gstreamer/subprojects/gst-editing-services/ges/ges-uri-asset.c
Thibault Saunier 37602d1d02 ges: Keep internal stream selection messages internally
Timeline StreamCollection are very specific to inner working of nested
timelines and should not interfere with the usual stream selection
process and are now handled as element messages.

Stream selection inside `nleobject` need to be handled internally by the
application or GES itself so we should just drop all those as they would
interfere and fail if they are exposed to other elements.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5983>
2024-01-31 17:37:41 +00:00

955 lines
26 KiB
C

/* GStreamer Editing Services
*
* Copyright (C) 2012 Thibault Saunier <thibault.saunier@collabora.com>
* Copyright (C) 2012 Volodymyr Rudyi <vladimir.rudoy@gmail.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.
*/
/**
* SECTION: gesuriasset
* @title: GESUriClipAsset
* @short_description: A GESAsset subclass specialized in GESUriClip extraction
*
* The #GESUriClipAsset is a special #GESAsset that lets you handle
* the media file to use inside the GStreamer Editing Services. It has APIs that
* let you get information about the medias. Also, the tags found in the media file are
* set as Metadata of the Asset.
*/
#include "ges-discoverer-manager.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <gst/pbutils/pbutils.h>
#include "ges.h"
#include "ges-internal.h"
#include "ges-track-element-asset.h"
#define DEFAULT_DISCOVERY_TIMEOUT (60 * GST_SECOND)
static GHashTable *parent_newparent_table = NULL;
static void discoverer_discovered_cb (GstDiscoverer * discoverer,
GstDiscovererInfo * info, GError * err, gpointer user_data);
static void
initable_iface_init (GInitableIface * initable_iface)
{
/* We can not iniate synchronously */
initable_iface->init = NULL;
}
/* TODO: We should monitor files here, and add some way of reporting changes
* to user
*/
enum
{
PROP_0,
PROP_DURATION,
PROP_IS_NESTED_TIMELINE,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
struct _GESUriClipAssetPrivate
{
GstDiscovererInfo *info;
GstClockTime duration;
GstClockTime max_duration;
gboolean is_image;
gboolean is_nested_timeline;
GList *asset_trackfilesources;
};
typedef struct
{
GMainLoop *ml;
GESAsset *asset;
GError *error;
} RequestSyncData;
struct _GESUriSourceAssetPrivate
{
GstDiscovererStreamInfo *sinfo;
GESUriClipAsset *creator_asset;
const gchar *uri;
};
G_DEFINE_TYPE_WITH_CODE (GESUriClipAsset, ges_uri_clip_asset,
GES_TYPE_SOURCE_CLIP_ASSET, G_ADD_PRIVATE (GESUriClipAsset)
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, initable_iface_init));
static void
ges_uri_clip_asset_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESUriClipAssetPrivate *priv = GES_URI_CLIP_ASSET (object)->priv;
switch (property_id) {
case PROP_DURATION:
g_value_set_uint64 (value, priv->duration);
break;
case PROP_IS_NESTED_TIMELINE:
g_value_set_boolean (value, priv->is_nested_timeline);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_uri_clip_asset_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GESUriClipAssetPrivate *priv = GES_URI_CLIP_ASSET (object)->priv;
switch (property_id) {
case PROP_DURATION:
priv->duration = g_value_get_uint64 (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static GESAssetLoadingReturn
_start_loading (GESAsset * asset, GError ** error)
{
gboolean ret;
const gchar *uri;
GESDiscovererManager *manager = ges_discoverer_manager_get_default ();
uri = ges_asset_get_id (asset);
GST_DEBUG_OBJECT (manager, "Started loading %s", uri);
ret = ges_discoverer_manager_start_discovery (manager, uri);
gst_object_unref (manager);
