コード例 #1
0
/*****************************************************************************
 * Open: probe the decoder and return score
 *****************************************************************************
 * Tries to launch a decoder and return score so that the interface is able
 * to choose.
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t*)p_this;

    /* create a mutex */
    var_Create( p_this->p_libvlc, "qt_mutex", VLC_VAR_MUTEX );
    
    switch( p_dec->fmt_in.i_codec )
    {
        case VLC_FOURCC('S','V','Q','3'): /* Sorenson v3 */
    /*    case VLC_FOURCC('S','V','Q','1'):  Sorenson v1 
        case VLC_FOURCC('Z','y','G','o'):
        case VLC_FOURCC('V','P','3','1'):
        case VLC_FOURCC('3','I','V','1'): */
        case VLC_FOURCC('r','l','e',' '): /* QuickTime animation (RLE) */
        case VLC_FOURCC('r','p','z','a'): /* QuickTime Apple Video */
        case VLC_FOURCC('a','z','p','r'): /* QuickTime animation (RLE) */
#ifdef LOADER
            p_dec->p_sys = NULL;
            p_dec->pf_decode_video = DecodeVideo;
            return VLC_SUCCESS;
#else
            return OpenVideo( p_dec );
#endif

        case VLC_FOURCC('s','a','m','r'): /* 3GPP AMR audio */
        case VLC_FOURCC('m','p','4','a'): /* MPEG-4 audio */
        case VLC_FOURCC('Q','D','M','C'): /* QDesign */
        case VLC_FOURCC('Q','D','M','2'): /* QDesign* 2 */
        case VLC_FOURCC('Q','c','l','p'): /* Qualcomm Purevoice Codec */
        case VLC_FOURCC('Q','C','L','P'): /* Qualcomm Purevoice Codec */
        case VLC_FOURCC('M','A','C','3'): /* MACE3 audio decoder */
        case VLC_FOURCC('M','A','C','6'): /* MACE6 audio decoder */
        case VLC_FOURCC('d','v','c','a'): /* DV Audio */
        case VLC_FOURCC('s','o','w','t'): /* 16-bit Little Endian */
        case VLC_FOURCC('t','w','o','s'): /* 16-bit Big Endian */
        case VLC_FOURCC('a','l','a','w'): /* ALaw 2:1 */
        case VLC_FOURCC('u','l','a','w'): /* mu-Law 2:1 */
        case VLC_FOURCC('r','a','w',' '): /* 8-bit offset binaries */
        case VLC_FOURCC('f','l','3','2'): /* 32-bit Floating Point */
        case VLC_FOURCC('f','l','6','4'): /* 64-bit Floating Point */
        case VLC_FOURCC('i','n','2','4'): /* 24-bit Interger */
        case VLC_FOURCC('i','n','3','2'): /* 32-bit Integer */
        case 0x0011:                            /* DVI IMA */
        case 0x6D730002:                        /* Microsoft ADPCM-ACM */
        case 0x6D730011:                        /* DVI Intel IMAADPCM-ACM */
#ifdef LOADER
            p_dec->p_sys = NULL;
            p_dec->pf_decode_audio = DecodeAudio;
            return VLC_SUCCESS;
#else
            return OpenAudio( p_dec );
#endif

        default:
            return VLC_EGENERIC;
    }
}
コード例 #2
0
ファイル: movie.cpp プロジェクト: eighttails/PC6001VX
////////////////////////////////////////////////////////////////
// ビデオキャプチャ開始
//
// 引数:	filename	出力ファイル名
//			sw			スクリーンの幅
//			sh			スクリーンの高さ
//			vrate		フレームレート(fps)
//			arate		音声サンプリングレート(Hz)
//			bpp			色深度(16,24,32)
// 返値:	bool		true:成功 false:失敗
////////////////////////////////////////////////////////////////
bool AVI6::StartAVI( const char *filename, int sw, int sh, int vrate, int arate, int bpp )
{
#ifndef NOAVI
	cCritical::Lock();
	Init();
	
	ABPP = bpp;

	// オーディオバッファ作成
	ABuf.InitBuffer( arate / vrate * 2 );
	
	// 出力コンテキスト作成
	avformat_alloc_output_context2(&oc, NULL, NULL, filename);
	if (!oc) return false;

	fmt = oc->oformat;

