GstFragment *
gst_uri_downloader_fetch_uri (GstUriDownloader * downloader, const gchar * uri)
{
GstStateChangeReturn ret;
GstFragment *download = NULL;
g_mutex_lock (&downloader->priv->lock);
if (downloader->priv->cancelled) {
goto quit;
}
if (!gst_uri_downloader_set_uri (downloader, uri)) {
goto quit;
}
downloader->priv->download = gst_fragment_new ();
gst_bus_set_flushing (downloader->priv->bus, FALSE);
ret = gst_element_set_state (downloader->priv->urisrc, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE) {
g_object_unref (downloader->priv->download);
downloader->priv->download = NULL;
goto quit;
}
/* wait until:
* - the download succeed (EOS in the src pad)
* - the download failed (Error message on the fetcher bus)
* - the download was canceled
*/
GST_DEBUG_OBJECT (downloader, "Waiting to fetch the URI %s", uri);
g_cond_wait (&downloader->priv->cond, &downloader->priv->lock);
if (downloader->priv->cancelled) {
if (downloader->priv->download) {
g_object_unref (downloader->priv->download);
downloader->priv->download = NULL;
}
goto quit;
}
GST_OBJECT_LOCK (downloader);
download = downloader->priv->download;
downloader->priv->download = NULL;
GST_OBJECT_UNLOCK (downloader);
if (download != NULL)
GST_INFO_OBJECT (downloader, "URI fetched successfully");
else
GST_INFO_OBJECT (downloader, "Error fetching URI");
quit:
{
gst_uri_downloader_stop (downloader);
g_mutex_unlock (&downloader->priv->lock);
return download;
}
}
/**
* gst_uri_downloader_fetch_uri_with_range:
* @downloader: the #GstUriDownloader
* @uri: the uri
* @range_start: the starting byte index
* @range_end: the final byte index, use -1 for unspecified
*
* Returns the downloaded #GstFragment
*/
GstFragment *
gst_uri_downloader_fetch_uri_with_range (GstUriDownloader *
downloader, const gchar * uri, const gchar * referer, gboolean compress,
gboolean refresh, gboolean allow_cache,
gint64 range_start, gint64 range_end, GError ** err)
{
GstStateChangeReturn ret;
GstFragment *download = NULL;
GST_DEBUG_OBJECT (downloader, "Fetching URI %s", uri);
g_mutex_lock (&downloader->priv->download_lock);
downloader->priv->err = NULL;
downloader->priv->got_buffer = FALSE;
GST_OBJECT_LOCK (downloader);
if (downloader->priv->cancelled) {
GST_DEBUG_OBJECT (downloader, "Cancelled, aborting fetch");
goto quit;
}
if (!gst_uri_downloader_set_uri (downloader, uri, referer, compress, refresh,
allow_cache)) {
GST_WARNING_OBJECT (downloader, "Failed to set URI");
goto quit;
}
gst_bus_set_flushing (downloader->priv->bus, FALSE);
if (downloader->priv->download)
g_object_unref (downloader->priv->download);
downloader->priv->download = gst_fragment_new ();
downloader->priv->download->range_start = range_start;
downloader->priv->download->range_end = range_end;
GST_OBJECT_UNLOCK (downloader);
ret = gst_element_set_state (downloader->priv->urisrc, GST_STATE_READY);
GST_OBJECT_LOCK (downloader);
if (ret == GST_STATE_CHANGE_FAILURE || downloader->priv->download == NULL) {
GST_WARNING_OBJECT (downloader, "Failed to set src to READY");
goto quit;
}
/* might have been cancelled because of failures in state change */
if (downloader->priv->cancelled) {
goto quit;
}
if (range_start < 0 && range_end < 0) {
if (!gst_uri_downloader_set_method (downloader, "HEAD")) {
GST_WARNING_OBJECT (downloader, "Failed to set HTTP method");
goto quit;
}
} else {
if (!gst_uri_downloader_set_range (downloader, range_start, range_end)) {
GST_WARNING_OBJECT (downloader, "Failed to set range");
goto quit;
}
}
GST_OBJECT_UNLOCK (downloader);
ret = gst_element_set_state (downloader->priv->urisrc, GST_STATE_PLAYING);
GST_OBJECT_LOCK (downloader);
if (ret == GST_STATE_CHANGE_FAILURE) {
if (downloader->priv->download) {
g_object_unref (downloader->priv->download);
downloader->priv->download = NULL;
}
goto quit;
}
/* might have been cancelled because of failures in state change */
if (downloader->priv->cancelled) {
goto quit;
}
/* wait until:
* - the download succeed (EOS in the src pad)
* - the download failed (Error message on the fetcher bus)
* - the download was canceled
*/
GST_DEBUG_OBJECT (downloader, "Waiting to fetch the URI %s", uri);
