--- /dev/null
+/* GStreamer
+ * Copyright (C) <2008> Edward Hervey <bilboed@bilboed.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <unistd.h>
+#include <sys/poll.h>
+#include <sys/socket.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include <libavc1394/avc1394.h>
+#include <libavc1394/avc1394_vcr.h>
+#include <libavc1394/rom1394.h>
+#include <libraw1394/raw1394.h>
+#include <libiec61883/iec61883.h>
+
+#include <gst/gst.h>
+
+#include "gsthdv1394src.h"
+#include "gst1394probe.h"
+
+
+#define CONTROL_STOP 'S' /* stop the select call */
+#define CONTROL_SOCKETS(src) src->control_sock
+#define WRITE_SOCKET(src) src->control_sock[1]
+#define READ_SOCKET(src) src->control_sock[0]
+
+#define SEND_COMMAND(src, command) \
+G_STMT_START { \
+ unsigned char c; c = command; \
+ write (WRITE_SOCKET(src), &c, 1); \
+} G_STMT_END
+
+#define READ_COMMAND(src, command, res) \
+G_STMT_START { \
+ res = read(READ_SOCKET(src), &command, 1); \
+} G_STMT_END
+
+
+GST_DEBUG_CATEGORY_STATIC (hdv1394src_debug);
+#define GST_CAT_DEFAULT (hdv1394src_debug)
+
+#define DEFAULT_PORT -1
+#define DEFAULT_CHANNEL 63
+#define DEFAULT_USE_AVC TRUE
+#define DEFAULT_GUID 0
+
+enum
+{
+ PROP_0,
+ PROP_PORT,
+ PROP_CHANNEL,
+ PROP_USE_AVC,
+ PROP_GUID,
+ PROP_DEVICE_NAME
+};
+
+static const GstElementDetails gst_hdv1394src_details =
+GST_ELEMENT_DETAILS ("Firewire (1394) HDV video source",
+ "Source/Video",
+ "Source for MPEG-TS video data from firewire port",
+ "Edward Hervey <bilboed@bilboed.com>");
+
+static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS
+ ("video/mpegts,systemstream=(boolean)true,packetsize=(int)188")
+ );
+
+static void gst_hdv1394src_uri_handler_init (gpointer g_iface,
+ gpointer iface_data);
+
+static void gst_hdv1394src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_hdv1394src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_hdv1394src_dispose (GObject * object);
+
+static gboolean gst_hdv1394src_start (GstBaseSrc * bsrc);
+static gboolean gst_hdv1394src_stop (GstBaseSrc * bsrc);
+static gboolean gst_hdv1394src_unlock (GstBaseSrc * bsrc);
+
+static GstFlowReturn gst_hdv1394src_create (GstPushSrc * psrc,
+ GstBuffer ** buf);
+
+static void gst_hdv1394src_update_device_name (GstHDV1394Src * src);
+
+static void
+_do_init (GType type)
+{
+ static const GInterfaceInfo urihandler_info = {
+ gst_hdv1394src_uri_handler_init,
+ NULL,
+ NULL,
+ };
+ g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info);
+
+ gst_1394_type_add_property_probe_interface (type);
+
+ GST_DEBUG_CATEGORY_INIT (hdv1394src_debug, "hdv1394src", 0,
+ "MPEG-TS firewire source");
+}
+
+GST_BOILERPLATE_FULL (GstHDV1394Src, gst_hdv1394src, GstPushSrc,
+ GST_TYPE_PUSH_SRC, _do_init);
+
+
+static void
+gst_hdv1394src_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_factory));
+
+ gst_element_class_set_details (element_class, &gst_hdv1394src_details);
+}
+
+static void
+gst_hdv1394src_class_init (GstHDV1394SrcClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstBaseSrcClass *gstbasesrc_class;
+ GstPushSrcClass *gstpushsrc_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstbasesrc_class = (GstBaseSrcClass *) klass;
+ gstpushsrc_class = (GstPushSrcClass *) klass;
+
+ gobject_class->set_property = gst_hdv1394src_set_property;
+ gobject_class->get_property = gst_hdv1394src_get_property;
+ gobject_class->dispose = gst_hdv1394src_dispose;
+
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PORT,
+ g_param_spec_int ("port", "Port", "Port number (-1 automatic)",
+ -1, 16, DEFAULT_PORT, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CHANNEL,
