Esempio n. 1
0
int ff_mediacodec_dec_decode(AVCodecContext *avctx, MediaCodecDecContext *s,
                             AVFrame *frame, int *got_frame,
                             AVPacket *pkt)
{
    int ret;
    int offset = 0;
    int need_flushing = 0;
    uint8_t *data;
    ssize_t index;
    size_t size;
    FFAMediaCodec *codec = s->codec;
    FFAMediaCodecBufferInfo info = { 0 };

    int status;

    int64_t input_dequeue_timeout_us = INPUT_DEQUEUE_TIMEOUT_US;
    int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;

    if (pkt->size == 0) {
        need_flushing = 1;
    }

    if (s->flushing && need_flushing && s->queued_buffer_nb <= 0) {
        return 0;
    }

    while (offset < pkt->size || (need_flushing && !s->flushing)) {
        int size;

        index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
        if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
            break;
        }

        if (index < 0) {
            av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
            return AVERROR_EXTERNAL;
        }

        data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
        if (!data) {
            av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
            return AVERROR_EXTERNAL;
        }

        if (need_flushing) {
            uint32_t flags = ff_AMediaCodec_getBufferFlagEndOfStream(codec);

            av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");

            status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pkt->pts, flags);
            if (status < 0) {
                av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
                return AVERROR_EXTERNAL;
            }

            s->flushing = 1;
            break;
        } else {
            size = FFMIN(pkt->size - offset, size);

            memcpy(data, pkt->data + offset, size);
            offset += size;

            status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pkt->pts, 0);
            if (status < 0) {
                av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
                return AVERROR_EXTERNAL;
            }

            s->queued_buffer_nb++;
            if (s->queued_buffer_nb > s->queued_buffer_max)
                s->queued_buffer_max = s->queued_buffer_nb;
        }
    }

    if (s->flushing) {
        /* If the codec is flushing, block for a fair amount of time to
        * ensure we got a frame */
        output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
    } else if (s->dequeued_buffer_nb == 0) {
        /* If the codec hasn't produced any frames, do not block so we
         * can push data to it as fast as possible, and get the first
         * frame */
        output_dequeue_timeout_us = 0;
    }

    index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
    if (index >= 0) {
        int ret;

        if (!s->first_buffer++) {
            av_log(avctx, AV_LOG_DEBUG, "Got first buffer after %fms\n", (av_gettime() - s->first_buffer_at) / 1000);
        }

        av_log(avctx, AV_LOG_DEBUG, "Got output buffer %zd"
                " offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
                " flags=%" PRIu32 "\n", index, info.offset, info.size,
                info.presentationTimeUs, info.flags);

        data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
        if (!data) {
            av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
            return AVERROR_EXTERNAL;
        }

        if ((ret = mediacodec_wrap_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
            av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
            return ret;
        }

        *got_frame = 1;
        s->queued_buffer_nb--;
        s->dequeued_buffer_nb++;

    } else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
        char *format = NULL;

        if (s->format) {
            status = ff_AMediaFormat_delete(s->format);
            if (status < 0) {
                av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
            }
        }

        s->format = ff_AMediaCodec_getOutputFormat(codec);
        if (!s->format) {
            av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
            return AVERROR_EXTERNAL;
        }

        format = ff_AMediaFormat_toString(s->format);
        if (!format) {
            return AVERROR_EXTERNAL;
        }
        av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
        av_freep(&format);

        if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
            return ret;
        }

    } else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
        ff_AMediaCodec_cleanOutputBuffers(codec);
    } else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
        if (s->flushing) {
            av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
                                        "while flushing remaining frames, output will probably lack last %d frames\n",
                                        output_dequeue_timeout_us / 1000, s->queued_buffer_nb);
        } else {
            av_log(avctx, AV_LOG_DEBUG, "No output buffer available, try again later\n");
        }
    } else {
        av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
        return AVERROR_EXTERNAL;
    }

    return offset;
}
Esempio n. 2
0
int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s,
                           const char *mime, FFAMediaFormat *format)
{
    int ret = 0;
    int status;
    int profile;

    enum AVPixelFormat pix_fmt;
    static const enum AVPixelFormat pix_fmts[] = {
        AV_PIX_FMT_MEDIACODEC,
        AV_PIX_FMT_NONE,
    };

    s->first_buffer_at = av_gettime();
    s->refcount = 1;

    pix_fmt = ff_get_format(avctx, pix_fmts);
    if (pix_fmt == AV_PIX_FMT_MEDIACODEC) {
        AVMediaCodecContext *user_ctx = avctx->hwaccel_context;

        if (user_ctx && user_ctx->surface) {
            s->surface = ff_mediacodec_surface_ref(user_ctx->surface, avctx);
            av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
        }
    }

    profile = ff_AMediaCodecProfile_getProfileFromAVCodecContext(avctx);
    if (profile < 0) {
        av_log(avctx, AV_LOG_WARNING, "Unsupported or unknown profile");
    }

    s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, profile, 0, avctx);
    if (!s->codec_name) {
        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
    s->codec = ff_AMediaCodec_createCodecByName(s->codec_name);
    if (!s->codec) {
        av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    status = ff_AMediaCodec_configure(s->codec, format, s->surface, NULL, 0);
    if (status < 0) {
        char *desc = ff_AMediaFormat_toString(format);
        av_log(avctx, AV_LOG_ERROR,
            "Failed to configure codec (status = %d) with format %s\n",
            status, desc);
        av_freep(&desc);

