C++ SrsSharedPtrMessage::create方法代码示例

int SrsEdgeForwarder::proxy(SrsMessage* msg)
{
    int ret = ERROR_SUCCESS;
    
    if ((ret = send_error_code) != ERROR_SUCCESS) {
        srs_error("publish edge proxy thread send error, ret=%d", ret);
        return ret;
    }
    
    // the msg is auto free by source,
    // so we just ignore, or copy then send it.
    if (msg->size <= 0
        || msg->header.is_set_chunk_size()
        || msg->header.is_window_ackledgement_size()
        || msg->header.is_ackledgement()
    ) {
        return ret;
    }
    
    SrsSharedPtrMessage copy;
    if ((ret = copy.create(msg)) != ERROR_SUCCESS) {
        srs_error("initialize the msg failed. ret=%d", ret);
        return ret;
    }
    srs_verbose("initialize shared ptr msg success.");
    
    copy.header.stream_id = stream_id;
    if ((ret = queue->enqueue(copy.copy())) != ERROR_SUCCESS) {
        srs_error("enqueue edge publish msg failed. ret=%d", ret);
    }
    
    return ret;
}

// TODO: FIXME: source should use shared message instead.
int SrsDvr::on_meta_data(SrsOnMetaDataPacket* m)
{
    int ret = ERROR_SUCCESS;
    
    // the dvr for this stream is not actived.
    if (!actived) {
        return ret;
    }

    int size = 0;
    char* payload = NULL;
    if ((ret = m->encode(size, payload)) != ERROR_SUCCESS) {
        return ret;
    }

    SrsSharedPtrMessage metadata;
    if ((ret = metadata.create(NULL, payload, size)) != ERROR_SUCCESS) {
        return ret;
    }

    if ((ret = plan->on_meta_data(&metadata)) != ERROR_SUCCESS) {
        return ret;
    }
    
    return ret;
}

int srs_do_rtmp_create_msg(char type, u_int32_t timestamp, char* data, int size, int stream_id, SrsSharedPtrMessage** ppmsg)
{
    int ret = ERROR_SUCCESS;
    
    *ppmsg = NULL;
    SrsSharedPtrMessage* msg = NULL;
    
    if (type == SrsCodecFlvTagAudio) {
        SrsMessageHeader header;
        header.initialize_audio(size, timestamp, stream_id);
        
        msg = new SrsSharedPtrMessage();
        if ((ret = msg->create(&header, data, size)) != ERROR_SUCCESS) {
            srs_freep(msg);
            return ret;
        }
    } else if (type == SrsCodecFlvTagVideo) {
        SrsMessageHeader header;
        header.initialize_video(size, timestamp, stream_id);
        
        msg = new SrsSharedPtrMessage();
        if ((ret = msg->create(&header, data, size)) != ERROR_SUCCESS) {
            srs_freep(msg);
            return ret;
        }
    } else if (type == SrsCodecFlvTagScript) {
        SrsMessageHeader header;
        header.initialize_amf0_script(size, stream_id);
        
        msg = new SrsSharedPtrMessage();
        if ((ret = msg->create(&header, data, size)) != ERROR_SUCCESS) {
            srs_freep(msg);
            return ret;
        }
    } else {
        ret = ERROR_STREAM_CASTER_FLV_TAG;
        srs_error("rtmp unknown tag type=%#x. ret=%d", type, ret);
        return ret;
    }

    *ppmsg = msg;

    return ret;
}

int SrsSource::on_video(SrsMessage* __video)
{
    int ret = ERROR_SUCCESS;
    
    // convert __video to msg, user should not use __video again.
    // the payload is transfer to msg, and set to NULL in __video.
    SrsSharedPtrMessage msg;
    if ((ret = msg.create(__video)) != ERROR_SUCCESS) {
        srs_error("initialize the video failed. ret=%d", ret);
        return ret;
    }
    srs_verbose("initialize shared ptr video success.");
    
#ifdef SRS_AUTO_HLS
    if ((ret = hls->on_video(msg.copy())) != ERROR_SUCCESS) {
        srs_warn("hls process video message failed, ignore and disable hls. ret=%d", ret);
        
        // unpublish, ignore ret.
        hls->on_unpublish();
        
        // ignore.
        ret = ERROR_SUCCESS;
    }
#endif
    
#ifdef SRS_AUTO_DVR
    if ((ret = dvr->on_video(msg.copy())) != ERROR_SUCCESS) {
        srs_warn("dvr process video message failed, ignore and disable dvr. ret=%d", ret);
        
        // unpublish, ignore ret.
        dvr->on_unpublish();
        
        // ignore.
        ret = ERROR_SUCCESS;
    }
#endif
    
    // copy to all consumer
    if (true) {
        for (int i = 0; i < (int)consumers.size(); i++) {
            SrsConsumer* consumer = consumers.at(i);
            SrsSharedPtrMessage* copy = msg.copy();
            if ((ret = consumer->enqueue(copy, atc, sample_rate, frame_rate, jitter_algorithm)) != ERROR_SUCCESS) {
                srs_error("dispatch the video failed. ret=%d", ret);
                return ret;
            }
        }
        srs_info("dispatch video success.");
    }

    // copy to all forwarders.
    if (true) {
        std::vector<SrsForwarder*>::iterator it;
        for (it = forwarders.begin(); it != forwarders.end(); ++it) {
            SrsForwarder* forwarder = *it;
            if ((ret = forwarder->on_video(msg.copy())) != ERROR_SUCCESS) {
                srs_error("forwarder process video message failed. ret=%d", ret);
                return ret;
            }
        }
    }

