static const gchar *
gst_gnome_vfs_src_uri_get_uri (GstURIHandler * handler)
{
GstGnomeVFSSrc *src = GST_GNOME_VFS_SRC (handler);
return src->uri_name;
}
static void
gst_gnome_vfs_src_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (object);
switch (prop_id) {
case ARG_LOCATION:
g_value_set_string (value, src->uri_name);
break;
case ARG_HANDLE:
g_value_set_boxed (value, src->handle);
break;
case ARG_IRADIO_MODE:
g_value_set_boolean (value, src->iradio_mode);
break;
case ARG_IRADIO_NAME:
g_value_set_string (value, src->iradio_name);
break;
case ARG_IRADIO_GENRE:
g_value_set_string (value, src->iradio_genre);
break;
case ARG_IRADIO_URL:
g_value_set_string (value, src->iradio_url);
break;
case ARG_IRADIO_TITLE:
g_value_set_string (value, src->iradio_title);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_gnome_vfs_src_stop (GstBaseSrc * basesrc)
{
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (basesrc);
gst_gnome_vfs_src_pop_callbacks (src);
if (src->own_handle) {
GnomeVFSResult res;
res = gnome_vfs_close (src->handle);
if (res != GNOME_VFS_OK) {
GST_ELEMENT_ERROR (src, RESOURCE, CLOSE, (NULL),
("Could not close vfs handle: %s", gnome_vfs_result_to_string (res)));
}
src->handle = NULL;
}
src->curoffset = 0;
src->interrupted = FALSE;
gnome_vfs_context_free (src->context);
src->context = NULL;
return TRUE;
}
/* open the file, do stuff necessary to go to PAUSED state */
static gboolean
gst_gnome_vfs_src_start (GstBaseSrc * basesrc)
{
GnomeVFSResult res;
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (basesrc);
gst_gnome_vfs_src_push_callbacks (src);
if (src->uri != NULL) {
GnomeVFSOpenMode mode = GNOME_VFS_OPEN_READ;
/* this can block... */
res = gnome_vfs_open_uri (&src->handle, src->uri, mode);
if (res != GNOME_VFS_OK)
goto open_failed;
src->own_handle = TRUE;
} else if (!src->handle) {
goto no_filename;
} else {
src->own_handle = FALSE;
}
if (gnome_vfs_seek (src->handle, GNOME_VFS_SEEK_CURRENT, 0) == GNOME_VFS_OK) {
src->seekable = TRUE;
} else {
src->seekable = FALSE;
}
return TRUE;
/* ERRORS */
open_failed:
{
gchar *filename = gnome_vfs_uri_to_string (src->uri,
GNOME_VFS_URI_HIDE_PASSWORD);
gst_gnome_vfs_src_pop_callbacks (src);
if (res == GNOME_VFS_ERROR_NOT_FOUND ||
res == GNOME_VFS_ERROR_HOST_NOT_FOUND ||
res == GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL),
("Could not open vfs file \"%s\" for reading: %s (%d)",
filename, gnome_vfs_result_to_string (res), res));
} else {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
("Could not open vfs file \"%s\" for reading: %s (%d)",
filename, gnome_vfs_result_to_string (res), res));
}
g_free (filename);
return FALSE;
}
no_filename:
{
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), ("No filename given"));
return FALSE;
}
}
static gboolean
gst_gnome_vfs_src_is_seekable (GstBaseSrc * basesrc)
{
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (basesrc);
return src->seekable;
}
static void
gst_gnome_vfs_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (object);
switch (prop_id) {
case ARG_LOCATION:{
const gchar *new_location;
/* the element must be stopped or paused in order to do this */
if (GST_STATE (src) == GST_STATE_PLAYING ||
GST_STATE (src) == GST_STATE_PAUSED)
break;
if (src->uri) {