        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    status = ff_AMediaCodec_start(s->codec);
    if (status < 0) {
        char *desc = ff_AMediaFormat_toString(format);
        av_log(avctx, AV_LOG_ERROR,
            "Failed to start codec (status = %d) with format %s\n",
            status, desc);
        av_freep(&desc);
        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    s->format = ff_AMediaCodec_getOutputFormat(s->codec);
    if (s->format) {
        if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
            av_log(avctx, AV_LOG_ERROR,
                "Failed to configure context\n");
            goto fail;
        }
    }

    av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);

    return 0;

fail:
    av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
    ff_mediacodec_dec_close(avctx, s);
    return ret;
}
Esempio n. 3
0
int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s,
                           const char *mime, FFAMediaFormat *format)
{
    int ret = 0;
    int status;

    s->first_buffer_at = av_gettime();

    s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, avctx->width, avctx->height, avctx);
    if (!s->codec_name) {
        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
    s->codec = ff_AMediaCodec_createCodecByName(s->codec_name);
    if (!s->codec) {
        av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    status = ff_AMediaCodec_configure(s->codec, format, NULL, NULL, 0);
    if (status < 0) {
        char *desc = ff_AMediaFormat_toString(format);
        av_log(avctx, AV_LOG_ERROR,
            "Failed to configure codec (status = %d) with format %s\n",
            status, desc);
        av_freep(&desc);

        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    status = ff_AMediaCodec_start(s->codec);
    if (status < 0) {
        char *desc = ff_AMediaFormat_toString(format);
        av_log(avctx, AV_LOG_ERROR,
            "Failed to start codec (status = %d) with format %s\n",
            status, desc);
        av_freep(&desc);
        ret = AVERROR_EXTERNAL;
        goto fail;
    }

    s->format = ff_AMediaCodec_getOutputFormat(s->codec);
    if (s->format) {
        if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
            av_log(avctx, AV_LOG_ERROR,
                "Failed to configure context\n");
            goto fail;
        }
    }

    av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);

    return 0;

fail:
    av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
    ff_mediacodec_dec_close(avctx, s);
    return ret;
}
Esempio n. 4
0
int ff_mediacodec_dec_receive(AVCodecContext *avctx, MediaCodecDecContext *s,
                              AVFrame *frame, bool wait)
{
    int ret;
    uint8_t *data;
    ssize_t index;
    size_t size;
    FFAMediaCodec *codec = s->codec;
    FFAMediaCodecBufferInfo info = { 0 };
    int status;
    int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;

    if (s->draining && s->eos) {
        return AVERROR_EOF;
    }

    if (s->draining) {
        /* If the codec is flushing or need to be flushed, block for a fair
         * amount of time to ensure we got a frame */
        output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
    } else if (s->output_buffer_count == 0 || !wait) {
        /* If the codec hasn't produced any frames, do not block so we
         * can push data to it as fast as possible, and get the first
         * frame */
        output_dequeue_timeout_us = 0;
    }

    index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
    if (index >= 0) {
        av_log(avctx, AV_LOG_TRACE, "Got output buffer %zd"
                " offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
                " flags=%" PRIu32 "\n", index, info.offset, info.size,
                info.presentationTimeUs, info.flags);

        if (info.flags & ff_AMediaCodec_getBufferFlagEndOfStream(codec)) {
            s->eos = 1;
        }

        if (info.size) {
            if (s->surface) {
                if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
                    av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
                    return ret;
                }
            } else {
                data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
                if (!data) {
                    av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
                    return AVERROR_EXTERNAL;
                }

                if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
                    av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
                    return ret;
                }
            }

            s->output_buffer_count++;
            return 0;
        } else {
            status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
            if (status < 0) {
                av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
            }
        }

    } else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
        char *format = NULL;

        if (s->format) {
            status = ff_AMediaFormat_delete(s->format);
            if (status < 0) {
                av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
            }
        }

        s->format = ff_AMediaCodec_getOutputFormat(codec);
        if (!s->format) {
            av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
            return AVERROR_EXTERNAL;
        }

        format = ff_AMediaFormat_toString(s->format);
        if (!format) {
            return AVERROR_EXTERNAL;
        }
        av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
        av_freep(&format);

        if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
            return ret;
        }

    } else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
        ff_AMediaCodec_cleanOutputBuffers(codec);
    } else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
        if (s->draining) {
            av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
                                        "while draining remaining frames, output will probably lack frames\n",
                                        output_dequeue_timeout_us / 1000);
        } else {
            av_log(avctx, AV_LOG_TRACE, "No output buffer available, try again later\n");
        }
    } else {
        av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
        return AVERROR_EXTERNAL;
    }

    return AVERROR(EAGAIN);
}