while (!downloader->priv->cancelled && !downloader->priv->download->completed)
g_cond_wait (&downloader->priv->cond, GST_OBJECT_GET_LOCK (downloader));
if (downloader->priv->cancelled) {
if (downloader->priv->download) {
g_object_unref (downloader->priv->download);
downloader->priv->download = NULL;
}
goto quit;
}
download = downloader->priv->download;
downloader->priv->download = NULL;
if (!downloader->priv->got_buffer) {
if (download->range_start < 0 && download->range_end < 0) {
/* HEAD request, so we don't expect a response */
} else {
g_object_unref (download);
download = NULL;
GST_ERROR_OBJECT (downloader, "Didn't retrieve a buffer before EOS");
}
}
if (download != NULL)
GST_INFO_OBJECT (downloader, "URI fetched successfully");
else
GST_INFO_OBJECT (downloader, "Error fetching URI");
quit:
{
if (downloader->priv->urisrc) {
GstPad *pad;
GstElement *urisrc;
urisrc = downloader->priv->urisrc;
GST_DEBUG_OBJECT (downloader, "Stopping source element %s",
GST_ELEMENT_NAME (urisrc));
/* remove the bus' sync handler */
gst_bus_set_sync_handler (downloader->priv->bus, NULL, NULL, NULL);
gst_bus_set_flushing (downloader->priv->bus, TRUE);
/* set the element state to NULL */
GST_OBJECT_UNLOCK (downloader);
if (download == NULL) {
gst_element_set_state (urisrc, GST_STATE_NULL);
} else {
GstQuery *query;
/* Download successfull, let's query the URI */
query = gst_query_new_uri ();
if (gst_element_query (urisrc, query)) {
gst_query_parse_uri (query, &download->uri);
gst_query_parse_uri_redirection (query, &download->redirect_uri);
gst_query_parse_uri_redirection_permanent (query,
&download->redirect_permanent);
}
gst_query_unref (query);
gst_element_set_state (urisrc, GST_STATE_READY);
}
GST_OBJECT_LOCK (downloader);
gst_element_set_bus (urisrc, NULL);
/* unlink the source element from the internal pad */
pad = gst_pad_get_peer (downloader->priv->pad);
if (pad) {
gst_pad_unlink (pad, downloader->priv->pad);
gst_object_unref (pad);
}
}
GST_OBJECT_UNLOCK (downloader);
if (download == NULL) {
if (!downloader->priv->err) {
g_set_error (err, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_OPEN_READ,
"Failed to download '%s'", uri);
} else {
g_propagate_error (err, downloader->priv->err);
downloader->priv->err = NULL;
}
}
downloader->priv->cancelled = FALSE;
g_mutex_unlock (&downloader->priv->download_lock);
return download;
}
}
/**
* gst_uri_downloader_fetch_uri_with_range:
* @downloader: the #GstUriDownloader
* @uri: the uri
* @range_start: the starting byte index
* @range_end: the final byte index, use -1 for unspecified
*
* Returns the downloaded #GstFragment
*/
GstFragment *
gst_uri_downloader_fetch_uri_with_range (GstUriDownloader * downloader,
const gchar * uri, gint64 range_start, gint64 range_end)
{
GstStateChangeReturn ret;
GstFragment *download = NULL;
GST_DEBUG_OBJECT (downloader, "Fetching URI %s", uri);
g_mutex_lock (&downloader->priv->download_lock);
GST_OBJECT_LOCK (downloader);
if (downloader->priv->cancelled) {
GST_DEBUG_OBJECT (downloader, "Cancelled, aborting fetch");
goto quit;
}
if (!gst_uri_downloader_set_uri (downloader, uri)) {
GST_WARNING_OBJECT (downloader, "Failed to set URI");
goto quit;
}
gst_bus_set_flushing (downloader->priv->bus, FALSE);
downloader->priv->download = gst_fragment_new ();
GST_OBJECT_UNLOCK (downloader);
ret = gst_element_set_state (downloader->priv->urisrc, GST_STATE_READY);
GST_OBJECT_LOCK (downloader);
if (ret == GST_STATE_CHANGE_FAILURE || downloader->priv->download == NULL) {
GST_WARNING_OBJECT (downloader, "Failed to set src to READY");
goto quit;
}
/* might have been cancelled because of failures in state change */
if (downloader->priv->cancelled) {
goto quit;
}
if (!gst_uri_downloader_set_range (downloader, range_start, range_end)) {
GST_WARNING_OBJECT (downloader, "Failed to set range");
goto quit;
}
GST_OBJECT_UNLOCK (downloader);
ret = gst_element_set_state (downloader->priv->urisrc, GST_STATE_PLAYING);
GST_OBJECT_LOCK (downloader);
if (ret == GST_STATE_CHANGE_FAILURE) {
if (downloader->priv->download) {
g_object_unref (downloader->priv->download);
