C++ (Cpp) pjmedia_convert_channel_1tonの例

コード例 #1

ファイル: stereo_port.c プロジェクト: AmoebaLabs/pjsip

static pj_status_t stereo_get_frame(pjmedia_port *this_port, 
				    pjmedia_frame *frame)
{
    struct stereo_port *sport = (struct stereo_port*) this_port;
    const pjmedia_audio_format_detail *s_afd, *dn_afd;
    pjmedia_frame tmp_frame;
    pj_status_t status;

    /* Return silence if we don't have downstream port */
    if (sport->dn_port == NULL) {
	pj_bzero(frame->buf, frame->size);
	return PJ_SUCCESS;
    }

    s_afd = pjmedia_format_get_audio_format_detail(&this_port->info.fmt, 1);
    dn_afd = pjmedia_format_get_audio_format_detail(&sport->dn_port->info.fmt,
						    1);

    tmp_frame.buf = sport->get_buf? sport->get_buf : frame->buf;
    tmp_frame.size = PJMEDIA_PIA_AVG_FSZ(&sport->dn_port->info);
    tmp_frame.timestamp.u64 = frame->timestamp.u64;
    tmp_frame.type = PJMEDIA_FRAME_TYPE_AUDIO;

    status = pjmedia_port_get_frame( sport->dn_port, &tmp_frame);
    if (status != PJ_SUCCESS)
	return status;

    if (tmp_frame.type != PJMEDIA_FRAME_TYPE_AUDIO) {
	frame->type = tmp_frame.type;
	frame->timestamp = tmp_frame.timestamp;
	frame->size = tmp_frame.size;
	if (tmp_frame.size && tmp_frame.buf == sport->get_buf)
	    pj_memcpy(frame->buf, tmp_frame.buf, tmp_frame.size);
	return PJ_SUCCESS;
    }

    if (s_afd->channel_count == 1) {
	pjmedia_convert_channel_nto1((pj_int16_t*)frame->buf, 
				     (const pj_int16_t*)tmp_frame.buf,
				     dn_afd->channel_count,
				     PJMEDIA_AFD_SPF(s_afd),
				     (sport->options & PJMEDIA_STEREO_MIX), 0);
    } else {
	pjmedia_convert_channel_1ton((pj_int16_t*)frame->buf, 
				     (const pj_int16_t*)tmp_frame.buf,
				     s_afd->channel_count,
				     PJMEDIA_AFD_SPF(dn_afd),
				     sport->options);
    }

    frame->size = PJMEDIA_AFD_AVG_FSZ(s_afd);
    frame->type = PJMEDIA_FRAME_TYPE_AUDIO;

    return PJ_SUCCESS;
}

コード例 #2

ファイル: stereo_port.c プロジェクト: svn2github/pjproject

static pj_status_t stereo_get_frame(pjmedia_port *this_port, 
				    pjmedia_frame *frame)
{
    struct stereo_port *sport = (struct stereo_port*) this_port;
    pjmedia_frame tmp_frame;
    pj_status_t status;

    /* Return silence if we don't have downstream port */
    if (sport->dn_port == NULL) {
	pj_bzero(frame->buf, frame->size);
	return PJ_SUCCESS;
    }

    tmp_frame.buf = sport->get_buf? sport->get_buf : frame->buf;
    tmp_frame.size = sport->dn_port->info.bytes_per_frame;
    tmp_frame.timestamp.u64 = frame->timestamp.u64;
    tmp_frame.type = PJMEDIA_FRAME_TYPE_AUDIO;

    status = pjmedia_port_get_frame( sport->dn_port, &tmp_frame);
    if (status != PJ_SUCCESS)
	return status;

    if (tmp_frame.type != PJMEDIA_FRAME_TYPE_AUDIO) {
	frame->type = tmp_frame.type;
	frame->timestamp = tmp_frame.timestamp;
	frame->size = tmp_frame.size;
	if (tmp_frame.size && tmp_frame.buf == sport->get_buf)
	    pj_memcpy(frame->buf, tmp_frame.buf, tmp_frame.size);
	return PJ_SUCCESS;
    }