if (ret)
return GES_ASSET_LOADING_ASYNC;
return GES_ASSET_LOADING_ERROR;
}
static gboolean
_request_id_update (GESAsset * self, gchar ** proposed_new_id, GError * error)
{
if (error->domain == GST_RESOURCE_ERROR &&
(error->code == GST_RESOURCE_ERROR_NOT_FOUND ||
error->code == GST_RESOURCE_ERROR_OPEN_READ)) {
const gchar *uri = ges_asset_get_id (self);
GFile *parent, *file = g_file_new_for_uri (uri);
/* Check if we have the new parent in cache */
parent = g_file_get_parent (file);
if (parent) {
GFile *new_parent = g_hash_table_lookup (parent_newparent_table, parent);
if (new_parent) {
gchar *basename = g_file_get_basename (file);
GFile *new_file = g_file_get_child (new_parent, basename);
/* FIXME Handle the GCancellable */
if (g_file_query_exists (new_file, NULL)) {
*proposed_new_id = g_file_get_uri (new_file);
GST_DEBUG_OBJECT (self, "Proposing path: %s as proxy",
*proposed_new_id);
}
gst_object_unref (new_file);
g_free (basename);
}
gst_object_unref (parent);
}
gst_object_unref (file);
return TRUE;
}
return FALSE;
}
static gboolean
ges_uri_source_asset_get_natural_framerate (GESTrackElementAsset * asset,
gint * framerate_n, gint * framerate_d)
{
GESUriSourceAssetPrivate *priv = GES_URI_SOURCE_ASSET (asset)->priv;
if (!GST_IS_DISCOVERER_VIDEO_INFO (priv->sinfo))
return FALSE;
*framerate_d =
gst_discoverer_video_info_get_framerate_denom (GST_DISCOVERER_VIDEO_INFO
(priv->sinfo));
*framerate_n =
gst_discoverer_video_info_get_framerate_num (GST_DISCOVERER_VIDEO_INFO
(priv->sinfo));
if ((*framerate_n == 0 && *framerate_d == 1) || *framerate_d == 0
|| *framerate_d == G_MAXINT) {
GST_INFO_OBJECT (asset, "No framerate information about the file.");
*framerate_n = 0;
*framerate_d = -1;
return FALSE;
}
return TRUE;
}
static gboolean
_get_natural_framerate (GESClipAsset * self, gint * framerate_n,
gint * framerate_d)
{
GList *tmp;
for (tmp = (GList *)
ges_uri_clip_asset_get_stream_assets (GES_URI_CLIP_ASSET (self)); tmp;
tmp = tmp->next) {
if (ges_track_element_asset_get_natural_framerate (tmp->data, framerate_n,
framerate_d))
return TRUE;
}
return FALSE;
}
static void
_asset_proxied (GESAsset * self, const gchar * new_uri)
{
const gchar *uri = ges_asset_get_id (self);
GFile *parent, *new_parent, *new_file = g_file_new_for_uri (new_uri),
*file = g_file_new_for_uri (uri);
parent = g_file_get_parent (file);
new_parent = g_file_get_parent (new_file);
g_hash_table_insert (parent_newparent_table, parent, new_parent);
gst_object_unref (file);
gst_object_unref (new_file);
}
static void
ges_uri_clip_asset_dispose (GObject * object)
{
GESUriClipAsset *self = GES_URI_CLIP_ASSET (object);
GESUriClipAssetPrivate *prif = self->priv;
if (prif->asset_trackfilesources) {
g_list_free_full (prif->asset_trackfilesources,
(GDestroyNotify) gst_object_unref);
prif->asset_trackfilesources = NULL;
}
gst_clear_object (&prif->info);
G_OBJECT_CLASS (ges_uri_clip_asset_parent_class)->dispose (object);
}
static void
ges_uri_clip_asset_class_init (GESUriClipAssetClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = ges_uri_clip_asset_get_property;
object_class->set_property = ges_uri_clip_asset_set_property;
object_class->dispose = ges_uri_clip_asset_dispose;
GES_ASSET_CLASS (klass)->start_loading = _start_loading;
GES_ASSET_CLASS (klass)->request_id_update = _request_id_update;
GES_ASSET_CLASS (klass)->inform_proxy = _asset_proxied;
GES_CLIP_ASSET_CLASS (klass)->get_natural_framerate = _get_natural_framerate;
klass->discovered = discoverer_discovered_cb;
/**
* GESUriClipAsset:duration:
*
* The duration (in nanoseconds) of the media file
*/
properties[PROP_DURATION] =