downloader->priv->download = NULL;
}
goto quit;
}
/* might have been cancelled because of failures in state change */
if (downloader->priv->cancelled) {
goto quit;
}
/* wait until:
* - the download succeed (EOS in the src pad)
* - the download failed (Error message on the fetcher bus)
* - the download was canceled
*/
GST_DEBUG_OBJECT (downloader, "Waiting to fetch the URI %s", uri);
while (!downloader->priv->cancelled && !downloader->priv->download->completed)
g_cond_wait (&downloader->priv->cond, GST_OBJECT_GET_LOCK (downloader));
if (downloader->priv->cancelled) {
if (downloader->priv->download) {
g_object_unref (downloader->priv->download);
downloader->priv->download = NULL;
}
goto quit;
}
download = downloader->priv->download;
downloader->priv->download = NULL;
if (download != NULL)
GST_INFO_OBJECT (downloader, "URI fetched successfully");
else
GST_INFO_OBJECT (downloader, "Error fetching URI");
quit:
{
if (downloader->priv->urisrc) {
GstPad *pad;
GstElement *urisrc;
GST_DEBUG_OBJECT (downloader, "Stopping source element %s",
GST_ELEMENT_NAME (downloader->priv->urisrc));
/* remove the bus' sync handler */
gst_bus_set_sync_handler (downloader->priv->bus, NULL, NULL, NULL);
/* unlink the source element from the internal pad */
pad = gst_pad_get_peer (downloader->priv->pad);
if (pad) {
gst_pad_unlink (pad, downloader->priv->pad);
gst_object_unref (pad);
}
urisrc = downloader->priv->urisrc;
downloader->priv->urisrc = NULL;
GST_OBJECT_UNLOCK (downloader);
GST_DEBUG_OBJECT (downloader, "Stopping source element %s",
GST_ELEMENT_NAME (urisrc));
/* set the element state to NULL */
gst_bus_set_flushing (downloader->priv->bus, TRUE);
gst_element_set_state (urisrc, GST_STATE_NULL);
gst_element_get_state (urisrc, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_element_set_bus (urisrc, NULL);
gst_object_unref (urisrc);
} else {
GST_OBJECT_UNLOCK (downloader);
}
g_mutex_unlock (&downloader->priv->download_lock);
return download;
}
}
gboolean
gst_uri_downloader_stream_uri (GstUriDownloader * downloader,
const gchar * uri, gint64 range_start, gint64 range_end,
GstUriDownloaderChainFunction chain_func, gpointer user_data)
{
GstStateChangeReturn ret;
GST_INFO_OBJECT (downloader, "fetching URI %s", uri);
g_mutex_lock (&downloader->download_lock);
downloader->chain = chain_func;
downloader->priv = user_data;
downloader->eos = FALSE;
gst_pad_set_active (downloader->pad, TRUE);
GST_OBJECT_LOCK (downloader);
if (downloader->cancelled)
goto quit;
if (!gst_uri_downloader_set_uri (downloader, uri)) {
GST_ERROR_OBJECT (downloader, "failed to set URI");
goto quit;
}
gst_bus_set_flushing (downloader->bus, FALSE);
GST_OBJECT_UNLOCK (downloader);
/* set to ready state first to allow setting range */
ret = gst_element_set_state (downloader->urisrc, GST_STATE_READY);
GST_OBJECT_LOCK (downloader);
if (ret == GST_STATE_CHANGE_FAILURE) {
GST_ERROR_OBJECT (downloader, "failed to set src to READY");
goto quit;
}
if (downloader->cancelled)
goto quit;
if (!gst_uri_downloader_set_range (downloader, range_start, range_end)) {
GST_ERROR_OBJECT (downloader, "failed to set range");
goto quit;
}
GST_OBJECT_UNLOCK (downloader);
ret = gst_element_set_state (downloader->urisrc, GST_STATE_PLAYING);
GST_OBJECT_LOCK (downloader);
if (ret == GST_STATE_CHANGE_FAILURE) {
GST_ERROR_OBJECT (downloader, "failed to set src to PLAYING");
goto quit;
}
if (downloader->cancelled)
goto quit;
if (!downloader->eos) {
/* wait until:
* - the download succeed (EOS in the src pad)
* - the download failed (Error message on the fetcher bus)
* - the download was canceled
*/
GST_DEBUG_OBJECT (downloader, "waiting to fetch the URI %s", uri);
g_cond_wait (&downloader->cond, GST_OBJECT_GET_LOCK (downloader));
}
quit:
{
gboolean ret = FALSE;
if (downloader->cancelled) {
GST_DEBUG_OBJECT (downloader, "download interrupted");
} else if (downloader->eos) {
GST_DEBUG_OBJECT (downloader, "URI fetched successfully");
ret = TRUE;
}
downloader->cancelled = FALSE;
gst_uri_downloader_stop (downloader);
GST_OBJECT_UNLOCK (downloader);
g_mutex_unlock (&downloader->download_lock);
return ret;
}
}