    if (sport->base.info.channel_count == 1) {
	pjmedia_convert_channel_nto1((pj_int16_t*)frame->buf, 
				     (const pj_int16_t*)tmp_frame.buf,
				     sport->dn_port->info.channel_count, 
				     sport->dn_port->info.samples_per_frame, 
				     (sport->options & PJMEDIA_STEREO_MIX), 0);
    } else {
	pjmedia_convert_channel_1ton((pj_int16_t*)frame->buf, 
				     (const pj_int16_t*)tmp_frame.buf,
				     sport->base.info.channel_count, 
				     sport->dn_port->info.samples_per_frame,
				     sport->options);
    }

    frame->size = sport->base.info.bytes_per_frame;
    frame->type = PJMEDIA_FRAME_TYPE_AUDIO;

    return PJ_SUCCESS;
}

コード例 #3

ファイル: stereo_port.c プロジェクト: AmoebaLabs/pjsip

static pj_status_t stereo_put_frame(pjmedia_port *this_port,
				    pjmedia_frame *frame)
{
    struct stereo_port *sport = (struct stereo_port*) this_port;
    const pjmedia_audio_format_detail *s_afd, *dn_afd;
    pjmedia_frame tmp_frame;

    /* Return if we don't have downstream port. */
    if (sport->dn_port == NULL) {
	return PJ_SUCCESS;
    }

    s_afd = pjmedia_format_get_audio_format_detail(&this_port->info.fmt, 1);
    dn_afd = pjmedia_format_get_audio_format_detail(&sport->dn_port->info.fmt,
						    1);

    if (frame->type == PJMEDIA_FRAME_TYPE_AUDIO) {
	tmp_frame.buf = sport->put_buf;
	if (dn_afd->channel_count == 1) {
	    pjmedia_convert_channel_nto1((pj_int16_t*)tmp_frame.buf, 
					 (const pj_int16_t*)frame->buf,
					 s_afd->channel_count,
					 PJMEDIA_AFD_SPF(s_afd),
					 (sport->options & PJMEDIA_STEREO_MIX),
					 0);
	} else {
	    pjmedia_convert_channel_1ton((pj_int16_t*)tmp_frame.buf, 
					 (const pj_int16_t*)frame->buf,
					 dn_afd->channel_count,
					 PJMEDIA_AFD_SPF(s_afd),
					 sport->options);
	}
	tmp_frame.size = PJMEDIA_AFD_AVG_FSZ(dn_afd);
    } else {
	tmp_frame.buf = frame->buf;
	tmp_frame.size = frame->size;
    }

    tmp_frame.type = frame->type;
    tmp_frame.timestamp.u64 = frame->timestamp.u64;

    return pjmedia_port_put_frame( sport->dn_port, &tmp_frame );
}

コード例 #4

ファイル: stereo_port.c プロジェクト: svn2github/pjproject

static pj_status_t stereo_put_frame(pjmedia_port *this_port,
				    const pjmedia_frame *frame)
{
    struct stereo_port *sport = (struct stereo_port*) this_port;
    pjmedia_frame tmp_frame;

    /* Return if we don't have downstream port. */
    if (sport->dn_port == NULL) {
	return PJ_SUCCESS;
    }

    if (frame->type == PJMEDIA_FRAME_TYPE_AUDIO) {
	tmp_frame.buf = sport->put_buf;
	if (sport->dn_port->info.channel_count == 1) {
	    pjmedia_convert_channel_nto1((pj_int16_t*)tmp_frame.buf, 
					 (const pj_int16_t*)frame->buf,
					 sport->base.info.channel_count, 
					 sport->base.info.samples_per_frame, 
					 (sport->options & PJMEDIA_STEREO_MIX),
					 0);
	} else {
	    pjmedia_convert_channel_1ton((pj_int16_t*)tmp_frame.buf, 
					 (const pj_int16_t*)frame->buf,
					 sport->dn_port->info.channel_count, 
					 sport->base.info.samples_per_frame,
					 sport->options);
	}
	tmp_frame.size = sport->dn_port->info.bytes_per_frame;
    } else {
	tmp_frame.buf = frame->buf;
	tmp_frame.size = frame->size;
    }

    tmp_frame.type = frame->type;
    tmp_frame.timestamp.u64 = frame->timestamp.u64;

    return pjmedia_port_put_frame( sport->dn_port, &tmp_frame );
}