static int feed_input_buffer(JNIEnv *env, IJKFF_Pipenode *node, int64_t timeUs, int *enqueue_count)
{
    IJKFF_Pipenode_Opaque *opaque   = node->opaque;
    FFPlayer              *ffp      = opaque->ffp;
    IJKFF_Pipeline        *pipeline = opaque->pipeline;
    VideoState            *is       = ffp->is;
    Decoder               *d        = &is->viddec;
    PacketQueue           *q        = d->queue;
    sdl_amedia_status_t    amc_ret  = 0;
    int                    ret      = 0;
    ssize_t  input_buffer_index = 0;
    ssize_t  copy_size          = 0;
    int64_t  time_stamp         = 0;
    uint32_t queue_flags        = 0;

    if (enqueue_count)
        *enqueue_count = 0;

    if (d->queue->abort_request) {
        ret = 0;
        goto fail;
    }

    opaque->avctx = opaque->decoder->avctx;

    if (!d->packet_pending || d->queue->serial != d->pkt_serial) {
#if AMC_USE_AVBITSTREAM_FILTER
#else
        H264ConvertState convert_state = {0, 0};
#endif
        AVPacket pkt;
        do {
            if (d->queue->nb_packets == 0)
                SDL_CondSignal(d->empty_queue_cond);
            if (ffp_packet_queue_get_or_buffering(ffp, d->queue, &pkt, &d->pkt_serial, &d->finished) < 0) {
                ret = -1;
                goto fail;
            }
            if (ffp_is_flush_packet(&pkt) || opaque->acodec_flush_request) {
                // request flush before lock, or never get mutex
                opaque->acodec_flush_request = true;
                SDL_LockMutex(opaque->acodec_mutex);
                if (SDL_AMediaCodec_isStarted(opaque->acodec)) {
                    if (opaque->input_packet_count > 0) {
                        // flush empty queue cause error on OMX.SEC.AVC.Decoder (Nexus S)
                        SDL_VoutAndroid_invalidateAllBuffers(opaque->weak_vout);
                        SDL_AMediaCodec_flush(opaque->acodec);
                        opaque->input_packet_count = 0;
                    }
                    // If codec is configured in synchronous mode, codec will resume automatically
                    // SDL_AMediaCodec_start(opaque->acodec);
                }
                opaque->acodec_flush_request = false;
                SDL_CondSignal(opaque->acodec_cond);
                SDL_UnlockMutex(opaque->acodec_mutex);
                d->finished = 0;
                d->next_pts = d->start_pts;
                d->next_pts_tb = d->start_pts_tb;
            }
        } while (ffp_is_flush_packet(&pkt) || d->queue->serial != d->pkt_serial);
        av_free_packet(&d->pkt);
        d->pkt_temp = d->pkt = pkt;
        d->packet_pending = 1;
#if AMC_USE_AVBITSTREAM_FILTER
        // d->pkt_temp->data could be allocated by av_bitstream_filter_filter
        if (d->bfsc_ret > 0) {
            if (d->bfsc_data)
                av_freep(&d->bfsc_data);
            d->bfsc_ret = 0;
        }
        d->bfsc_ret =
            av_bitstream_filter_filter(opaque->bsfc, opaque->avctx, NULL, &d->pkt_temp.data, &d->pkt_temp.size,
                                       d->pkt.data, d->pkt.size, d->pkt.flags & AV_PKT_FLAG_KEY);
        if (d->bfsc_ret > 0) {
            d->bfsc_data = d->pkt_temp.data;
        } else if (d->bfsc_ret < 0) {
            ALOGE("%s: av_bitstream_filter_filter failed\n", __func__);
            ret = -1;
            goto fail;
        }

        if (d->pkt_temp.size == d->pkt.size + opaque->avctx->extradata_size) {
            d->pkt_temp.data += opaque->avctx->extradata_size;
            d->pkt_temp.size  = d->pkt.size;
        }