g_param_spec_uint64 ("duration", "Duration", "The duration to use", 0,
G_MAXUINT64, GST_CLOCK_TIME_NONE, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_DURATION,
properties[PROP_DURATION]);
/**
* GESUriClipAsset:is-nested-timeline:
*
* The duration (in nanoseconds) of the media file
*
* Since: 1.18
*/
properties[PROP_IS_NESTED_TIMELINE] =
g_param_spec_boolean ("is-nested-timeline", "Is nested timeline",
"Whether this is a nested timeline", FALSE, G_PARAM_READABLE);
g_object_class_install_property (object_class, PROP_IS_NESTED_TIMELINE,
properties[PROP_IS_NESTED_TIMELINE]);
_ges_uri_asset_ensure_setup (klass);
}
static void
ges_uri_clip_asset_init (GESUriClipAsset * self)
{
GESUriClipAssetPrivate *priv;
priv = self->priv = ges_uri_clip_asset_get_instance_private (self);
priv->info = NULL;
priv->max_duration = priv->duration = GST_CLOCK_TIME_NONE;
priv->is_image = FALSE;
}
static void
_create_uri_source_asset (GESUriClipAsset * asset,
GstDiscovererStreamInfo * sinfo, GESTrackType type)
{
GESAsset *src_asset;
GESUriSourceAssetPrivate *src_priv;
GESUriClipAssetPrivate *priv = asset->priv;
gchar *stream_id =
g_strdup (gst_discoverer_stream_info_get_stream_id (sinfo));
if (stream_id == NULL) {
GST_WARNING_OBJECT (asset,
"No stream ID, ignoring stream info: %p off type: %s", sinfo,
ges_track_type_name (type));
return;
}
if (type == GES_TRACK_TYPE_VIDEO) {
src_asset = ges_asset_request (GES_TYPE_VIDEO_URI_SOURCE, stream_id, NULL);
} else if (type == GES_TRACK_TYPE_AUDIO) {
src_asset = ges_asset_request (GES_TYPE_AUDIO_URI_SOURCE, stream_id, NULL);
} else {
GST_INFO_OBJECT (asset,
"Unknown track type %d, not creating any asset backing it", type);
return;
}
g_free (stream_id);
src_priv = GES_URI_SOURCE_ASSET (src_asset)->priv;
src_priv->uri = ges_asset_get_id (GES_ASSET (asset));
src_priv->sinfo = gst_object_ref (sinfo);
src_priv->creator_asset = asset;
ges_track_element_asset_set_track_type (GES_TRACK_ELEMENT_ASSET
(src_asset), type);
priv->is_image |=
ges_uri_source_asset_is_image (GES_URI_SOURCE_ASSET (src_asset));
priv->asset_trackfilesources =
g_list_append (priv->asset_trackfilesources, src_asset);
}
static void
ges_uri_clip_asset_set_info (GESUriClipAsset * self, GstDiscovererInfo * info)
{
GList *tmp, *stream_list;
GESTrackType supportedformats = GES_TRACK_TYPE_UNKNOWN;
GESUriClipAssetPrivate *priv = GES_URI_CLIP_ASSET (self)->priv;
const GstTagList *tlist = gst_discoverer_info_get_tags (info);
/* Extract infos from the GstDiscovererInfo */
stream_list = gst_discoverer_info_get_stream_list (info);
for (tmp = stream_list; tmp; tmp = tmp->next) {
GESTrackType type = GES_TRACK_TYPE_UNKNOWN;
GstDiscovererStreamInfo *sinf = (GstDiscovererStreamInfo *) tmp->data;
if (GST_IS_DISCOVERER_AUDIO_INFO (sinf)) {
if (supportedformats == GES_TRACK_TYPE_UNKNOWN)
supportedformats = GES_TRACK_TYPE_AUDIO;
else
supportedformats |= GES_TRACK_TYPE_AUDIO;
type = GES_TRACK_TYPE_AUDIO;
} else if (GST_IS_DISCOVERER_VIDEO_INFO (sinf)) {
if (supportedformats == GES_TRACK_TYPE_UNKNOWN)
supportedformats = GES_TRACK_TYPE_VIDEO;
else
supportedformats |= GES_TRACK_TYPE_VIDEO;
type = GES_TRACK_TYPE_VIDEO;
}
GST_DEBUG_OBJECT (self, "Creating GESUriSourceAsset for stream: %s",
gst_discoverer_stream_info_get_stream_id (sinf));
_create_uri_source_asset (self, sinf, type);
}
ges_clip_asset_set_supported_formats (GES_CLIP_ASSET
(self), supportedformats);
if (stream_list)
gst_discoverer_stream_info_list_free (stream_list);
if (tlist)
gst_tag_list_get_boolean (tlist, "is-ges-timeline",
&priv->is_nested_timeline);
if (priv->is_image == FALSE) {
priv->max_duration = priv->duration =
gst_discoverer_info_get_duration (info);