	// 音声、ビデオストリームを作成
	if (fmt->video_codec != AV_CODEC_ID_NONE) {
		// ビデオコーデックにVP9を選択されると画像が崩れるため、暫定措置として強制的にVP8にする。
		fmt->video_codec = AV_CODEC_ID_VP8;
		AddStream(&video_st, oc, &video_codec, fmt->video_codec, sw, sh);
	}
	if (fmt->audio_codec != AV_CODEC_ID_NONE) {
		// オーディオコーデックにOPUSを選択されると落ちるため、暫定措置として強制的にVORBISにする。
		fmt->audio_codec = AV_CODEC_ID_VORBIS;
		AddStream(&audio_st, oc, &audio_codec, fmt->audio_codec, sw, sh);
	}

	OpenVideo(oc, video_codec, &video_st, opt);
	OpenAudio(oc, audio_codec, &audio_st, opt, arate);

	av_dump_format(oc, 0, filename, 1);

	int ret = 0;
	// ファイルを開く
	if (!(fmt->flags & AVFMT_NOFILE)) {
		ret = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE);
		if (0 > ret) {
			return false;
		}
	}

	// ストリームヘッダを書き込み
	ret = avformat_write_header(oc, &opt);
	if (0 > ret) {
		return false;
	}

	isAVI = true;
	cCritical::UnLock();
	return true;
#else
	return false;
#endif
}
コード例 #3
0
INT ReopenAudioDevice( DWORD Rate, INT OutputMode, INT Latency )
{
	ALock;
	debugf( NAME_Init, TEXT("Reopening audio device.") );
	CloseAudio();
	INT Result = OpenAudio( Rate, OutputMode, Latency );
	AUnlock;

	return Result;
}
コード例 #4
0
ファイル: AudioMuxer.cpp プロジェクト: czxttkl/HelloMAD
int CAudioMuxer::CreateOutputContext(const char* pFileName, int nBitrate, int nSampleRate, int nChannels)
{
	// avoid re-creating the context
	if (m_pCtx) {
		return E_HANDLED;
	}

	/* allocate the output media context */
	avformat_alloc_output_context2(&m_pCtx, NULL, NULL, pFileName);
	if (!m_pCtx) {
		Log("Could not deduce output format from file extension: using MPEG.\n");
		avformat_alloc_output_context2(&m_pCtx, NULL, "mpeg", pFileName);
		if (!m_pCtx) {
			return E_FAIL;
		}
	}
	m_pFmt = m_pCtx->oformat;

	// set the input bitrate, sample rate and channels
	m_nBitrate    = nBitrate;
	m_nSampleRate = nSampleRate;
	m_nChannels   = nChannels;

	/* Add the audio and video streams using the default format codecs
	 * and initialize the codecs. */
	AVCodec *pAudioCodec;
	m_pAudioStream = NULL;

	AVCodecID eCodecID = m_pFmt->audio_codec;
	if (eCodecID != AV_CODEC_ID_NONE) {
		m_pAudioStream = AddAudioStream(&pAudioCodec, eCodecID);
	}

	/* Now that all the parameters are set, we can open the audio and
	 * video codecs and allocate the necessary encode buffers. */
	if (m_pAudioStream) {
		OpenAudio(pAudioCodec);
	}

	/* open the output file, if needed */
	if (!(m_pFmt->flags & AVFMT_NOFILE)) {
		if (avio_open(&m_pCtx->pb, pFileName, AVIO_FLAG_WRITE) < 0) {
			Log("Could not open '%s'\n", pFileName);
			return E_IO;
		}
	}

	return S_OK;
}
コード例 #5
0
ファイル: sounds.c プロジェクト: NSYXin/cdogs-sdl
void SoundInitialize(SoundDevice *device, const char *path)
{
	memset(device, 0, sizeof *device);
	if (OpenAudio(44100, AUDIO_S16, 2, 1024) != 0)
	{
		return;
	}

	device->channels = 64;
	SoundReconfigure(device);

	CArrayInit(&device->sounds, sizeof(SoundData));
	CArrayInit(&device->customSounds, sizeof(SoundData));
	SoundLoadDirImpl(device, path, NULL);