        AMCTRACE("bsfc->filter(%d): %p[%d] -> %p[%d]", d->bfsc_ret, d->pkt.data, (int)d->pkt.size, d->pkt_temp.data, (int)d->pkt_temp.size);
#else
#if 0
        AMCTRACE("raw [%d][%d] %02x%02x%02x%02x%02x%02x%02x%02x", (int)d->pkt_temp.size,
            (int)opaque->nal_size,
            d->pkt_temp.data[0],
            d->pkt_temp.data[1],
            d->pkt_temp.data[2],
            d->pkt_temp.data[3],
            d->pkt_temp.data[4],
            d->pkt_temp.data[5],
            d->pkt_temp.data[6],
            d->pkt_temp.data[7]);
#endif
    if (opaque->avctx->codec_id == AV_CODEC_ID_H264 || opaque->avctx->codec_id == AV_CODEC_ID_HEVC) {
        convert_h264_to_annexb(d->pkt_temp.data, d->pkt_temp.size, opaque->nal_size, &convert_state);
        int64_t time_stamp = d->pkt_temp.pts;
        if (!time_stamp && d->pkt_temp.dts)
            time_stamp = d->pkt_temp.dts;
        if (time_stamp > 0) {
            time_stamp = av_rescale_q(time_stamp, is->video_st->time_base, AV_TIME_BASE_Q);
        } else {
            time_stamp = 0;
        }
    }
#if 0
        AMCTRACE("input[%d][%d][%lld,%lld (%d, %d) -> %lld] %02x%02x%02x%02x%02x%02x%02x%02x", (int)d->pkt_temp.size,
            (int)opaque->nal_size,
            (int64_t)d->pkt_temp.pts,
            (int64_t)d->pkt_temp.dts,
            (int)is->video_st->time_base.num,
            (int)is->video_st->time_base.den,
            (int64_t)time_stamp,
            d->pkt_temp.data[0],
            d->pkt_temp.data[1],
            d->pkt_temp.data[2],
            d->pkt_temp.data[3],
            d->pkt_temp.data[4],
            d->pkt_temp.data[5],
            d->pkt_temp.data[6],
            d->pkt_temp.data[7]);
#endif
#endif
    }

    if (d->pkt_temp.data) {
        // reconfigure surface if surface changed
        // NULL surface cause no display
        if (ffpipeline_is_surface_need_reconfigure_l(pipeline)) {
            jobject new_surface = NULL;

            // request reconfigure before lock, or never get mutex
            ffpipeline_lock_surface(pipeline);
            ffpipeline_set_surface_need_reconfigure_l(pipeline, false);
            new_surface = ffpipeline_get_surface_as_global_ref_l(env, pipeline);
            ffpipeline_unlock_surface(pipeline);

            if (opaque->jsurface == new_surface ||
                (opaque->jsurface && new_surface && (*env)->IsSameObject(env, new_surface, opaque->jsurface))) {
                ALOGI("%s: same surface, reuse previous surface\n", __func__);
                J4A_DeleteGlobalRef__p(env, &new_surface);
            } else {
                opaque->acodec_reconfigure_request = true;
                SDL_LockMutex(opaque->acodec_mutex);
                ret = reconfigure_codec_l(env, node, new_surface);
                opaque->acodec_reconfigure_request = false;
                SDL_CondSignal(opaque->acodec_cond);
                SDL_UnlockMutex(opaque->acodec_mutex);

                J4A_DeleteGlobalRef__p(env, &new_surface);

                if (ret != 0) {
                    ALOGE("%s: reconfigure_codec failed\n", __func__);
                    ret = 0;
                    goto fail;
                }

                SDL_LockMutex(opaque->acodec_first_dequeue_output_mutex);
                while (!q->abort_request &&
                    !opaque->acodec_reconfigure_request &&
                    !opaque->acodec_flush_request &&
                    opaque->acodec_first_dequeue_output_request) {
                    SDL_CondWaitTimeout(opaque->acodec_first_dequeue_output_cond, opaque->acodec_first_dequeue_output_mutex, 1000);
                }
                SDL_UnlockMutex(opaque->acodec_first_dequeue_output_mutex);

                if (q->abort_request || opaque->acodec_reconfigure_request || opaque->acodec_flush_request) {
                    ret = 0;
                    goto fail;
                }
            }
        }

#if 0
        // no need to decode without surface
        if (!opaque->jsurface) {
            ret = amc_decode_picture_fake(node, 1000);
            goto fail;
        }
#endif

        queue_flags = 0;
        input_buffer_index = SDL_AMediaCodec_dequeueInputBuffer(opaque->acodec, timeUs);
        if (input_buffer_index < 0) {
            if (SDL_AMediaCodec_isInputBuffersValid(opaque->acodec)) {
                // timeout
                ret = 0;
                goto fail;
            } else {
                // enqueue fake frame
                queue_flags |= AMEDIACODEC__BUFFER_FLAG_FAKE_FRAME;
                copy_size    = d->pkt_temp.size;
            }
        } else {
            SDL_AMediaCodecFake_flushFakeFrames(opaque->acodec);