if (priv->is_nested_timeline)
priv->max_duration = GST_CLOCK_TIME_NONE;
}
/* else we keep #GST_CLOCK_TIME_NONE */
priv->info = gst_object_ref (info);
}
static void
_set_meta_file_size (const gchar * uri, GESUriClipAsset * asset)
{
GError *error = NULL;
GFileInfo *file_info = NULL;
guint64 file_size;
GFile *gfile = NULL;
GESMetaContainer *container = GES_META_CONTAINER (asset);
gfile = g_file_new_for_uri (uri);
file_info = g_file_query_info (gfile, "standard::size",
G_FILE_QUERY_INFO_NONE, NULL, &error);
if (!error) {
file_size = g_file_info_get_attribute_uint64 (file_info, "standard::size");
ges_meta_container_register_meta_uint64 (container, GES_META_READ_WRITE,
"file-size", file_size);
} else {
g_error_free (error);
}
if (gfile)
g_object_unref (gfile);
if (file_info)
g_object_unref (file_info);
}
static void
_set_meta_foreach (const GstTagList * tags, const gchar * tag,
GESMetaContainer * container)
{
GValue value = { 0 };
if (gst_tag_list_copy_value (&value, tags, tag)) {
ges_meta_container_set_meta (container, tag, &value);
g_value_unset (&value);
} else {
GST_INFO ("Could not set metadata: %s", tag);
}
}
static void
discoverer_discovered_cb (GstDiscoverer * _object,
GstDiscovererInfo * info, GError * err, gpointer user_data)
{
GError *error = NULL;
const GstTagList *tags;
const gchar *uri = gst_discoverer_info_get_uri (info);
GESUriClipAsset *mfs =
GES_URI_CLIP_ASSET (ges_asset_cache_lookup (GES_TYPE_URI_CLIP, uri));
tags = gst_discoverer_info_get_tags (info);
if (tags)
gst_tag_list_foreach (tags, (GstTagForeachFunc) _set_meta_foreach, mfs);
_set_meta_file_size (uri, mfs);
if (gst_discoverer_info_get_result (info) == GST_DISCOVERER_OK
|| gst_discoverer_info_get_result (info) ==
GST_DISCOVERER_MISSING_PLUGINS) {
ges_uri_clip_asset_set_info (mfs, info);
} else {
if (err) {
error = g_error_copy (err);
} else {
error = g_error_new (GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Stream %s discovering failed (error code: %d)",
uri, gst_discoverer_info_get_result (info));
}
}
ges_asset_cache_set_loaded (GES_TYPE_URI_CLIP, uri, error);
if (error)
g_error_free (error);
}
static void
asset_ready_cb (GESAsset * source, GAsyncResult * res, RequestSyncData * data)
{
data->asset = ges_asset_request_finish (res, &data->error);
if (data->error) {
gchar *possible_uri = ges_uri_asset_try_update_id (data->error, source);
if (possible_uri) {
ges_asset_try_proxy (source, possible_uri);
g_clear_error (&data->error);
ges_asset_request_async (GES_TYPE_URI_CLIP, possible_uri, NULL,
(GAsyncReadyCallback) asset_ready_cb, data);
g_free (possible_uri);
return;
}
}
g_main_loop_quit (data->ml);
}
/* API implementation */
/**
* ges_uri_clip_asset_get_info:
* @self: Target asset
*
* Gets #GstDiscovererInfo about the file
*
* Returns: (transfer none): #GstDiscovererInfo of specified asset
*/
GstDiscovererInfo *
ges_uri_clip_asset_get_info (const GESUriClipAsset * self)
{
g_return_val_if_fail (GES_IS_URI_CLIP_ASSET ((GESUriClipAsset *) self), NULL);
return self->priv->info;
}
/**
* ges_uri_clip_asset_get_duration:
* @self: a #GESUriClipAsset
*
* Gets duration of the file represented by @self
*
* Returns: The duration of @self
*/
GstClockTime
ges_uri_clip_asset_get_duration (GESUriClipAsset * self)
{
g_return_val_if_fail (GES_IS_URI_CLIP_ASSET (self), GST_CLOCK_TIME_NONE);
return self->priv->duration;
}
/**
* ges_uri_clip_asset_get_max_duration:
* @self: a #GESUriClipAsset
*
* Gets maximum duration of the file represented by @self,
* it is usually the same as GESUriClipAsset::duration,
* but in the case of nested timelines, for example, they
* are different as those can be extended 'infinitely'.