	// Look for commonly used sounds to set our pointers
	CArrayInit(&device->footstepSounds, sizeof(Mix_Chunk *));
	for (int i = 0;; i++)
	{
		char buf[CDOGS_FILENAME_MAX];
		sprintf(buf, "footsteps/%d", i);
		Mix_Chunk *s = StrSound(buf);
		if (s == NULL) break;
		CArrayPushBack(&device->footstepSounds, &s);
	}
	device->slideSound = StrSound("slide");
	device->healthSound = StrSound("health");
	device->clickSound = StrSound("click");
	device->keySound = StrSound("key");
	device->wreckSound = StrSound("bang");
	CArrayInit(&device->screamSounds, sizeof(Mix_Chunk *));
	for (int i = 0;; i++)
	{
		char buf[CDOGS_FILENAME_MAX];
		sprintf(buf, "aargh%d", i);
		Mix_Chunk *scream = StrSound(buf);
		if (scream == NULL)
		{
			break;
		}
		CArrayPushBack(&device->screamSounds, &scream);
	}
}
コード例 #6
0
ファイル: avformatwriter.cpp プロジェクト: StefanRoss/mythtv
bool AVFormatWriter::Init(void)
{
    if (m_videoOutBuf)
        delete [] m_videoOutBuf;

    if (m_width && m_height)
        m_videoOutBuf = new unsigned char[m_width * m_height * 2 + 10];

    AVOutputFormat *fmt = av_guess_format(m_container.toAscii().constData(),
                                          NULL, NULL);
    if (!fmt)
    {
        LOG(VB_RECORD, LOG_ERR, LOC +
            QString("Init(): Unable to guess AVOutputFormat from container %1")
                    .arg(m_container));
        return false;
    }

    m_fmt = *fmt;

    if (m_width && m_height)
    {
        m_avVideoCodec = avcodec_find_encoder_by_name(
            m_videoCodec.toAscii().constData());
        if (!m_avVideoCodec)
        {
            LOG(VB_RECORD, LOG_ERR, LOC +
                QString("Init(): Unable to find video codec %1").arg(m_videoCodec));
            return false;
        }

        m_fmt.video_codec = m_avVideoCodec->id;
    }
    else
        m_fmt.video_codec = CODEC_ID_NONE;

    m_avAudioCodec = avcodec_find_encoder_by_name(
        m_audioCodec.toAscii().constData());
    if (!m_avAudioCodec)
    {
        LOG(VB_RECORD, LOG_ERR, LOC +
            QString("Init(): Unable to find audio codec %1").arg(m_audioCodec));
        return false;
    }

    m_fmt.audio_codec = m_avAudioCodec->id;

    m_ctx = avformat_alloc_context();
    if (!m_ctx)
    {
        LOG(VB_RECORD, LOG_ERR,
            LOC + "Init(): Unable to allocate AVFormatContext");
        return false;
    }

    m_ctx->oformat = &m_fmt;

    if (m_container == "mpegts")
        m_ctx->packet_size = 2324;

    snprintf(m_ctx->filename, sizeof(m_ctx->filename), "%s",
             m_filename.toAscii().constData());

    if (m_fmt.video_codec != CODEC_ID_NONE)
        m_videoStream = AddVideoStream();
    if (m_fmt.audio_codec != CODEC_ID_NONE)
        m_audioStream = AddAudioStream();

    m_pkt = new AVPacket;
    if (!m_pkt)
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "Init(): error allocating AVPacket");
        return false;
    }

    if (av_set_parameters(m_ctx, NULL) < 0)
    {
        LOG(VB_RECORD, LOG_ERR, "Init(): Invalid output format parameters");
        return false;
    }

    if ((m_videoStream) && (!OpenVideo()))
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "Init(): OpenVideo() failed");
        return false;
    }

    if ((m_audioStream) && (!OpenAudio()))
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "Init(): OpenAudio() failed");
        return false;
    }

    return true;
}
コード例 #7
0
ファイル: audio_controller.cpp プロジェクト: sthenc/Aegisub
void AudioController::OnAudioProviderChanged()
{
	if (IsAudioOpen())
		// url is cloned because CloseAudio clears it and OpenAudio takes a const reference
		OpenAudio(audio_url.Clone());
}
コード例 #8
0
ファイル: quicktime.c プロジェクト: shanewfx/vlc-arib
/*****************************************************************************
 * DecodeAudio:
 *****************************************************************************/
static aout_buffer_t *DecodeAudio( decoder_t *p_dec, block_t **pp_block )
{
    decoder_sys_t *p_sys = p_dec->p_sys;

    block_t     *p_block;
    int         i_error;