            copy_size = SDL_AMediaCodec_writeInputData(opaque->acodec, input_buffer_index, d->pkt_temp.data, d->pkt_temp.size);
            if (!copy_size) {
                ALOGE("%s: SDL_AMediaCodec_getInputBuffer failed\n", __func__);
                ret = -1;
                goto fail;
            }
        }

        time_stamp = d->pkt_temp.pts;
        if (!time_stamp && d->pkt_temp.dts)
            time_stamp = d->pkt_temp.dts;
        if (time_stamp > 0) {
            time_stamp = av_rescale_q(time_stamp, is->video_st->time_base, AV_TIME_BASE_Q);
        } else {
            time_stamp = 0;
        }
        // ALOGE("queueInputBuffer, %lld\n", time_stamp);
        amc_ret = SDL_AMediaCodec_queueInputBuffer(opaque->acodec, input_buffer_index, 0, copy_size, time_stamp, queue_flags);
        if (amc_ret != SDL_AMEDIA_OK) {
            ALOGE("%s: SDL_AMediaCodec_getInputBuffer failed\n", __func__);
            ret = -1;
            goto fail;
        }
        // ALOGE("%s: queue %d/%d", __func__, (int)copy_size, (int)input_buffer_size);
        opaque->input_packet_count++;
        if (enqueue_count)
            ++*enqueue_count;
    }

    if (copy_size < 0) {
        d->packet_pending = 0;
    } else {
        d->pkt_temp.dts =
        d->pkt_temp.pts = AV_NOPTS_VALUE;
        if (d->pkt_temp.data) {
            d->pkt_temp.data += copy_size;
            d->pkt_temp.size -= copy_size;
            if (d->pkt_temp.size <= 0)
                d->packet_pending = 0;
        } else {
            // FIXME: detect if decode finished
            // if (!got_frame) {
                d->packet_pending = 0;
                d->finished = d->pkt_serial;
            // }
        }
    }

fail:
    return ret;
}
IJKFF_Pipenode *ffpipenode_create_video_decoder_from_android_mediacodec(FFPlayer *ffp, IJKFF_Pipeline *pipeline, SDL_Vout *vout)
{
    ALOGD("ffpipenode_create_video_decoder_from_android_mediacodec()\n");
    if (SDL_Android_GetApiLevel() < IJK_API_16_JELLY_BEAN)
        return NULL;

    if (!ffp || !ffp->is)
        return NULL;

    IJKFF_Pipenode *node = ffpipenode_alloc(sizeof(IJKFF_Pipenode_Opaque));
    if (!node)
        return node;

    VideoState            *is     = ffp->is;
    IJKFF_Pipenode_Opaque *opaque = node->opaque;
    JNIEnv                *env    = NULL;
    int                    ret    = 0;
    int                    rotate_degrees = 0;

    node->func_destroy  = func_destroy;
    node->func_run_sync = func_run_sync;
    node->func_flush    = func_flush;
    opaque->pipeline    = pipeline;
    opaque->ffp         = ffp;
    opaque->decoder     = &is->viddec;
    opaque->weak_vout   = vout;