*
* Returns: The maximum duration of @self
*
* Since: 1.18
*/
GstClockTime
ges_uri_clip_asset_get_max_duration (GESUriClipAsset * self)
{
g_return_val_if_fail (GES_IS_URI_CLIP_ASSET (self), GST_CLOCK_TIME_NONE);
return self->priv->max_duration;
}
/**
* ges_uri_clip_asset_is_image:
* @self: a #GESUriClipAsset
*
* Gets Whether the file represented by @self is an image or not
*
* Returns: Whether the file represented by @self is an image or not
*
* Since: 1.18
*/
gboolean
ges_uri_clip_asset_is_image (GESUriClipAsset * self)
{
g_return_val_if_fail (GES_IS_URI_CLIP_ASSET (self), FALSE);
return self->priv->is_image;
}
/**
* ges_uri_clip_asset_new:
* @uri: The URI of the file for which to create a #GESUriClipAsset
* @cancellable: optional %GCancellable object, %NULL to ignore.
* @callback: (scope async): a #GAsyncReadyCallback to call when the initialization is finished
* @user_data: The user data to pass when @callback is called
*
* Creates a #GESUriClipAsset for @uri
*
* Example of request of a GESUriClipAsset:
* |[
* // The request callback
* static void
* filesource_asset_loaded_cb (GESAsset * source, GAsyncResult * res, gpointer user_data)
* {
* GError *error = NULL;
* GESUriClipAsset *filesource_asset;
*
* filesource_asset = ges_uri_clip_asset_finish (res, &error);
* if (filesource_asset) {
* gst_print ("The file: %s is usable as a FileSource, it is%s an image and lasts %" GST_TIME_FORMAT,
* ges_asset_get_id (GES_ASSET (filesource_asset))
* ges_uri_clip_asset_is_image (filesource_asset) ? "" : " not",
* GST_TIME_ARGS (ges_uri_clip_asset_get_duration (filesource_asset));
* } else {
* gst_print ("The file: %s is *not* usable as a FileSource because: %s",
* ges_asset_get_id (source), error->message);
* }
*
* gst_object_unref (mfs);
* }
*
* // The request:
* ges_uri_clip_asset_new (uri, (GAsyncReadyCallback) filesource_asset_loaded_cb, user_data);
* ]|
*/
void
ges_uri_clip_asset_new (const gchar * uri, GCancellable * cancellable,
GAsyncReadyCallback callback, gpointer user_data)
{
ges_asset_request_async (GES_TYPE_URI_CLIP, uri, cancellable,
callback, user_data);
}
/**
* ges_uri_clip_asset_finish:
* @res: The #GAsyncResult from which to get the newly created #GESUriClipAsset
* @error: An error to be set in case something wrong happens or %NULL
*
* Finalize the request of an async #GESUriClipAsset
*
* Returns: (transfer full): The #GESUriClipAsset previously requested
*
* Since: 1.16
*/
GESUriClipAsset *
ges_uri_clip_asset_finish (GAsyncResult * res, GError ** error)
{
GESAsset *asset;
g_return_val_if_fail (G_IS_ASYNC_RESULT (res), NULL);
asset = ges_asset_request_finish (res, error);
if (asset != NULL) {
return GES_URI_CLIP_ASSET (asset);
}
return NULL;
}
/**
* ges_uri_clip_asset_request_sync:
* @uri: The URI of the file for which to create a #GESUriClipAsset.
* You can also use multi file uris for #GESMultiFileSource.