#ifdef LOADER
    /* We must do open and close in the same thread (unless we do
     * Setup_LDT_Keeper in the main thread before all others */
    if( p_sys == NULL )
    {
        if( OpenAudio( p_dec ) )
        {
            /* Fatal */
            p_dec->b_error = true;
            return NULL;
        }

        p_sys = p_dec->p_sys;
    }
#endif

    if( pp_block == NULL || *pp_block == NULL )
    {
        return NULL;
    }
    p_block = *pp_block;

    if( p_sys->i_out_frames > 0 && p_sys->i_out >= p_sys->i_out_frames )
    {
        /* Ask new data */
        p_sys->i_out = 0;
        p_sys->i_out_frames = 0;

        *pp_block = NULL;
        return NULL;
    }

    if( p_sys->i_out_frames <= 0 )
    {
        p_sys->pts = p_block->i_pts;

        mtime_t i_display_date = 0;
        if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
            i_display_date = decoder_GetDisplayDate( p_dec, p_block->i_pts );

        if( i_display_date > 0 && i_display_date < mdate() )
        {
            block_Release( p_block );
            *pp_block = NULL;
            return NULL;
        }

        /* Append data */
        if( p_sys->i_buffer_size < p_sys->i_buffer + p_block->i_buffer )
        {
            p_sys->i_buffer_size = p_sys->i_buffer + p_block->i_buffer + 1024;
            p_sys->p_buffer = realloc( p_sys->p_buffer, p_sys->i_buffer_size );
        }
        memcpy( &p_sys->p_buffer[p_sys->i_buffer], p_block->p_buffer,
                p_block->i_buffer );
        p_sys->i_buffer += p_block->i_buffer;

        if( p_sys->i_buffer > p_sys->InFrameSize )
        {
            int i_frames = p_sys->i_buffer / p_sys->InFrameSize;
            unsigned long i_out_frames, i_out_bytes;
            vlc_mutex_lock( &qt_mutex );

            i_error = p_sys->SoundConverterConvertBuffer( p_sys->myConverter,
                                                          p_sys->p_buffer,
                                                          i_frames,
                                                          p_sys->out_buffer,
                                                          &i_out_frames,
                                                          &i_out_bytes );
            vlc_mutex_unlock( &qt_mutex );

            /*
            msg_Dbg( p_dec, "decoded %d frames -> %ld frames (error=%d)",
                     i_frames, i_out_frames, i_error );

            msg_Dbg( p_dec, "decoded %ld frames = %ld bytes",
                     i_out_frames, i_out_bytes );
            */

            p_sys->i_buffer -= i_frames * p_sys->InFrameSize;
            if( p_sys->i_buffer > 0 )
            {
                memmove( &p_sys->p_buffer[0],
                         &p_sys->p_buffer[i_frames * p_sys->InFrameSize],
                         p_sys->i_buffer );
            }

            if( p_sys->pts != 0 &&
                p_sys->pts != date_Get( &p_sys->date ) )
            {
                date_Set( &p_sys->date, p_sys->pts );
            }
            else if( !date_Get( &p_sys->date ) )
            {
                return NULL;
            }

            if( !i_error && i_out_frames > 0 )
            {
                /* we have others samples */
                p_sys->i_out_frames = i_out_frames;
                p_sys->i_out = 0;
            }
        }
    }

    if( p_sys->i_out < p_sys->i_out_frames )
    {
        aout_buffer_t *p_out;
        int  i_frames = __MIN( p_sys->i_out_frames - p_sys->i_out, 1000 );

        p_out = decoder_NewAudioBuffer( p_dec, i_frames );

        if( p_out )
        {
            p_out->i_pts = date_Get( &p_sys->date );
            p_out->i_length = date_Increment( &p_sys->date, i_frames )
                              - p_out->i_pts;

            memcpy( p_out->p_buffer,
                    &p_sys->out_buffer[2 * p_sys->i_out * p_dec->fmt_out.audio.i_channels],
                    p_out->i_buffer );

            p_sys->i_out += i_frames;
        }
        return p_out;
    }

    return NULL;
}
コード例 #9
0
ファイル: quicktime.c プロジェクト: shanewfx/vlc-arib
/*****************************************************************************
 * Open: probe the decoder and return score
 *****************************************************************************
 * Tries to launch a decoder and return score so that the interface is able
 * to choose.
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t*)p_this;

#ifdef __APPLE__
    OSErr err;
    SInt32 qtVersion, macosversion;

    err = Gestalt(gestaltQuickTimeVersion, &qtVersion);
    err = Gestalt(gestaltSystemVersion, &macosversion);
#ifndef NDEBUG
    msg_Dbg( p_this, "Mac OS version is %#lx", macosversion );
    msg_Dbg( p_this, "Quicktime version is %#lx", qtVersion );
#endif