+ g_param_spec_int ("channel", "Channel", "Channel number for listening",
+ 0, 64, DEFAULT_CHANNEL, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_USE_AVC,
+ g_param_spec_boolean ("use-avc", "Use AV/C", "Use AV/C VTR control",
+ DEFAULT_USE_AVC, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_GUID,
+ g_param_spec_uint64 ("guid", "GUID",
+ "select one of multiple DV devices by its GUID. use a hexadecimal "
+ "like 0xhhhhhhhhhhhhhhhh. (0 = no guid)", 0, G_MAXUINT64,
+ DEFAULT_GUID, G_PARAM_READWRITE));
+ /**
+ * GstHDV1394Src:device-name
+ *
+ * Descriptive name of the currently opened device
+ *
+ * Since: 0.10.7
+ **/
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DEVICE_NAME,
+ g_param_spec_string ("device-name", "device name",
+ "user-friendly name of the device", "Default", G_PARAM_READABLE));
+
+ gstbasesrc_class->negotiate = NULL;
+ gstbasesrc_class->start = gst_hdv1394src_start;
+ gstbasesrc_class->stop = gst_hdv1394src_stop;
+ gstbasesrc_class->unlock = gst_hdv1394src_unlock;
+
+ gstpushsrc_class->create = gst_hdv1394src_create;
+}
+
+static void
+gst_hdv1394src_init (GstHDV1394Src * dv1394src, GstHDV1394SrcClass * klass)
+{
+ GstPad *srcpad = GST_BASE_SRC_PAD (dv1394src);
+
+ gst_base_src_set_live (GST_BASE_SRC (dv1394src), TRUE);
+ gst_pad_use_fixed_caps (srcpad);
+
+ dv1394src->port = DEFAULT_PORT;
+ dv1394src->channel = DEFAULT_CHANNEL;
+
+ dv1394src->use_avc = DEFAULT_USE_AVC;
+ dv1394src->guid = DEFAULT_GUID;
+ dv1394src->uri = g_strdup_printf ("hdv://%d", dv1394src->port);
+ dv1394src->device_name = g_strdup_printf ("Default");
+
+ READ_SOCKET (dv1394src) = -1;
+ WRITE_SOCKET (dv1394src) = -1;
+
+ dv1394src->frame_sequence = 0;
+}
+
+static void
+gst_hdv1394src_dispose (GObject * object)
+{
+ GstHDV1394Src *src = GST_HDV1394SRC (object);
+
+ g_free (src->uri);
+ src->uri = NULL;
+
+ g_free (src->device_name);
+ src->device_name = NULL;
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gst_hdv1394src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstHDV1394Src *filter = GST_HDV1394SRC (object);
+
+ switch (prop_id) {
+ case PROP_PORT:
+ filter->port = g_value_get_int (value);
+ g_free (filter->uri);
+ filter->uri = g_strdup_printf ("hdv://%d", filter->port);
+ break;
+ case PROP_CHANNEL:
+ filter->channel = g_value_get_int (value);
+ break;
+ case PROP_USE_AVC:
+ filter->use_avc = g_value_get_boolean (value);
+ break;
+ case PROP_GUID:
+ filter->guid = g_value_get_uint64 (value);
+ gst_hdv1394src_update_device_name (filter);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gst_hdv1394src_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstHDV1394Src *filter = GST_HDV1394SRC (object);
+
+ switch (prop_id) {
+ case PROP_PORT:
+ g_value_set_int (value, filter->port);
+ break;
+ case PROP_CHANNEL:
+ g_value_set_int (value, filter->channel);
+ break;
+ case PROP_USE_AVC:
+ g_value_set_boolean (value, filter->use_avc);
+ break;
+ case PROP_GUID:
+ g_value_set_uint64 (value, filter->guid);
+ break;
+ case PROP_DEVICE_NAME:
+ g_value_set_string (value, filter->device_name);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GstHDV1394Src *
+gst_hdv1394src_from_raw1394handle (raw1394handle_t handle)
+{
+ iec61883_mpeg2_t mpeg2 = (iec61883_mpeg2_t) raw1394_get_userdata (handle);
+ return GST_HDV1394SRC (iec61883_mpeg2_get_callback_data (mpeg2));
+}
+
+/* Within one loop iteration (which may call _receive() many times), it seems
+ * as though '*data' will always be different.
+ *
+ * We can therefore assume that any '*data' given to us will stay allocated until
+ * the next loop iteration.
