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;
}
}
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;
}
}