    /* bail out. This plugin is soo Carbon, that it can't be used on 10.5 at all */
    msg_Info( p_dec, "Your Mac OS version is to new to use this plugin for anything." );
    return VLC_EGENERIC;
#endif

    switch( p_dec->fmt_in.i_codec )
    {
        case VLC_CODEC_H264:
        case VLC_CODEC_CINEPAK:
        case VLC_FOURCC('I','V','4','1'): /* Indeo Video IV */
        case VLC_FOURCC('i','v','4','1'): /* dto. */
#ifdef __APPLE__
        case VLC_FOURCC('p','x','l','t'): /* Pixlet */
#endif
        case VLC_CODEC_DV:
        case VLC_CODEC_SVQ3: /* Sorenson v3 */
    /*    case VLC_CODEC_SVQ1:  Sorenson v1
        case VLC_FOURCC('Z','y','G','o'):
        case VLC_FOURCC('V','P','3','1'):
        case VLC_FOURCC('3','I','V','1'): */
        case VLC_CODEC_QTRLE:
        case VLC_CODEC_RPZA:
#ifdef LOADER
        p_dec->p_sys = NULL;
        p_dec->pf_decode_video = DecodeVideo;
        p_dec->fmt_out.i_cat = VIDEO_ES;
        return VLC_SUCCESS;
#else
        return OpenVideo( p_dec );
#endif

#ifdef __APPLE__
        case VLC_FOURCC('I','L','B','C'): /* iLBC */
            if ((err != noErr) || (qtVersion < 0x07500000)) 
                return VLC_EGENERIC;
        case VLC_FOURCC('i','l','b','c'): /* iLBC */
            if ((err != noErr) || (qtVersion < 0x07500000)) 
                return VLC_EGENERIC;
#endif
        case VLC_CODEC_AMR_NB: /* 3GPP AMR audio */
        case VLC_FOURCC('s','a','m','b'): /* 3GPP AMR-WB audio */
        case VLC_CODEC_MP4A: /* MPEG-4 audio */
        case VLC_FOURCC('Q','D','M','C'): /* QDesign */
        case VLC_CODEC_QDM2: /* QDesign* 2 */
        case VLC_CODEC_QCELP: /* Qualcomm Purevoice Codec */
        case VLC_FOURCC('Q','C','L','P'): /* Qualcomm Purevoice Codec */
        case VLC_CODEC_MACE3: /* MACE3 audio decoder */
        case VLC_CODEC_MACE6: /* MACE6 audio decoder */
        case VLC_FOURCC('d','v','c','a'): /* DV Audio */
        case VLC_FOURCC('s','o','w','t'): /* 16-bit Little Endian */
        case VLC_FOURCC('t','w','o','s'): /* 16-bit Big Endian */
        case VLC_CODEC_ALAW: /* ALaw 2:1 */
        case VLC_FOURCC('u','l','a','w'): /* mu-Law 2:1 */
        case VLC_FOURCC('r','a','w',' '): /* 8-bit offset binaries */
        case VLC_CODEC_FL32: /* 32-bit Floating Point */
        case VLC_CODEC_FL64: /* 64-bit Floating Point */
        case VLC_FOURCC('i','n','2','4'): /* 24-bit Interger */
        case VLC_FOURCC('i','n','3','2'): /* 32-bit Integer */
        case 0x0011:                            /* DVI IMA */
        case 0x6D730002:                        /* Microsoft ADPCM-ACM */
        case 0x6D730011:                        /* DVI Intel IMAADPCM-ACM */
#ifdef LOADER
        p_dec->p_sys = NULL;
        p_dec->pf_decode_audio = DecodeAudio;
        p_dec->fmt_out.i_cat = AUDIO_ES;
        return VLC_SUCCESS;
#else
        return OpenAudio( p_dec );
#endif

        default:
            return VLC_EGENERIC;
    }
}
コード例 #10
0
ファイル: avformatwriter.cpp プロジェクト: kmdewaal/mythtv
bool AVFormatWriter::Init(void)
{
    AVOutputFormat *fmt = av_guess_format(m_container.toLatin1().constData(),
                                          NULL, NULL);
    if (!fmt)
    {
        LOG(VB_RECORD, LOG_ERR, LOC +
            QString("Init(): Unable to guess AVOutputFormat from container %1")
                    .arg(m_container));
        return false;
    }