gnome_vfs_uri_unref (src->uri);
src->uri = NULL;
}
if (src->uri_name) {
g_free (src->uri_name);
src->uri_name = NULL;
}
new_location = g_value_get_string (value);
if (new_location) {
src->uri_name = gst_gnome_vfs_location_to_uri_string (new_location);
src->uri = gnome_vfs_uri_new (src->uri_name);
}
break;
}
case ARG_HANDLE:
if (GST_STATE (src) == GST_STATE_NULL ||
GST_STATE (src) == GST_STATE_READY) {
if (src->uri) {
gnome_vfs_uri_unref (src->uri);
src->uri = NULL;
}
if (src->uri_name) {
g_free (src->uri_name);
src->uri_name = NULL;
}
src->handle = g_value_get_boxed (value);
}
break;
case ARG_IRADIO_MODE:
src->iradio_mode = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/* Interrupt interrupt. */
static gboolean
gst_gnome_vfs_src_unlock_stop (GstBaseSrc * basesrc)
{
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (basesrc);
GST_DEBUG_OBJECT (src, "unlock_stop()");
src->interrupted = FALSE;
return TRUE;
}
static gboolean
gst_gnome_vfs_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
GstGnomeVFSSrc *src = GST_GNOME_VFS_SRC (handler);
if (GST_STATE (src) == GST_STATE_PLAYING ||
GST_STATE (src) == GST_STATE_PAUSED)
return FALSE;
g_object_set (G_OBJECT (src), "location", uri, NULL);
return TRUE;
}
static void
gst_gnome_vfs_src_send_additional_headers_callback (gconstpointer in,
gsize in_size, gpointer out, gsize out_size, gpointer callback_data)
{
GstGnomeVFSSrc *src = GST_GNOME_VFS_SRC (callback_data);
GnomeVFSModuleCallbackAdditionalHeadersOut *out_args =
(GnomeVFSModuleCallbackAdditionalHeadersOut *) out;
if (!src->iradio_mode)
return;
GST_DEBUG_OBJECT (src, "sending headers\n");
out_args->headers = g_list_append (out_args->headers,
g_strdup ("icy-metadata:1\r\n"));
}
/* Interrupt a blocking request. */
static gboolean
gst_gnome_vfs_src_unlock (GstBaseSrc * basesrc)
{
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (basesrc);
GST_DEBUG_OBJECT (src, "unlock()");
src->interrupted = TRUE;
if (src->context) {
GnomeVFSCancellation *cancel =
gnome_vfs_context_get_cancellation (src->context);
if (cancel)
gnome_vfs_cancellation_cancel (cancel);
}
return TRUE;
}
static gboolean
gst_gnome_vfs_src_check_get_range (GstBaseSrc * basesrc)
{
GstGnomeVFSSrc *src;
const gchar *protocol;
src = GST_GNOME_VFS_SRC (basesrc);
if (src->uri == NULL) {
GST_WARNING_OBJECT (src, "no URI set yet");
return FALSE;
}
if (gnome_vfs_uri_is_local (src->uri)) {
GST_LOG_OBJECT (src, "local URI (%s), assuming random access is possible",
GST_STR_NULL (src->uri_name));
return TRUE;
}
/* blacklist certain protocols we know won't work getrange-based */
protocol = gnome_vfs_uri_get_scheme (src->uri);
if (protocol == NULL)
goto undecided;
if (strcmp (protocol, "http") == 0 || strcmp (protocol, "https") == 0) {
GST_LOG_OBJECT (src, "blacklisted protocol '%s', no random access possible"
" (URI=%s)", protocol, GST_STR_NULL (src->uri_name));
return FALSE;
}
/* fall through to undecided */
undecided:
{
/* don't know what to do, let the basesrc class decide for us */
GST_LOG_OBJECT (src, "undecided about URI '%s', let base class handle it",
GST_STR_NULL (src->uri_name));
if (GST_BASE_SRC_CLASS (parent_class)->check_get_range)
return GST_BASE_SRC_CLASS (parent_class)->check_get_range (basesrc);
return FALSE;
}
}
static gboolean