+ */
+
+static int
+gst_hdv1394src_iec61883_receive (unsigned char *data, int len,
+ unsigned int dropped, void *cbdata)
+{
+ GstHDV1394Src *dv1394src = GST_HDV1394SRC (cbdata);
+
+ GST_LOG ("data:%p, len:%d, dropped:%d", data, len, dropped);
+
+ /* error out if we don't have enough room ! */
+ if (dv1394src->outoffset > (2048 * 188 - len))
+ return -1;
+
+ if (len == IEC61883_MPEG2_TSP_SIZE) {
+ memcpy (dv1394src->outdata + dv1394src->outoffset, data, len);
+ dv1394src->outoffset += len;
+ }
+ dv1394src->frame_sequence++;
+ return 0;
+}
+
+/*
+ * When an ieee1394 bus reset happens, usually a device has been removed
+ * or added. We send a message on the message bus with the node count
+ * and whether the capture device used in this element connected, disconnected
+ * or was unchanged
+ * Message structure:
+ * nodecount - integer with number of nodes on bus
+ * current-device-change - integer (1 if device connected, 0 if no change to
+ * current device status, -1 if device disconnected)
+ */
+static int
+gst_hdv1394src_bus_reset (raw1394handle_t handle, unsigned int generation)
+{
+ GstHDV1394Src *src;
+ gint nodecount;
+ GstMessage *message;
+ GstStructure *structure;
+ gint current_device_change;
+ gint i;
+
+ src = gst_hdv1394src_from_raw1394handle (handle);
+
+ GST_INFO_OBJECT (src, "have bus reset");
+
+ /* update generation - told to do so by docs */
+ raw1394_update_generation (handle, generation);
+ nodecount = raw1394_get_nodecount (handle);
+ /* allocate memory for portinfo */
+
+ /* current_device_change is -1 if camera disconnected, 0 if other device
+ * connected or 1 if camera has now connected */
+ current_device_change = -1;
+ for (i = 0; i < nodecount; i++) {
+ if (src->guid == rom1394_get_guid (handle, i)) {
+ /* Camera is with us */
+ GST_DEBUG ("Camera is with us");
+ if (!src->connected) {
+ current_device_change = 1;
+ src->connected = TRUE;
+ } else
+ current_device_change = 0;
+ }
+ }
+ if (src->connected && current_device_change == -1) {
+ GST_DEBUG ("Camera has disconnected");
+ src->connected = FALSE;
+ } else if (!src->connected && current_device_change == -1) {
+ GST_DEBUG ("Camera is still not with us");
+ current_device_change = 0;
+ }
+
+ structure = gst_structure_new ("ieee1394-bus-reset", "nodecount", G_TYPE_INT,
+ nodecount, "current-device-change", G_TYPE_INT, current_device_change,
+ NULL);
+ message = gst_message_new_element (GST_OBJECT (src), structure);
+ gst_element_post_message (GST_ELEMENT (src), message);
+
+ return 0;
+}
+
+static GstFlowReturn
+gst_hdv1394src_create (GstPushSrc * psrc, GstBuffer ** buf)
+{
+ GstHDV1394Src *dv1394src = GST_HDV1394SRC (psrc);
+ GstCaps *caps;
+ struct pollfd pollfds[2];
+
+ pollfds[0].fd = raw1394_get_fd (dv1394src->handle);
+ pollfds[0].events = POLLIN | POLLERR | POLLHUP | POLLPRI;
+ pollfds[1].fd = READ_SOCKET (dv1394src);
+ pollfds[1].events = POLLIN | POLLERR | POLLHUP | POLLPRI;
+
+ /* allocate a 2048 samples buffer */
+ dv1394src->outdata = g_malloc (2048 * 188);
+ dv1394src->outoffset = 0;
+
+ GST_DEBUG ("Create...");
+
+ while (TRUE) {
+ int res = poll (pollfds, 2, -1);
+
+ GST_LOG ("res:%d", res);
+
+ if (res < 0) {
+ if (errno == EAGAIN || errno == EINTR)
+ continue;
+ else
+ goto error_while_polling;
+ }
+ if (G_UNLIKELY (pollfds[1].revents)) {
+ char command;
+
+ if (pollfds[1].revents & POLLIN)
+ READ_COMMAND (dv1394src, command, res);
+
+ goto told_to_stop;
+ } else if (G_LIKELY (pollfds[0].revents & POLLIN)) {
+ int pt = dv1394src->frame_sequence;
+ /* shouldn't block in theory */