    m_fmt = *fmt;

    if (m_width && m_height)
    {
        m_avVideoCodec = avcodec_find_encoder_by_name(
            m_videoCodec.toLatin1().constData());
        if (!m_avVideoCodec)
        {
            LOG(VB_RECORD, LOG_ERR, LOC +
                QString("Init(): Unable to find video codec %1").arg(m_videoCodec));
            return false;
        }

        m_fmt.video_codec = m_avVideoCodec->id;
    }
    else
        m_fmt.video_codec = AV_CODEC_ID_NONE;

    m_avAudioCodec = avcodec_find_encoder_by_name(
        m_audioCodec.toLatin1().constData());
    if (!m_avAudioCodec)
    {
        LOG(VB_RECORD, LOG_ERR, LOC +
            QString("Init(): Unable to find audio codec %1").arg(m_audioCodec));
        return false;
    }

    m_fmt.audio_codec = m_avAudioCodec->id;

    m_ctx = avformat_alloc_context();
    if (!m_ctx)
    {
        LOG(VB_RECORD, LOG_ERR,
            LOC + "Init(): Unable to allocate AVFormatContext");
        return false;
    }

    m_ctx->oformat = &m_fmt;

    if (m_container == "mpegts")
        m_ctx->packet_size = 2324;

    snprintf(m_ctx->filename, sizeof(m_ctx->filename), "%s",
             m_filename.toLatin1().constData());

    if (m_fmt.video_codec != AV_CODEC_ID_NONE)
        m_videoStream = AddVideoStream();
    if (m_fmt.audio_codec != AV_CODEC_ID_NONE)
        m_audioStream = AddAudioStream();

    if ((m_videoStream) && (!OpenVideo()))
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "Init(): OpenVideo() failed");
        return false;
    }

    if ((m_audioStream) && (!OpenAudio()))
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "Init(): OpenAudio() failed");
        return false;
    }

    return true;
}
コード例 #11
0
/*****************************************************************************
 * DecodeAudio:
 *****************************************************************************/
static aout_buffer_t *DecodeAudio( decoder_t *p_dec, block_t **pp_block )
{
    decoder_sys_t *p_sys = p_dec->p_sys;

    vlc_value_t lockval;
    block_t     *p_block;
    int         i_error;

#ifdef LOADER
    /* We must do open and close in the same thread (unless we do
     * Setup_LDT_Keeper in the main thread before all others */
    if( p_sys == NULL )
    {
        if( OpenAudio( p_dec ) )
        {
            /* Fatal */
            p_dec->b_error = VLC_TRUE;
            return NULL;
        }

        p_sys = p_dec->p_sys;
    }
#endif

    if( pp_block == NULL || *pp_block == NULL )
    {
        return NULL;
    }
    p_block = *pp_block;

    if( p_sys->i_out_frames > 0 && p_sys->i_out >= p_sys->i_out_frames )
    {
        /* Ask new data */
        p_sys->i_out = 0;
        p_sys->i_out_frames = 0;

        *pp_block = NULL;
        return NULL;
    }

    if( p_sys->i_out_frames <= 0 )
    {
        if( ( p_sys->pts = p_block->i_pts ) < mdate() )
        {
            block_Release( p_block );
            *pp_block = NULL;
            return NULL;
        }

        /* Append data */
        if( p_sys->i_buffer_size < p_sys->i_buffer + p_block->i_buffer )
        {
            p_sys->i_buffer_size = p_sys->i_buffer + p_block->i_buffer + 1024;
            p_sys->p_buffer = realloc( p_sys->p_buffer, p_sys->i_buffer_size );
        }
        memcpy( &p_sys->p_buffer[p_sys->i_buffer], p_block->p_buffer,
                p_block->i_buffer );
        p_sys->i_buffer += p_block->i_buffer;

        if( p_sys->i_buffer > p_sys->InFrameSize )
        {
            int i_frames = p_sys->i_buffer / p_sys->InFrameSize;
            unsigned long i_out_frames, i_out_bytes;

            var_Get( p_dec->p_libvlc, "qt_mutex", &lockval );
            vlc_mutex_lock( lockval.p_address );
            i_error = p_sys->SoundConverterConvertBuffer( p_sys->myConverter,
                                                          p_sys->p_buffer,
                                                          i_frames,
                                                          p_sys->out_buffer,
                                                          &i_out_frames,
                                                          &i_out_bytes );
            vlc_mutex_unlock( lockval.p_address );