* @error: An error to be set in case something wrong happens or %NULL
*
* Creates a #GESUriClipAsset for @uri synchonously. You should avoid
* to use it in application, and rather create #GESUriClipAsset asynchronously
*
* Returns: (transfer full): A reference to the requested asset or %NULL if
* an error happened
*/
GESUriClipAsset *
ges_uri_clip_asset_request_sync (const gchar * uri, GError ** error)
{
GError *lerror = NULL;
GESUriClipAsset *asset;
RequestSyncData data = { 0, };
asset = GES_URI_CLIP_ASSET (ges_asset_request (GES_TYPE_URI_CLIP, uri,
&lerror));
if (asset)
return asset;
data.ml = g_main_loop_new (NULL, TRUE);
ges_asset_request_async (GES_TYPE_URI_CLIP, uri, NULL,
(GAsyncReadyCallback) asset_ready_cb, &data);
g_main_loop_run (data.ml);
g_main_loop_unref (data.ml);
if (data.error) {
GST_ERROR ("Got an error requesting asset: %s", data.error->message);
if (error != NULL)
g_propagate_error (error, data.error);
return NULL;
}
return GES_URI_CLIP_ASSET (data.asset);
}
/**
* ges_uri_clip_asset_class_set_timeout:
* @klass: The #GESUriClipAssetClass on which to set the discoverer timeout
* @timeout: The timeout to set
*
* Sets the timeout of #GESUriClipAsset loading
*
* Deprecated: 1.24: ges_discoverer_manager_set_timeout() should be used instead
*/
void
ges_uri_clip_asset_class_set_timeout (GESUriClipAssetClass * klass,
GstClockTime timeout)
{
GESDiscovererManager *manager;
g_return_if_fail (GES_IS_URI_CLIP_ASSET_CLASS (klass));
manager = ges_discoverer_manager_get_default ();
ges_discoverer_manager_set_timeout (manager, timeout);
gst_object_unref (manager);
}
/**
* ges_uri_clip_asset_get_stream_assets:
* @self: A #GESUriClipAsset
*
* Get the GESUriSourceAsset @self containes
*
* Returns: (transfer none) (element-type GESUriSourceAsset): a
* #GList of #GESUriSourceAsset
*/
const GList *
ges_uri_clip_asset_get_stream_assets (GESUriClipAsset * self)
{
g_return_val_if_fail (GES_IS_URI_CLIP_ASSET (self), FALSE);
return self->priv->asset_trackfilesources;
}
/*****************************************************************
* GESUriSourceAsset implementation *
*****************************************************************/
G_DEFINE_TYPE_WITH_PRIVATE (GESUriSourceAsset, ges_uri_source_asset,
GES_TYPE_TRACK_ELEMENT_ASSET);
static GESExtractable *
_extract (GESAsset * asset, GError ** error)
{
gchar *uri = NULL;
GESTrackElement *trackelement;
GESUriSourceAssetPrivate *priv = GES_URI_SOURCE_ASSET (asset)->priv;
if (GST_IS_DISCOVERER_STREAM_INFO (priv->sinfo) == FALSE) {
GST_WARNING_OBJECT (asset, "Can not extract as no stream info set");
return NULL;
}
if (priv->uri == NULL) {
GST_WARNING_OBJECT (asset, "Can not extract as no uri set");
return NULL;
}
uri = g_strdup (priv->uri);
if (g_str_has_prefix (priv->uri, GES_MULTI_FILE_URI_PREFIX))
trackelement = GES_TRACK_ELEMENT (ges_multi_file_source_new (uri));
else if (GST_IS_DISCOVERER_VIDEO_INFO (priv->sinfo))
trackelement = GES_TRACK_ELEMENT (ges_video_uri_source_new (uri));
else
trackelement = GES_TRACK_ELEMENT (ges_audio_uri_source_new (uri));
ges_track_element_set_track_type (trackelement,
ges_track_element_asset_get_track_type (GES_TRACK_ELEMENT_ASSET (asset)));
g_free (uri);
return GES_EXTRACTABLE (trackelement);
}
static void
ges_uri_source_asset_dispose (GObject * object)
{
GESUriSourceAsset *self = GES_URI_SOURCE_ASSET (object);
GESUriSourceAssetPrivate *priv = self->priv;
gst_clear_object (&priv->sinfo);
G_OBJECT_CLASS (ges_uri_source_asset_parent_class)->dispose (object);
}
static void
ges_uri_source_asset_class_init (GESUriSourceAssetClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = ges_uri_source_asset_dispose;
GES_ASSET_CLASS (klass)->extract = _extract;
GES_TRACK_ELEMENT_ASSET_CLASS (klass)->get_natural_framerate =