gst_gnome_vfs_src_get_size (GstBaseSrc * basesrc, guint64 * size)
{
GstGnomeVFSSrc *src;
GnomeVFSFileInfo *info;
GnomeVFSFileInfoOptions options;
GnomeVFSResult res;
src = GST_GNOME_VFS_SRC (basesrc);
*size = -1;
info = gnome_vfs_file_info_new ();
options = GNOME_VFS_FILE_INFO_DEFAULT | GNOME_VFS_FILE_INFO_FOLLOW_LINKS;
res = gnome_vfs_get_file_info_from_handle (src->handle, info, options);
if (res == GNOME_VFS_OK) {
if ((info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_SIZE) != 0) {
*size = info->size;
GST_DEBUG_OBJECT (src, "from handle: %" G_GUINT64_FORMAT " bytes", *size);
} else if (src->own_handle && gnome_vfs_uri_is_local (src->uri)) {
GST_DEBUG_OBJECT (src,
"file size not known, file local, trying fallback");
res = gnome_vfs_get_file_info_uri (src->uri, info, options);
if (res == GNOME_VFS_OK &&
(info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_SIZE) != 0) {
*size = info->size;
GST_DEBUG_OBJECT (src, "from uri: %" G_GUINT64_FORMAT " bytes", *size);
}
}
} else {
GST_WARNING_OBJECT (src, "getting info failed: %s",
gnome_vfs_result_to_string (res));
}
gnome_vfs_file_info_unref (info);
if (*size == (GnomeVFSFileSize) - 1)
return FALSE;
GST_DEBUG_OBJECT (src, "return size %" G_GUINT64_FORMAT, *size);
return TRUE;
}
static gboolean
gst_gnome_vfs_src_query (GstBaseSrc * basesrc, GstQuery * query)
{
gboolean ret = FALSE;
GstGnomeVFSSrc *src = GST_GNOME_VFS_SRC (basesrc);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_URI:
gst_query_set_uri (query, src->uri_name);
ret = TRUE;
break;
default:
ret = FALSE;
break;
}
if (!ret)
ret = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
return ret;
}
static void
gst_gnome_vfs_src_finalize (GObject * object)
{
GstGnomeVFSSrc *src = GST_GNOME_VFS_SRC (object);
g_static_mutex_lock (&count_lock);
ref_count--;
if (ref_count == 0 && vfs_owner) {
if (gnome_vfs_initialized () == TRUE) {
gnome_vfs_shutdown ();
}
}
g_static_mutex_unlock (&count_lock);
if (src->uri) {
gnome_vfs_uri_unref (src->uri);
src->uri = NULL;
}
g_free (src->uri_name);
src->uri_name = NULL;
g_free (src->iradio_name);
src->iradio_name = NULL;
g_free (src->iradio_genre);
src->iradio_genre = NULL;
g_free (src->iradio_url);
src->iradio_url = NULL;
g_free (src->iradio_title);
src->iradio_title = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/*
* Read a new buffer from src->reqoffset, takes care of events
* and seeking and such.
*/
static GstFlowReturn
gst_gnome_vfs_src_create (GstBaseSrc * basesrc, guint64 offset, guint size,
GstBuffer ** buffer)
{
GnomeVFSResult res;
GstBuffer *buf;
GnomeVFSFileSize readbytes;
guint8 *data;
guint todo;
GstGnomeVFSSrc *src;
src = GST_GNOME_VFS_SRC (basesrc);
GST_DEBUG ("now at %" G_GINT64_FORMAT ", reading from %" G_GUINT64_FORMAT
", size %u", src->curoffset, offset, size);
/* seek if required */
if (G_UNLIKELY (src->curoffset != offset)) {
GST_DEBUG ("need to seek");
if (src->seekable) {
GST_DEBUG ("seeking to %" G_GUINT64_FORMAT, offset);
res = gnome_vfs_seek (src->handle, GNOME_VFS_SEEK_START, offset);
if (res != GNOME_VFS_OK)
goto seek_failed;
src->curoffset = offset;
} else {
goto cannot_seek;
}
}
buf = gst_buffer_try_new_and_alloc (size);
if (G_UNLIKELY (buf == NULL)) {
GST_ERROR_OBJECT (src, "Failed to allocate %u bytes", size);