    opaque->avctx = opaque->decoder->avctx;
    switch (opaque->avctx->codec_id) {
    case AV_CODEC_ID_H264:
        if (!ffp->mediacodec_avc && !ffp->mediacodec_all_videos) {
            ALOGE("%s: MediaCodec: AVC/H264 is disabled. codec_id:%d \n", __func__, opaque->avctx->codec_id);
            goto fail;
        }
        switch (opaque->avctx->profile) {
            case FF_PROFILE_H264_BASELINE:
                ALOGI("%s: MediaCodec: H264_BASELINE: enabled\n", __func__);
                break;
            case FF_PROFILE_H264_CONSTRAINED_BASELINE:
                ALOGI("%s: MediaCodec: H264_CONSTRAINED_BASELINE: enabled\n", __func__);
                break;
            case FF_PROFILE_H264_MAIN:
                ALOGI("%s: MediaCodec: H264_MAIN: enabled\n", __func__);
                break;
            case FF_PROFILE_H264_EXTENDED:
                ALOGI("%s: MediaCodec: H264_EXTENDED: enabled\n", __func__);
                break;
            case FF_PROFILE_H264_HIGH:
                ALOGI("%s: MediaCodec: H264_HIGH: enabled\n", __func__);
                break;
            case FF_PROFILE_H264_HIGH_10:
                ALOGW("%s: MediaCodec: H264_HIGH_10: disabled\n", __func__);
                goto fail;
            case FF_PROFILE_H264_HIGH_10_INTRA:
                ALOGW("%s: MediaCodec: H264_HIGH_10_INTRA: disabled\n", __func__);
                goto fail;
            case FF_PROFILE_H264_HIGH_422:
                ALOGW("%s: MediaCodec: H264_HIGH_10_422: disabled\n", __func__);
                goto fail;
            case FF_PROFILE_H264_HIGH_422_INTRA:
                ALOGW("%s: MediaCodec: H264_HIGH_10_INTRA: disabled\n", __func__);
                goto fail;
            case FF_PROFILE_H264_HIGH_444:
                ALOGW("%s: MediaCodec: H264_HIGH_10_444: disabled\n", __func__);
                goto fail;
            case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
                ALOGW("%s: MediaCodec: H264_HIGH_444_PREDICTIVE: disabled\n", __func__);
                goto fail;
            case FF_PROFILE_H264_HIGH_444_INTRA:
                ALOGW("%s: MediaCodec: H264_HIGH_444_INTRA: disabled\n", __func__);
                goto fail;
            case FF_PROFILE_H264_CAVLC_444:
                ALOGW("%s: MediaCodec: H264_CAVLC_444: disabled\n", __func__);
                goto fail;
            default:
                ALOGW("%s: MediaCodec: (%d) unknown profile: disabled\n", __func__, opaque->avctx->profile);
                goto fail;
        }
        strcpy(opaque->mcc.mime_type, SDL_AMIME_VIDEO_AVC);
        opaque->mcc.profile = opaque->avctx->profile;
        opaque->mcc.level   = opaque->avctx->level;
        break;
    case AV_CODEC_ID_HEVC:
        if (!ffp->mediacodec_hevc && !ffp->mediacodec_all_videos) {
            ALOGE("%s: MediaCodec/HEVC is disabled. codec_id:%d \n", __func__, opaque->avctx->codec_id);
            goto fail;
        }
        strcpy(opaque->mcc.mime_type, SDL_AMIME_VIDEO_HEVC);
        opaque->mcc.profile = opaque->avctx->profile;
        opaque->mcc.level   = opaque->avctx->level;
        break;
    default:
        ALOGE("%s:create: not H264 or H265/HEVC, codec_id:%d \n", __func__, opaque->avctx->codec_id);
        goto fail;
    }

    if (JNI_OK != SDL_JNI_SetupThreadEnv(&env)) {
        ALOGE("%s:create: SetupThreadEnv failed\n", __func__);
        goto fail;
    }

    opaque->acodec_mutex                      = SDL_CreateMutex();
    opaque->acodec_cond                       = SDL_CreateCond();
    opaque->acodec_first_dequeue_output_mutex = SDL_CreateMutex();
    opaque->acodec_first_dequeue_output_cond  = SDL_CreateCond();

    ffp_packet_queue_init(&opaque->fake_pictq);
    ffp_packet_queue_start(&opaque->fake_pictq);

    if (!opaque->acodec_cond || !opaque->acodec_cond || !opaque->acodec_first_dequeue_output_mutex || !opaque->acodec_first_dequeue_output_cond) {
        ALOGE("%s:open_video_decoder: SDL_CreateCond() failed\n", __func__);
        goto fail;
    }

    ALOGI("AMediaFormat: %s, %dx%d\n", opaque->mcc.mime_type, opaque->avctx->width, opaque->avctx->height);
    opaque->input_aformat = SDL_AMediaFormatJava_createVideoFormat(env, opaque->mcc.mime_type, opaque->avctx->width, opaque->avctx->height);
    if (opaque->avctx->extradata && opaque->avctx->extradata_size > 0) {
        if ((opaque->avctx->codec_id == AV_CODEC_ID_H264 || opaque->avctx->codec_id == AV_CODEC_ID_HEVC)
            && opaque->avctx->extradata[0] == 1) {
#if AMC_USE_AVBITSTREAM_FILTER
            if (opaque->avctx->codec_id == AV_CODEC_ID_H264) {
                opaque->bsfc = av_bitstream_filter_init("h264_mp4toannexb");
                if (!opaque->bsfc) {
                    ALOGE("Cannot open the h264_mp4toannexb BSF!\n");
                    goto fail;
                }
            } else {
                opaque->bsfc = av_bitstream_filter_init("hevc_mp4toannexb");
                if (!opaque->bsfc) {
                    ALOGE("Cannot open the hevc_mp4toannexb BSF!\n");
                    goto fail;
                }
            }

