          = {
            .pix_fmt     = AV_PIX_FMT_MEDIACODEC,
            .methods     = AV_CODEC_HW_CONFIG_METHOD_AD_HOC |
                           AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX,
            .device_type = AV_HWDEVICE_TYPE_MEDIACODEC,
        },
        .hwaccel         = NULL,
    },
    NULL
};

#define OFFSET(x) offsetof(MediaCodecH264DecContext, x)
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption ff_mediacodec_vdec_options[] = {
    { "delay_flush", "Delay flush until hw output buffers are returned to the decoder",
                     OFFSET(delay_flush), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VD },
    { "ndk_codec", "Use MediaCodec from NDK",
                   OFFSET(use_ndk_codec), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VD },
    { NULL }
};

#define DECLARE_MEDIACODEC_VCLASS(short_name)                   \
static const AVClass ff_##short_name##_mediacodec_dec_class = { \
    .class_name = #short_name "_mediacodec",                    \
    .item_name  = av_default_item_name,                         \
    .option     = ff_mediacodec_vdec_options,                   \
    .version    = LIBAVUTIL_VERSION_INT,                        \
};

#define DECLARE_MEDIACODEC_VDEC(short_name, full_name, codec_id, bsf)                          \
DECLARE_MEDIACODEC_VCLASS(short_name)                                                          \
const FFCodec ff_ ## short_name ## _mediacodec_decoder = {                                     \
    .p.name         = #short_name "_mediacodec",                                               \
    CODEC_LONG_NAME(full_name " Android MediaCodec decoder"),                                  \
    .p.type         = AVMEDIA_TYPE_VIDEO,                                                      \
    .p.id           = codec_id,                                                                \
    .p.priv_class   = &ff_##short_name##_mediacodec_dec_class,                                 \
    .priv_data_size = sizeof(MediaCodecH264DecContext),                                        \
    .init           = mediacodec_decode_init,                                                  \
    FF_CODEC_RECEIVE_FRAME_CB(mediacodec_receive_frame),                                       \
    .flush          = mediacodec_decode_flush,                                                 \
    .close          = mediacodec_decode_close,                                                 \
    .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
    .caps_internal  = FF_CODEC_CAP_NOT_INIT_THREADSAFE,                                        \
    .bsfs           = bsf,                                                                     \
    .hw_configs     = mediacodec_hw_configs,                                                   \
    .p.wrapper_name = "mediacodec",                                                            \
};                                                                                             \

#if CONFIG_H264_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_VDEC(h264, "H.264", AV_CODEC_ID_H264, "h264_mp4toannexb")
#endif

#if CONFIG_HEVC_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_VDEC(hevc, "H.265", AV_CODEC_ID_HEVC, "hevc_mp4toannexb")
#endif

#if CONFIG_MPEG2_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_VDEC(mpeg2, "MPEG-2", AV_CODEC_ID_MPEG2VIDEO, NULL)
#endif

#if CONFIG_MPEG4_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_VDEC(mpeg4, "MPEG-4", AV_CODEC_ID_MPEG4, NULL)
#endif

#if CONFIG_VP8_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_VDEC(vp8, "VP8", AV_CODEC_ID_VP8, NULL)
#endif

#if CONFIG_VP9_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_VDEC(vp9, "VP9", AV_CODEC_ID_VP9, NULL)
#endif

#if CONFIG_AV1_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_VDEC(av1, "AV1", AV_CODEC_ID_AV1, NULL)
#endif

#define AD AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption ff_mediacodec_adec_options[] = {
    { "ndk_codec", "Use MediaCodec from NDK",
                   OFFSET(use_ndk_codec), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AD },
    { NULL }
};

#define DECLARE_MEDIACODEC_ACLASS(short_name)                   \
static const AVClass ff_##short_name##_mediacodec_dec_class = { \
    .class_name = #short_name "_mediacodec",                    \
    .item_name  = av_default_item_name,                         \
    .option     = ff_mediacodec_adec_options,                   \
    .version    = LIBAVUTIL_VERSION_INT,                        \
};

#define DECLARE_MEDIACODEC_ADEC(short_name, full_name, codec_id, bsf)                          \
DECLARE_MEDIACODEC_VCLASS(short_name)                                                          \
const FFCodec ff_ ## short_name ## _mediacodec_decoder = {                                     \
    .p.name         = #short_name "_mediacodec",                                               \
    CODEC_LONG_NAME(full_name " Android MediaCodec decoder"),                                  \
    .p.type         = AVMEDIA_TYPE_AUDIO,                                                      \
    .p.id           = codec_id,                                                                \
    .p.priv_class   = &ff_##short_name##_mediacodec_dec_class,                                 \
    .priv_data_size = sizeof(MediaCodecH264DecContext),                                        \
    .init           = mediacodec_decode_init,                                                  \
    FF_CODEC_RECEIVE_FRAME_CB(mediacodec_receive_frame),                                       \
    .flush          = mediacodec_decode_flush,                                                 \
    .close          = mediacodec_decode_close,                                                 \
    .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,                              \
    .caps_internal  = FF_CODEC_CAP_NOT_INIT_THREADSAFE,                                        \
    .bsfs           = bsf,                                                                     \
    .p.wrapper_name = "mediacodec",                                                            \
};                                                                                             \

#if CONFIG_AAC_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_ADEC(aac, "AAC", AV_CODEC_ID_AAC, "aac_adtstoasc")
#endif

#if CONFIG_AMRNB_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_ADEC(amrnb, "AMR-NB", AV_CODEC_ID_AMR_NB, NULL)
#endif

#if CONFIG_AMRWB_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_ADEC(amrwb, "AMR-WB", AV_CODEC_ID_AMR_WB, NULL)
#endif

#if CONFIG_MP3_MEDIACODEC_DECODER
DECLARE_MEDIACODEC_ADEC(mp3, "MP3", AV_CODEC_ID_MP3, NULL)
#endif