            /*
            msg_Dbg( p_dec, "decoded %d frames -> %ld frames (error=%d)",
                     i_frames, i_out_frames, i_error );

            msg_Dbg( p_dec, "decoded %ld frames = %ld bytes",
                     i_out_frames, i_out_bytes );
            */

            p_sys->i_buffer -= i_frames * p_sys->InFrameSize;
            if( p_sys->i_buffer > 0 )
            {
                memmove( &p_sys->p_buffer[0],
                         &p_sys->p_buffer[i_frames * p_sys->InFrameSize],
                         p_sys->i_buffer );
            }

            if( p_sys->pts != 0 &&
                p_sys->pts != aout_DateGet( &p_sys->date ) )
            {
                aout_DateSet( &p_sys->date, p_sys->pts );
            }
            else if( !aout_DateGet( &p_sys->date ) )
            {
                return NULL;
            }

            if( !i_error && i_out_frames > 0 )
            {
                /* we have others samples */
                p_sys->i_out_frames = i_out_frames;
                p_sys->i_out = 0;
            }
        }
    }

    if( p_sys->i_out < p_sys->i_out_frames )
    {
        aout_buffer_t *p_out;
        int  i_frames = __MIN( p_sys->i_out_frames - p_sys->i_out, 1000 );

        p_out = p_dec->pf_aout_buffer_new( p_dec, i_frames );

        if( p_out )
        {
            p_out->start_date = aout_DateGet( &p_sys->date );
            p_out->end_date = aout_DateIncrement( &p_sys->date, i_frames );

            memcpy( p_out->p_buffer,
                    &p_sys->out_buffer[2 * p_sys->i_out * p_dec->fmt_out.audio.i_channels],
                    p_out->i_nb_bytes );

            p_sys->i_out += i_frames;
        }
        return p_out;
    }

    return NULL;
}
コード例 #12
0
ファイル: BlackberryMain.cpp プロジェクト: carlos-wong/native
	BlackberryAudio()
	{
		paused = false;
		OpenAudio();
	}
コード例 #13
0
ファイル: voiceCallTest.c プロジェクト: tegoo/legato-af
//--------------------------------------------------------------------------------------------------
static void MyCallEventHandler
(
    le_voicecall_CallRef_t reference,
    const char* identifier,
    le_voicecall_Event_t event,
    void* contextPtr
)
{
    LE_INFO("MyCallEventHandler DestNumber=> %s", identifier);
    char eventString[EVENT_STRING_LEN];

    switch(event)
    {
        case LE_VOICECALL_EVENT_CONNECTED:
        {
            snprintf(eventString, EVENT_STRING_LEN, "%s", "LE_VOICECALL_EVENT_CONNECTED");
            OpenAudio(reference);
        }
        break;
        case LE_VOICECALL_EVENT_ALERTING:
        {
            snprintf(eventString, EVENT_STRING_LEN, "%s", "LE_VOICECALL_EVENT_ALERTING");
        }
        break;
        case LE_VOICECALL_EVENT_BUSY:
        {
            snprintf(eventString, EVENT_STRING_LEN, "%s", "LE_VOICECALL_EVENT_BUSY");
        }
        break;
        case LE_VOICECALL_EVENT_INCOMING:
        {
            snprintf(eventString, EVENT_STRING_LEN, "%s", "LE_VOICECALL_EVENT_INCOMING");
            RequestCallRef = reference;
        }
        break;
        case LE_VOICECALL_EVENT_OFFLINE:
        {
            snprintf(eventString, EVENT_STRING_LEN, "%s", "LE_VOICECALL_EVENT_OFFLINE");
        }
        break;
        case LE_VOICECALL_EVENT_RESOURCE_BUSY:
        {
            snprintf(eventString, EVENT_STRING_LEN, "%s", "LE_VOICECALL_EVENT_RESOURCE_BUSY");
        }
        break;
        case LE_VOICECALL_EVENT_TERMINATED:
        {
            le_voicecall_TerminationReason_t reason;
            le_result_t result;