            opaque->orig_extradata_size = opaque->avctx->extradata_size;
            opaque->orig_extradata = (uint8_t*) av_mallocz(opaque->avctx->extradata_size +
                                                      FF_INPUT_BUFFER_PADDING_SIZE);
            if (!opaque->orig_extradata) {
                goto fail;
            }
            memcpy(opaque->orig_extradata, opaque->avctx->extradata, opaque->avctx->extradata_size);
            for(int i = 0; i < opaque->avctx->extradata_size; i+=4) {
                ALOGE("csd-0[%d]: %02x%02x%02x%02x\n", opaque->avctx->extradata_size, (int)opaque->avctx->extradata[i+0], (int)opaque->avctx->extradata[i+1], (int)opaque->avctx->extradata[i+2], (int)opaque->avctx->extradata[i+3]);
            }
            SDL_AMediaFormat_setBuffer(opaque->input_aformat, "csd-0", opaque->avctx->extradata, opaque->avctx->extradata_size);
#else
            size_t   sps_pps_size   = 0;
            size_t   convert_size   = opaque->avctx->extradata_size + 20;
            uint8_t *convert_buffer = (uint8_t *)calloc(1, convert_size);
            if (!convert_buffer) {
                ALOGE("%s:sps_pps_buffer: alloc failed\n", __func__);
                goto fail;
            }
            if (opaque->avctx->codec_id == AV_CODEC_ID_H264) {
                if (0 != convert_sps_pps(opaque->avctx->extradata, opaque->avctx->extradata_size,
                                         convert_buffer, convert_size,
                                         &sps_pps_size, &opaque->nal_size)) {
                    ALOGE("%s:convert_sps_pps: failed\n", __func__);
                    goto fail;
                }
            } else {
                if (0 != convert_hevc_nal_units(opaque->avctx->extradata, opaque->avctx->extradata_size,
                                         convert_buffer, convert_size,
                                         &sps_pps_size, &opaque->nal_size)) {
                    ALOGE("%s:convert_hevc_nal_units: failed\n", __func__);
                    goto fail;
                }
            }
            SDL_AMediaFormat_setBuffer(opaque->input_aformat, "csd-0", convert_buffer, sps_pps_size);
            for(int i = 0; i < sps_pps_size; i+=4) {
                ALOGE("csd-0[%d]: %02x%02x%02x%02x\n", (int)sps_pps_size, (int)convert_buffer[i+0], (int)convert_buffer[i+1], (int)convert_buffer[i+2], (int)convert_buffer[i+3]);
            }
            free(convert_buffer);
#endif
        } else {
            // Codec specific data
            // SDL_AMediaFormat_setBuffer(opaque->aformat, "csd-0", opaque->avctx->extradata, opaque->avctx->extradata_size);
            ALOGE("csd-0: naked\n");
        }
    } else {
        ALOGE("no buffer(%d)\n", opaque->avctx->extradata_size);
    }

    rotate_degrees = ffp_get_video_rotate_degrees(ffp);
    if (ffp->mediacodec_auto_rotate &&
        rotate_degrees != 0 &&
        SDL_Android_GetApiLevel() >= IJK_API_21_LOLLIPOP) {
        ALOGI("amc: rotate in decoder: %d\n", rotate_degrees);
        opaque->frame_rotate_degrees = rotate_degrees;
        SDL_AMediaFormat_setInt32(opaque->input_aformat, "rotation-degrees", rotate_degrees);
        ffp_notify_msg2(ffp, FFP_MSG_VIDEO_ROTATION_CHANGED, 0);
    } else {
        ALOGI("amc: rotate notify: %d\n", rotate_degrees);
        ffp_notify_msg2(ffp, FFP_MSG_VIDEO_ROTATION_CHANGED, rotate_degrees);
    }

    ffpipeline_lock_surface(opaque->pipeline);
    ret = reconfigure_codec_l(env, node);
    ffpipeline_unlock_surface(opaque->pipeline);
    if (ret != 0)
        goto fail;

    ffp_set_video_codec_info(ffp, MEDIACODEC_MODULE_NAME, opaque->mcc.codec_name);

    opaque->off_buf_out = 0;
    if (opaque->n_buf_out) {
        int i;

        opaque->amc_buf_out = calloc(opaque->n_buf_out, sizeof(*opaque->amc_buf_out));
        assert(opaque->amc_buf_out != NULL);
        for (i = 0; i < opaque->n_buf_out; i++)
            opaque->amc_buf_out[i].pts = AV_NOPTS_VALUE;
    }

    SDL_SpeedSamplerReset(&opaque->sampler);
    return node;
fail:
    ffpipenode_free_p(&node);
    return NULL;
}