    // cache the sequence header if h264
    // donot cache the sequence header to gop_cache, return here.
    if (SrsFlvCodec::video_is_sequence_header(msg.payload, msg.size)) {
        srs_freep(cache_sh_video);
        cache_sh_video = msg.copy();
        
        // parse detail audio codec
        SrsAvcAacCodec codec;
        SrsCodecSample sample;
        if ((ret = codec.video_avc_demux(msg.payload, msg.size, &sample)) != ERROR_SUCCESS) {
            srs_error("codec demux video failed. ret=%d", ret);
            return ret;
        }
        
        srs_trace("%dB video sh, "
            "codec(%d, profile=%d, level=%d, %dx%d, %dkbps, %dfps, %ds)",
            msg.header.payload_length, codec.video_codec_id,
            codec.avc_profile, codec.avc_level, codec.width, codec.height,
            codec.video_data_rate / 1000, codec.frame_rate, codec.duration);
        return ret;
    }

    // cache the last gop packets
    if ((ret = gop_cache->cache(&msg)) != ERROR_SUCCESS) {
        srs_error("gop cache msg failed. ret=%d", ret);
        return ret;
    }
    srs_verbose("cache gop success.");
    
    // if atc, update the sequence header to abs time.
    if (atc) {
        if (cache_sh_video) {
            cache_sh_video->header.timestamp = msg.header.timestamp;
        }
        if (cache_metadata) {
            cache_metadata->header.timestamp = msg.header.timestamp;
        }
    }
//.........这里部分代码省略.........

int SrsSource::on_audio(SrsCommonMessage* __audio)
{
    int ret = ERROR_SUCCESS;
    
    // convert __audio to msg, user should not use __audio again.
    // the payload is transfer to msg, and set to NULL in __audio.
    SrsSharedPtrMessage msg;
    if ((ret = msg.create(__audio)) != ERROR_SUCCESS) {
        srs_error("initialize the audio failed. ret=%d", ret);
        return ret;
    }
    srs_verbose("initialize shared ptr audio success.");
    
#ifdef SRS_AUTO_HLS
    if ((ret = hls->on_audio(&msg)) != ERROR_SUCCESS) {
        srs_warn("hls process audio message failed, ignore and disable hls. ret=%d", ret);
        
        // unpublish, ignore ret.
        hls->on_unpublish();
        
        // ignore.
        ret = ERROR_SUCCESS;
    }
#endif
    
#ifdef SRS_AUTO_DVR
    if ((ret = dvr->on_audio(&msg)) != ERROR_SUCCESS) {
        srs_warn("dvr process audio message failed, ignore and disable dvr. ret=%d", ret);
        
        // unpublish, ignore ret.
        dvr->on_unpublish();
        
        // ignore.
        ret = ERROR_SUCCESS;
    }
#endif
    
    // copy to all consumer
    int nb_consumers = (int)consumers.size();
    if (nb_consumers > 0) {
        SrsConsumer** pconsumer = consumers.data();
        for (int i = 0; i < nb_consumers; i++) {
            SrsConsumer* consumer = pconsumer[i];
            if ((ret = consumer->enqueue(&msg, atc, sample_rate, frame_rate, jitter_algorithm)) != ERROR_SUCCESS) {
                srs_error("dispatch the audio failed. ret=%d", ret);
                return ret;
            }
        }
        srs_info("dispatch audio success.");
    }
    
    // copy to all forwarders.
    if (true) {
        std::vector<SrsForwarder*>::iterator it;
        for (it = forwarders.begin(); it != forwarders.end(); ++it) {
            SrsForwarder* forwarder = *it;
            if ((ret = forwarder->on_audio(&msg)) != ERROR_SUCCESS) {
                srs_error("forwarder process audio message failed. ret=%d", ret);
                return ret;
            }
        }
    }

    // cache the sequence header if h264
    // donot cache the sequence header to gop_cache, return here.
    if (SrsFlvCodec::audio_is_sequence_header(msg.payload, msg.size)) {
        srs_freep(cache_sh_audio);
        cache_sh_audio = msg.copy();
        
        // parse detail audio codec
        SrsAvcAacCodec codec;
        SrsCodecSample sample;
        if ((ret = codec.audio_aac_demux(msg.payload, msg.size, &sample)) != ERROR_SUCCESS) {
            srs_error("codec demux audio failed. ret=%d", ret);
            return ret;
        }
        
        static int flv_sample_sizes[] = {8, 16, 0};
        static int flv_sound_types[] = {1, 2, 0};
        srs_trace("%dB audio sh, "
            "codec(%d, profile=%d, %dchannels, %dkbps, %dHZ), "
            "flv(%dbits, %dchannels, %dHZ)", 
            msg.size, codec.audio_codec_id,
            codec.aac_profile, codec.aac_channels, 
            codec.audio_data_rate / 1000, aac_sample_rates[codec.aac_sample_rate], 
            flv_sample_sizes[sample.sound_size], flv_sound_types[sample.sound_type], 
            flv_sample_rates[sample.sound_rate]);
        return ret;
    }
    
    // cache the last gop packets
    if ((ret = gop_cache->cache(&msg)) != ERROR_SUCCESS) {
        srs_error("shrink gop cache failed. ret=%d", ret);
        return ret;
    }
    srs_verbose("cache gop success.");
    
    // if atc, update the sequence header to abs time.
    if (atc) {
        if (cache_sh_audio) {
//.........这里部分代码省略.........