return GST_FLOW_ERROR;
}
data = GST_BUFFER_DATA (buf);
todo = size;
while (todo > 0) {
/* this can return less that we ask for */
res = gnome_vfs_read (src->handle, data, todo, &readbytes);
if (G_UNLIKELY (res == GNOME_VFS_ERROR_EOF || (res == GNOME_VFS_OK
&& readbytes == 0)))
goto eos;
if (G_UNLIKELY (res != GNOME_VFS_OK))
goto read_failed;
if (readbytes < todo) {
data = &data[readbytes];
todo -= readbytes;
} else {
todo = 0;
}
GST_LOG (" got size %" G_GUINT64_FORMAT, readbytes);
}
GST_BUFFER_OFFSET (buf) = src->curoffset;
src->curoffset += size;
/* we're done, return the buffer */
*buffer = buf;
return GST_FLOW_OK;
seek_failed:
{
GST_ELEMENT_ERROR (src, RESOURCE, SEEK, (NULL),
("Failed to seek to requested position %" G_GINT64_FORMAT ": %s",
offset, gnome_vfs_result_to_string (res)));
return GST_FLOW_ERROR;
}
cannot_seek:
{
GST_ELEMENT_ERROR (src, RESOURCE, SEEK, (NULL),
("Requested seek from %" G_GINT64_FORMAT " to %" G_GINT64_FORMAT
" on non-seekable stream", src->curoffset, offset));
return GST_FLOW_ERROR;
}
read_failed:
{
gst_buffer_unref (buf);
GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
("Failed to read data: %s", gnome_vfs_result_to_string (res)));
return GST_FLOW_ERROR;
}
eos:
{
gst_buffer_unref (buf);
GST_DEBUG_OBJECT (src, "Reading data gave EOS");
return GST_FLOW_UNEXPECTED;
}
}
static void
gst_gnome_vfs_src_received_headers_callback (gconstpointer in,
gsize in_size, gpointer out, gsize out_size, gpointer callback_data)
{
GList *i;
gint icy_metaint;
GstGnomeVFSSrc *src = GST_GNOME_VFS_SRC (callback_data);
GnomeVFSModuleCallbackReceivedHeadersIn *in_args =
(GnomeVFSModuleCallbackReceivedHeadersIn *) in;
/* This is only used for internet radio stuff right now */
if (!src->iradio_mode)
return;
GST_DEBUG_OBJECT (src, "receiving internet radio metadata\n");
/* FIXME: Could we use "Accept-Ranges: bytes"
* http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.5
* to enable pull-mode?
*/
for (i = in_args->headers; i; i = i->next) {
char *data = (char *) i->data;
char *key = data;
char *value = strchr (data, ':');
if (!value)
continue;
value++;
g_strstrip (value);
if (!strlen (value))
continue;
GST_LOG_OBJECT (src, "data %s", data);
/* Icecast stuff */
if (strncmp (data, "icy-metaint:", 12) == 0) { /* ugh */
if (sscanf (data + 12, "%d", &icy_metaint) == 1) {
if (icy_metaint > 0) {
GstCaps *icy_caps;
icy_caps = gst_caps_new_simple ("application/x-icy",
"metadata-interval", G_TYPE_INT, icy_metaint, NULL);
gst_pad_set_caps (GST_BASE_SRC_PAD (src), icy_caps);
gst_caps_unref (icy_caps);
}
}
continue;
}
if (!strncmp (data, "icy-", 4))
key = data + 4;
else
continue;
GST_DEBUG_OBJECT (src, "key: %s", key);
if (!strncmp (key, "name", 4)) {
g_free (src->iradio_name);
src->iradio_name = gst_gnome_vfs_src_unicodify (value);
if (src->iradio_name)
g_object_notify (G_OBJECT (src), "iradio-name");
} else if (!strncmp (key, "genre", 5)) {
g_free (src->iradio_genre);
src->iradio_genre = gst_gnome_vfs_src_unicodify (value);
if (src->iradio_genre)
g_object_notify (G_OBJECT (src), "iradio-genre");
} else if (!strncmp (key, "url", 3)) {
g_free (src->iradio_url);
src->iradio_url = gst_gnome_vfs_src_unicodify (value);
if (src->iradio_url)
g_object_notify (G_OBJECT (src), "iradio-url");
}
}
}
