C++ (Cpp) avc1394_vcr_play Examples

Example #1

File: avc1394control.C Project: beequ7et/cinelerra-cv

void AVC1394Control::play()
{
//printf("AVC1394Control::play(): 1\n");
	device_lock->lock("AVC1394Control::play");
	avc1394_vcr_play(handle, device);
	device_lock->unlock();
}

Example #2

File: gsthdv1394src.c Project: ConfusedReality/pkg_multimedia_gst-plugins-good

static gboolean
gst_hdv1394src_start (GstBaseSrc * bsrc)
{
    GstHDV1394Src *src = GST_HDV1394SRC (bsrc);
    int control_sock[2];

    src->connected = FALSE;

    if (socketpair (PF_UNIX, SOCK_STREAM, 0, control_sock) < 0)
        goto socket_pair;

    READ_SOCKET (src) = control_sock[0];
    WRITE_SOCKET (src) = control_sock[1];

    if (fcntl (READ_SOCKET (src), F_SETFL, O_NONBLOCK) < 0)
        GST_ERROR_OBJECT (src, "failed to make read socket non-blocking: %s",
                          g_strerror (errno));
    if (fcntl (WRITE_SOCKET (src), F_SETFL, O_NONBLOCK) < 0)
        GST_ERROR_OBJECT (src, "failed to make write socket non-blocking: %s",
                          g_strerror (errno));

    src->handle = raw1394_new_handle ();

    if (!src->handle) {
        if (errno == EACCES)
            goto permission_denied;
        else if (errno == ENOENT)
            goto not_found;
        else
            goto no_handle;
    }

    src->num_ports = raw1394_get_port_info (src->handle, src->pinfo, 16);

    if (src->num_ports == 0)
        goto no_ports;

    if (src->use_avc || src->port == -1)
        src->avc_node = gst_hdv1394src_discover_avc_node (src);

    /* lets destroy handle and create one on port
       this is more reliable than setting port on
       the existing handle */
    raw1394_destroy_handle (src->handle);
    src->handle = raw1394_new_handle_on_port (src->port);
    if (!src->handle)
        goto cannot_set_port;

    raw1394_set_userdata (src->handle, src);
    raw1394_set_bus_reset_handler (src->handle, gst_hdv1394src_bus_reset);

    {
        nodeid_t m_node = (src->avc_node | 0xffc0);
        int m_channel = -1;
        int m_bandwidth = 0;
        int m_outputPort = -1;
        int m_inputPort = -1;

        m_channel = iec61883_cmp_connect (src->handle, m_node, &m_outputPort,
                                          raw1394_get_local_id (src->handle), &m_inputPort, &m_bandwidth);

        if (m_channel >= 0) {
            src->channel = m_channel;
        }
    }


    if ((src->iec61883mpeg2 =
                iec61883_mpeg2_recv_init (src->handle,
                                          gst_hdv1394src_iec61883_receive, src)) == NULL)
        goto cannot_initialise_dv;

#if 0
    raw1394_set_iso_handler (src->handle, src->channel,
                             gst_hdv1394src_iso_receive);
#endif

    GST_DEBUG_OBJECT (src, "successfully opened up 1394 connection");
    src->connected = TRUE;

    if (iec61883_mpeg2_recv_start (src->iec61883mpeg2, src->channel) != 0)
        goto cannot_start;
#if 0
    if (raw1394_start_iso_rcv (src->handle, src->channel) < 0)
        goto cannot_start;
#endif

    if (src->use_avc) {
        raw1394handle_t avc_handle = raw1394_new_handle_on_port (src->port);

        GST_LOG ("We have an avc_handle");

        /* start the VCR */
        if (avc_handle) {
            if (!avc1394_vcr_is_recording (avc_handle, src->avc_node)
                    && avc1394_vcr_is_playing (avc_handle, src->avc_node)
                    != AVC1394_VCR_OPERAND_PLAY_FORWARD) {
                GST_LOG ("Calling avc1394_vcr_play()");
                avc1394_vcr_play (avc_handle, src->avc_node);
            }
            raw1394_destroy_handle (avc_handle);
        } else {
            GST_WARNING_OBJECT (src, "Starting VCR via avc1394 failed: %s",
                                g_strerror (errno));
        }
    }

    return TRUE;

socket_pair:
    {
        GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ_WRITE, (NULL),
                           GST_ERROR_SYSTEM);
        return FALSE;
    }
permission_denied:
    {
        GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
        return FALSE;
    }
not_found:
    {
        GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL), GST_ERROR_SYSTEM);
        return FALSE;
    }
no_handle:
    {
        GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
                           ("can't get raw1394 handle (%s)", g_strerror (errno)));
        return FALSE;
    }
no_ports:
    {
        raw1394_destroy_handle (src->handle);
        src->handle = NULL;
        GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL),
                           ("no ports available for raw1394"));
        return FALSE;
    }
cannot_set_port:
    {
        GST_ELEMENT_ERROR (src, RESOURCE, SETTINGS, (NULL),
                           ("can't set 1394 port %d", src->port));
        return FALSE;
    }
cannot_start:
    {
        raw1394_destroy_handle (src->handle);
        src->handle = NULL;
        iec61883_mpeg2_close (src->iec61883mpeg2);
        src->iec61883mpeg2 = NULL;
        GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
                           ("can't start 1394 iso receive"));
        return FALSE;
    }
cannot_initialise_dv:
    {
        raw1394_destroy_handle (src->handle);
        src->handle = NULL;
        GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
                           ("can't initialise iec61883 hdv"));
        return FALSE;
    }
}