            LE_DEBUG("LE_VOICECALL_EVENT_TERMINATED audio Disconnecting");
            DisconnectAllAudio(reference);

            result = le_voicecall_GetTerminationReason(reference, &reason);
            if (result == LE_OK)
            {
                char reasonstring[REASON_STRING_LEN];
                switch(reason)
                {
                    case LE_VOICECALL_TERM_BAD_ADDRESS:
                    {
                        snprintf(reasonstring, REASON_STRING_LEN, "%s", "LE_VOICECALL_TERM_BAD_ADDRESS");
                    }
                    break;
                    case LE_VOICECALL_TERM_BUSY:
                    {
                        snprintf(reasonstring, REASON_STRING_LEN, "%s", "LE_VOICECALL_TERM_BUSY");
                    }
                    break;
                    case LE_VOICECALL_TERM_LOCAL_ENDED:
                    {
                        snprintf(reasonstring, REASON_STRING_LEN, "%s", "LE_VOICECALL_TERM_LOCAL_ENDED");
                    }
                    break;
                    case LE_VOICECALL_TERM_NETWORK_FAIL:
                    {
                        snprintf(reasonstring, REASON_STRING_LEN, "%s", "LE_VOICECALL_TERM_NETWORK_FAIL");
                    }
                    break;
                    case LE_VOICECALL_TERM_REMOTE_ENDED:
                    {
                        snprintf(reasonstring, REASON_STRING_LEN, "%s", "LE_VOICECALL_TERM_REMOTE_ENDED");
                    }
                    break;
                    case LE_VOICECALL_TERM_UNDEFINED:
                    {
                        snprintf(reasonstring, REASON_STRING_LEN, "%s", "LE_VOICECALL_TERM_UNDEFINED");
                    }
                    break;
                    default:
                    {
                        snprintf(reasonstring, REASON_STRING_LEN, "%s", "reason not defined");
                    }
                    break;

                        break;
                }
                snprintf(eventString, EVENT_STRING_LEN, "%s reason =%d => %s", "LE_VOICECALL_EVENT_TERMINATED", reason, reasonstring);
            }
            else
            {
                snprintf(eventString, EVENT_STRING_LEN, "%s reason not found", "LE_VOICECALL_EVENT_TERMINATED");
            }
            le_voicecall_Delete(reference);
        }
        break;
        default:
        {
            snprintf(eventString,EVENT_STRING_LEN,"udefined");
            LE_INFO("Unknown event");
        }
        break;
    }

    fprintf(stderr,"\n=>Destination %s, Event %d => %s\n\n", identifier ,event, eventString);
    LE_INFO("MyCallEventHandler Event state %d, %s", event,eventString);

    return;
}
コード例 #14
0
ファイル: sound_sdl.cpp プロジェクト: EEmmanuel7/wxWidgets
bool wxSoundBackendSDL::Play(wxSoundData *data, unsigned flags,
                             volatile wxSoundPlaybackStatus *WXUNUSED(status))
{
    Stop();

    int format;
    if (data->m_bitsPerSample == 8)
        format = AUDIO_U8;
    else if (data->m_bitsPerSample == 16)
        format = AUDIO_S16LSB;
    else
        return false;

    bool needsOpen = true;
    if (m_audioOpen)
    {
        if (format == m_spec.format &&
            m_spec.freq == (int)data->m_samplingRate &&
            m_spec.channels == data->m_channels)
        {
            needsOpen = false;
        }
        else
        {
            CloseAudio();
        }
    }

    if (needsOpen)
    {
        m_spec.format = format;
        m_spec.freq = data->m_samplingRate;
        m_spec.channels = data->m_channels;
        if (!OpenAudio())
            return false;
    }

    SDL_LockAudio();
    wxLogTrace(wxT("sound"), wxT("playing new sound"));
    m_playing = true;
    m_pos = 0;
    m_loop = (flags & wxSOUND_LOOP);
    m_data = data;
    data->IncRef();
    SDL_UnlockAudio();

    SDL_PauseAudio(0);

    // wait until playback finishes if called in sync mode:
    if (!(flags & wxSOUND_ASYNC))
    {
        wxLogTrace(wxT("sound"), wxT("waiting for sample to finish"));
        while (m_playing && m_data == data)
        {
#if wxUSE_THREADS
            // give the playback thread a chance to add event to pending
            // events queue, release GUI lock temporarily:
            if (wxThread::IsMain())
                wxMutexGuiLeave();
#endif
            wxMilliSleep(10);
#if wxUSE_THREADS
            if (wxThread::IsMain())
                wxMutexGuiEnter();
#endif
        }
        wxLogTrace(wxT("sound"), wxT("sample finished"));
    }

    return true;
}