/* GStreamer * * Copyright (C) 2015 Brijesh Singh * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * SECTION:gstplayer-mediainfo * @title: GstPlayerMediaInfo * @short_description: Player Media Information * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstplayer-media-info.h" #include "gstplayer-media-info-private.h" /* Per-stream information */ G_DEFINE_ABSTRACT_TYPE (GstPlayerStreamInfo, gst_player_stream_info, G_TYPE_OBJECT); static void gst_player_stream_info_init (GstPlayerStreamInfo * sinfo) { sinfo->stream_index = -1; } static void gst_player_stream_info_finalize (GObject * object) { GstPlayerStreamInfo *sinfo = GST_PLAYER_STREAM_INFO (object); g_clear_object (&sinfo->info); G_OBJECT_CLASS (gst_player_stream_info_parent_class)->finalize (object); } static void gst_player_stream_info_class_init (GstPlayerStreamInfoClass * klass) { GObjectClass *gobject_class = (GObjectClass *) klass; gobject_class->finalize = gst_player_stream_info_finalize; } /** * gst_player_stream_info_get_index: * @info: a #GstPlayerStreamInfo * * Function to get stream index from #GstPlayerStreamInfo instance or -1 if * unknown. * * Returns: the stream index of this stream. */ gint gst_player_stream_info_get_index (const GstPlayerStreamInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_STREAM_INFO (info), -1); return info->stream_index; } /** * gst_player_stream_info_get_stream_type: * @info: a #GstPlayerStreamInfo * * Function to return human readable name for the stream type * of the given @info (ex: "audio", "video", "subtitle") * * Returns: a human readable name */ const gchar * gst_player_stream_info_get_stream_type (const GstPlayerStreamInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_STREAM_INFO (info), NULL); return gst_play_stream_info_get_stream_type (info->info); } /** * gst_player_stream_info_get_tags: * @info: a #GstPlayerStreamInfo * * Returns: (transfer none) (nullable): the tags contained in this stream. */ GstTagList * gst_player_stream_info_get_tags (const GstPlayerStreamInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_STREAM_INFO (info), NULL); return gst_play_stream_info_get_tags (info->info); } /** * gst_player_stream_info_get_codec: * @info: a #GstPlayerStreamInfo * * A string describing codec used in #GstPlayerStreamInfo. * * Returns: (nullable): codec string or %NULL on unknown. */ const gchar * gst_player_stream_info_get_codec (const GstPlayerStreamInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_STREAM_INFO (info), NULL); return gst_play_stream_info_get_codec (info->info); } /** * gst_player_stream_info_get_caps: * @info: a #GstPlayerStreamInfo * * Returns: (transfer none) (nullable): the #GstCaps of the stream. */ GstCaps * gst_player_stream_info_get_caps (const GstPlayerStreamInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_STREAM_INFO (info), NULL); return gst_play_stream_info_get_caps (info->info); } /* Video information */ G_DEFINE_TYPE (GstPlayerVideoInfo, gst_player_video_info, GST_TYPE_PLAYER_STREAM_INFO); static void gst_player_video_info_init (G_GNUC_UNUSED GstPlayerVideoInfo * info) { } static void gst_player_video_info_class_init (G_GNUC_UNUSED GstPlayerVideoInfoClass * klass) { /* nothing to do here */ } /** * gst_player_video_info_get_width: * @info: a #GstPlayerVideoInfo * * Returns: the width of video in #GstPlayerVideoInfo or -1 if unknown. */ gint gst_player_video_info_get_width (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return gst_play_video_info_get_width (info->info); } /** * gst_player_video_info_get_height: * @info: a #GstPlayerVideoInfo * * Returns: the height of video in #GstPlayerVideoInfo or -1 if unknown. */ gint