+ GST_LOG ("Iterating ! (%d)", dv1394src->frame_sequence);
+ raw1394_loop_iterate (dv1394src->handle);
+ GST_LOG ("After iteration : %d (diff:%d)",
+ dv1394src->frame_sequence, dv1394src->frame_sequence - pt);
+ if (dv1394src->outoffset)
+ break;
+ }
+ }
+
+ g_assert (dv1394src->outoffset);
+
+ GST_LOG ("We have some frames (%d bytes)", dv1394src->outoffset);
+
+ /* Create the buffer */
+ *buf = gst_buffer_new ();
+ GST_BUFFER_DATA (*buf) = dv1394src->outdata;
+ GST_BUFFER_MALLOCDATA (*buf) = dv1394src->outdata;
+ GST_BUFFER_SIZE (*buf) = dv1394src->outoffset;
+ dv1394src->outdata = NULL;
+ dv1394src->outoffset = 0;
+
+ caps = gst_pad_get_caps (GST_BASE_SRC_PAD (psrc));
+ gst_buffer_set_caps (*buf, caps);
+ gst_caps_unref (caps);
+
+ return GST_FLOW_OK;
+
+error_while_polling:
+ {
+ GST_ELEMENT_ERROR (dv1394src, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
+ return GST_FLOW_UNEXPECTED;
+ }
+told_to_stop:
+ {
+ GST_DEBUG_OBJECT (dv1394src, "told to stop, shutting down");
+ return GST_FLOW_WRONG_STATE;
+ }
+}
+
+static int
+gst_hdv1394src_discover_avc_node (GstHDV1394Src * src)
+{
+ int node = -1;
+ int i, j = 0;
+ int m = src->num_ports;
+
+ if (src->port >= 0) {
+ /* search on explicit port */
+ j = src->port;
+ m = j + 1;
+ }
+
+ /* loop over all our ports */
+ for (; j < m && node == -1; j++) {
+ raw1394handle_t handle;
+ gint n_ports;
+ struct raw1394_portinfo pinf[16];
+
+ /* open the port */
+ handle = raw1394_new_handle ();
+ if (!handle) {
+ GST_WARNING ("raw1394 - failed to get handle: %s.\n", strerror (errno));
+ continue;
+ }
+ if ((n_ports = raw1394_get_port_info (handle, pinf, 16)) < 0) {
+ GST_WARNING ("raw1394 - failed to get port info: %s.\n",
+ strerror (errno));
+ goto next;
+ }
+
+ /* tell raw1394 which host adapter to use */
+ if (raw1394_set_port (handle, j) < 0) {
+ GST_WARNING ("raw1394 - failed to set set port: %s.\n", strerror (errno));
+ goto next;
+ }
+
+ /* now loop over all the nodes */
+ for (i = 0; i < raw1394_get_nodecount (handle); i++) {
+ /* are we looking for an explicit GUID ? */
+ if (src->guid != 0) {
+ if (src->guid == rom1394_get_guid (handle, i)) {
+ node = i;
+ src->port = j;
+ g_free (src->uri);
+ src->uri = g_strdup_printf ("dv://%d", src->port);
+ break;
+ }
+ } else {
+ rom1394_directory rom_dir;
+
+ /* select first AV/C Tape Recorder Player node */
+ if (rom1394_get_directory (handle, i, &rom_dir) < 0) {
+ GST_WARNING ("error reading config rom directory for node %d\n", i);
+ continue;
+ }
+ if ((rom1394_get_node_type (&rom_dir) == ROM1394_NODE_TYPE_AVC) &&
+ avc1394_check_subunit_type (handle, i, AVC1394_SUBUNIT_TYPE_VCR)) {
+ node = i;
+ src->port = j;
+ src->guid = rom1394_get_guid (handle, i);
+ g_free (src->uri);
+ src->uri = g_strdup_printf ("dv://%d", src->port);
+ g_free (src->device_name);
+ src->device_name = g_strdup (rom_dir.label);
+ break;
+ }
+ rom1394_free_directory (&rom_dir);
+ }
+ }
+ next:
+ raw1394_destroy_handle (handle);
+ }
+ return node;
+}
+
+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];
+
+ fcntl (READ_SOCKET (src), F_SETFL, O_NONBLOCK);
+ fcntl (WRITE_SOCKET (src), F_SETFL, O_NONBLOCK);
+
+ 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);
+
+ 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;
+ }
+}
+
+static gboolean
+gst_hdv1394src_stop (GstBaseSrc * bsrc)
+{
+ GstHDV1394Src *src = GST_HDV1394SRC (bsrc);
+
+ close (READ_SOCKET (src));
+ close (WRITE_SOCKET (src));
+ READ_SOCKET (src) = -1;
+ WRITE_SOCKET (src) = -1;
+
+ iec61883_mpeg2_close (src->iec61883mpeg2);
+#if 0