ges_uri_source_asset_get_natural_framerate;
}
static void
ges_uri_source_asset_init (GESUriSourceAsset * self)
{
GESUriSourceAssetPrivate *priv;
priv = self->priv = ges_uri_source_asset_get_instance_private (self);
priv->sinfo = NULL;
priv->creator_asset = NULL;
priv->uri = NULL;
}
/**
* ges_uri_source_asset_get_stream_info:
* @asset: A #GESUriClipAsset
*
* Get the #GstDiscovererStreamInfo user by @asset
*
* Returns: (transfer none): a #GESUriClipAsset
*/
GstDiscovererStreamInfo *
ges_uri_source_asset_get_stream_info (GESUriSourceAsset * asset)
{
g_return_val_if_fail (GES_IS_URI_SOURCE_ASSET (asset), NULL);
return asset->priv->sinfo;
}
const gchar *
ges_uri_source_asset_get_stream_uri (GESUriSourceAsset * asset)
{
g_return_val_if_fail (GES_IS_URI_SOURCE_ASSET (asset), NULL);
return asset->priv->uri;
}
/**
* ges_uri_source_asset_get_filesource_asset:
* @asset: A #GESUriClipAsset
*
* Get the #GESUriClipAsset @self is contained in
*
* Returns: a #GESUriClipAsset
*/
const GESUriClipAsset *
ges_uri_source_asset_get_filesource_asset (GESUriSourceAsset * asset)
{
g_return_val_if_fail (GES_IS_URI_SOURCE_ASSET (asset), NULL);
return asset->priv->creator_asset;
}
/**
* ges_uri_source_asset_is_image:
* @asset: A #GESUriClipAsset
*
* Check if @asset contains a single image
*
* Returns: %TRUE if the video stream corresponds to an image (i.e. only
* contains one frame)
*
* Since: 1.18
*/
gboolean
ges_uri_source_asset_is_image (GESUriSourceAsset * asset)
{
g_return_val_if_fail (GES_IS_URI_SOURCE_ASSET (asset), FALSE);
if (!GST_IS_DISCOVERER_VIDEO_INFO (asset->priv->sinfo))
return FALSE;
return gst_discoverer_video_info_is_image ((GstDiscovererVideoInfo *)
asset->priv->sinfo);
}
void
_ges_uri_asset_cleanup (void)
{
if (parent_newparent_table) {
g_hash_table_destroy (parent_newparent_table);
parent_newparent_table = NULL;
}
gst_clear_object (&GES_URI_CLIP_ASSET_CLASS (g_type_class_peek
(GES_TYPE_URI_CLIP_ASSET))->discoverer);
ges_discoverer_manager_cleanup ();
}
gboolean
_ges_uri_asset_ensure_setup (gpointer uriasset_class)
{
GESUriClipAssetClass *klass;
GError *err;
GstClockTime timeout;
const gchar *timeout_str;
GstDiscoverer *discoverer = NULL;
g_return_val_if_fail (GES_IS_URI_CLIP_ASSET_CLASS (uriasset_class), FALSE);
klass = GES_URI_CLIP_ASSET_CLASS (uriasset_class);
timeout = DEFAULT_DISCOVERY_TIMEOUT;
errno = 0;
timeout_str = g_getenv ("GES_DISCOVERY_TIMEOUT");
if (timeout_str)
timeout = g_ascii_strtod (timeout_str, NULL) * GST_SECOND;
else
errno = 10;
if (errno)
timeout = DEFAULT_DISCOVERY_TIMEOUT;
/* The class structure keeps weak pointers on the discoverers so they
* can be properly cleaned up in _ges_uri_asset_cleanup(). */
if (!klass->discoverer) {
GESDiscovererManager *manager = ges_discoverer_manager_get_default ();
ges_discoverer_manager_set_timeout (manager, timeout);
g_signal_connect (manager, "discovered",
G_CALLBACK (discoverer_discovered_cb), NULL);
gst_object_unref (manager);
discoverer = gst_discoverer_new (timeout, &err);
if (!discoverer) {
GST_ERROR ("Could not create discoverer: %s", err->message);
g_error_free (err);
return FALSE;
}
/* Keep legacy handling of discoverer, even if not used */
klass->discoverer = klass->sync_discoverer = discoverer;
g_object_add_weak_pointer (G_OBJECT (discoverer),
(gpointer *) & klass->discoverer);
g_object_add_weak_pointer (G_OBJECT (discoverer),
(gpointer *) & klass->sync_discoverer);
g_signal_connect (klass->discoverer, "discovered",
G_CALLBACK (klass->discovered), NULL);
gst_discoverer_start (klass->discoverer);
}
/* We just start the discoverer and let it live */
if (parent_newparent_table == NULL) {
parent_newparent_table = g_hash_table_new_full (g_file_hash,
(GEqualFunc) g_file_equal, g_object_unref, g_object_unref);
}
return TRUE;
}