+ raw1394_stop_iso_rcv (src->handle, src->channel);
+#endif
+
+ if (src->use_avc) {
+ raw1394handle_t avc_handle = raw1394_new_handle_on_port (src->port);
+
+ /* pause and stop 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_PAUSE))
+ avc1394_vcr_pause (avc_handle, src->avc_node);
+ avc1394_vcr_stop (avc_handle, src->avc_node);
+ raw1394_destroy_handle (avc_handle);
+ } else {
+ GST_WARNING_OBJECT (src, "Starting VCR via avc1394 failed: %s",
+ g_strerror (errno));
+ }
+ }
+
+ raw1394_destroy_handle (src->handle);
+
+ return TRUE;
+}
+
+static gboolean
+gst_hdv1394src_unlock (GstBaseSrc * bsrc)
+{
+ GstHDV1394Src *src = GST_HDV1394SRC (bsrc);
+
+ SEND_COMMAND (src, CONTROL_STOP);
+
+ return TRUE;
+}
+
+static void
+gst_hdv1394src_update_device_name (GstHDV1394Src * src)
+{
+ raw1394handle_t handle;
+ gint portcount, port, nodecount, node;
+ rom1394_directory directory;
+
+ g_free (src->device_name);
+ src->device_name = NULL;
+
+ GST_LOG_OBJECT (src, "updating device name for current GUID");
+
+ handle = raw1394_new_handle ();
+
+ if (handle == NULL)
+ goto gethandle_failed;
+
+ portcount = raw1394_get_port_info (handle, NULL, 0);
+ for (port = 0; port < portcount; port++) {
+ if (raw1394_set_port (handle, port) >= 0) {
+ nodecount = raw1394_get_nodecount (handle);
+ for (node = 0; node < nodecount; node++) {
+ if (src->guid == rom1394_get_guid (handle, node)) {
+ if (rom1394_get_directory (handle, node, &directory) >= 0) {
+ g_free (src->device_name);
+ src->device_name = g_strdup (directory.label);
+ rom1394_free_directory (&directory);
+ goto done;
+ } else {
+ GST_WARNING ("error reading rom directory for node %d", node);
+ }
+ }
+ }
+ }
+ }
+
+ src->device_name = g_strdup ("Unknown"); /* FIXME: translate? */
+
+done:
+
+ raw1394_destroy_handle (handle);
+ return;
+
+/* ERRORS */
+gethandle_failed:
+ {
+ GST_WARNING ("failed to get raw1394 handle: %s", g_strerror (errno));
+ src->device_name = g_strdup ("Unknown"); /* FIXME: translate? */
+ return;
+ }
+}
+
+/*** GSTURIHANDLER INTERFACE *************************************************/
+
+static guint
+gst_hdv1394src_uri_get_type (void)
+{
+ return GST_URI_SRC;
+}
+static gchar **
+gst_hdv1394src_uri_get_protocols (void)
+{
+ static gchar *protocols[] = { "hdv", NULL };
+
+ return protocols;
+}
+static const gchar *
+gst_hdv1394src_uri_get_uri (GstURIHandler * handler)
+{
+ GstHDV1394Src *gst_hdv1394src = GST_HDV1394SRC (handler);
+
+ return gst_hdv1394src->uri;
+}
+
+static gboolean
+gst_hdv1394src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
+{
+ gchar *protocol, *location;
+ gboolean ret = TRUE;
+ GstHDV1394Src *gst_hdv1394src = GST_HDV1394SRC (handler);
+
+ protocol = gst_uri_get_protocol (uri);
+ if (strcmp (protocol, "hdv") != 0) {
+ g_free (protocol);
+ return FALSE;
+ }
+ g_free (protocol);
+
+ location = gst_uri_get_location (uri);
+ if (location && *location != '\0')
+ gst_hdv1394src->port = strtol (location, NULL, 10);
+ else
+ gst_hdv1394src->port = DEFAULT_PORT;
+ g_free (location);
+ g_free (gst_hdv1394src->uri);
+ gst_hdv1394src->uri = g_strdup_printf ("hdv://%d", gst_hdv1394src->port);
+
+ return ret;
+}
+
+static void
+gst_hdv1394src_uri_handler_init (gpointer g_iface, gpointer iface_data)
+{
+ GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
+
+ iface->get_type = gst_hdv1394src_uri_get_type;
+ iface->get_protocols = gst_hdv1394src_uri_get_protocols;
+ iface->get_uri = gst_hdv1394src_uri_get_uri;
+ iface->set_uri = gst_hdv1394src_uri_set_uri;
+}
projects / platform / upstream / gst-plugins-good.git / commitdiff