gst_player_video_info_get_height (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return gst_play_video_info_get_height (info->info); } /** * gst_player_video_info_get_framerate: * @info: a #GstPlayerVideoInfo * @fps_n: (out): Numerator of frame rate * @fps_d: (out): Denominator of frame rate * */ void gst_player_video_info_get_framerate (const GstPlayerVideoInfo * info, gint * fps_n, gint * fps_d) { g_return_if_fail (GST_IS_PLAYER_VIDEO_INFO (info)); gst_play_video_info_get_framerate (info->info, fps_n, fps_d); } /** * gst_player_video_info_get_pixel_aspect_ratio: * @info: a #GstPlayerVideoInfo * @par_n: (out): numerator * @par_d: (out): denominator * * Returns the pixel aspect ratio in @par_n and @par_d * */ void gst_player_video_info_get_pixel_aspect_ratio (const GstPlayerVideoInfo * info, guint * par_n, guint * par_d) { g_return_if_fail (GST_IS_PLAYER_VIDEO_INFO (info)); gst_play_video_info_get_pixel_aspect_ratio (info->info, par_n, par_d); } /** * gst_player_video_info_get_bitrate: * @info: a #GstPlayerVideoInfo * * Returns: the current bitrate of video in #GstPlayerVideoInfo or -1 if * unknown. */ gint gst_player_video_info_get_bitrate (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return gst_play_video_info_get_bitrate (info->info); } /** * gst_player_video_info_get_max_bitrate: * @info: a #GstPlayerVideoInfo * * Returns: the maximum bitrate of video in #GstPlayerVideoInfo or -1 if * unknown. */ gint gst_player_video_info_get_max_bitrate (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return gst_play_video_info_get_max_bitrate (info->info); } /* Audio information */ G_DEFINE_TYPE (GstPlayerAudioInfo, gst_player_audio_info, GST_TYPE_PLAYER_STREAM_INFO); static void gst_player_audio_info_init (G_GNUC_UNUSED GstPlayerAudioInfo * info) { } static void gst_player_audio_info_finalize (GObject * object) { GstPlayerAudioInfo *info = GST_PLAYER_AUDIO_INFO (object); g_clear_object (&info->info); G_OBJECT_CLASS (gst_player_audio_info_parent_class)->finalize (object); } static void gst_player_audio_info_class_init (GstPlayerAudioInfoClass * klass) { GObjectClass *gobject_class = (GObjectClass *) klass; gobject_class->finalize = gst_player_audio_info_finalize; } /** * gst_player_audio_info_get_language: * @info: a #GstPlayerAudioInfo * * Returns: (nullable): the language of the stream, or NULL if unknown. */ const gchar * gst_player_audio_info_get_language (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), NULL); return gst_play_audio_info_get_language (info->info); } /** * gst_player_audio_info_get_channels: * @info: a #GstPlayerAudioInfo * * Returns: the number of audio channels in #GstPlayerAudioInfo or 0 if * unknown. */ gint gst_player_audio_info_get_channels (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), 0); return gst_play_audio_info_get_channels (info->info); } /** * gst_player_audio_info_get_sample_rate: * @info: a #GstPlayerAudioInfo * * Returns: the audio sample rate in #GstPlayerAudioInfo or 0 if unknown. */ gint gst_player_audio_info_get_sample_rate (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), 0); return gst_play_audio_info_get_sample_rate (info->info); } /** * gst_player_audio_info_get_bitrate: * @info: a #GstPlayerAudioInfo * * Returns: the audio bitrate in #GstPlayerAudioInfo or -1 if unknown. */ gint gst_player_audio_info_get_bitrate (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), -1); return gst_play_audio_info_get_bitrate (info->info); } /** * gst_player_audio_info_get_max_bitrate: * @info: a #GstPlayerAudioInfo * * Returns: the audio maximum bitrate in #GstPlayerAudioInfo or -1 if unknown. */ gint gst_player_audio_info_get_max_bitrate (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), -1); return gst_play_audio_info_get_max_bitrate (info->info); } /* Subtitle information */ G_DEFINE_TYPE (GstPlayerSubtitleInfo, gst_player_subtitle_info, GST_TYPE_PLAYER_STREAM_INFO); static void gst_player_subtitle_info_init (G_GNUC_UNUSED GstPlayerSubtitleInfo * info) { /* nothing to do */ } static void gst_player_subtitle_info_finalize (GObject * object) { GstPlayerSubtitleInfo *info = GST_PLAYER_SUBTITLE_INFO (object); g_clear_object (&info->info); G_OBJECT_CLASS (gst_player_subtitle_info_parent_class)->finalize (object); } static void gst_player_subtitle_info_class_init (GstPlayerSubtitleInfoClass * klass) { GObjectClass *gobject_class = (GObjectClass *) klass; gobject_class->finalize = gst_player_subtitle_info_finalize; } /** * gst_player_subtitle_info_get_language: * @info: a #GstPlayerSubtitleInfo * * Returns: (nullable): the language of the stream, or %NULL if unknown. */ const gchar * gst_player_subtitle_info_get_language (const GstPlayerSubtitleInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_SUBTITLE_INFO (info), NULL); return gst_play_subtitle_info_get_language (info->info); } /* Global media information */ G_DEFINE_TYPE (GstPlayerMediaInfo, gst_player_media_info, G_TYPE_OBJECT); static void gst_player_media_info_init (G_GNUC_UNUSED GstPlayerMediaInfo * info) { } static void gst_player_media_info_finalize (GObject * object) { GstPlayerMediaInfo *info = GST_PLAYER_MEDIA_INFO (object); if (info->audio_stream_list) g_list_free (info->audio_stream_list); if (info->video_stream_list) g_list_free (info->video_stream_list); if (info->subtitle_stream_list) g_list_free (info->subtitle_stream_list); if (info->stream_list) g_list_free_full (info->stream_list, g_object_unref); g_clear_object (&info->info); G_OBJECT_CLASS (gst_player_media_info_parent_class)->finalize (object); } static void gst_player_media_info_class_init (GstPlayerMediaInfoClass * klass) { GObjectClass *oclass = (GObjectClass *) klass; oclass->finalize = gst_player_media_info_finalize; } static GstPlayerVideoInfo * gst_player_video_info_new (void) { return g_object_new (GST_TYPE_PLAYER_VIDEO_INFO, NULL); } static GstPlayerAudioInfo * gst_player_audio_info_new (void) { return g_object_new (GST_TYPE_PLAYER_AUDIO_INFO, NULL); } static GstPlayerSubtitleInfo * gst_player_subtitle_info_new (void) { return g_object_new (GST_TYPE_PLAYER_SUBTITLE_INFO, NULL); } static GstPlayerStreamInfo * gst_player_video_info_copy (GstPlayerVideoInfo * ref) { GstPlayerVideoInfo *ret; ret = gst_player_video_info_new (); ret->info = g_object_ref (ref->info); return (GstPlayerStreamInfo *) ret; } static GstPlayerStreamInfo * gst_player_audio_info_copy (GstPlayerAudioInfo * ref) { GstPlayerAudioInfo *ret; ret = gst_player_audio_info_new (); ret->info = g_object_ref (ref->info); return (GstPlayerStreamInfo *) ret; } static GstPlayerStreamInfo * gst_player_subtitle_info_copy (GstPlayerSubtitleInfo * ref) { GstPlayerSubtitleInfo *ret; ret = gst_player_subtitle_info_new (); ret->info = g_object_ref (ref->info); return (GstPlayerStreamInfo *) ret; } GstPlayerStreamInfo * gst_player_stream_info_copy (GstPlayerStreamInfo * ref) { GstPlayerStreamInfo *info = NULL; if (!ref) return NULL; if (GST_IS_PLAYER_VIDEO_INFO (ref)) info = gst_player_video_info_copy ((GstPlayerVideoInfo *) ref); else if (GST_IS_PLAYER_AUDIO_INFO (ref)) info = gst_player_audio_info_copy ((GstPlayerAudioInfo *) ref); else info = gst_player_subtitle_info_copy ((GstPlayerSubtitleInfo *) ref); info->stream_index = ref->stream_index; return info; } GstPlayerMediaInfo * gst_player_media_info_copy (GstPlayerMediaInfo * ref) { GList *l; GstPlayerMediaInfo *info; if (!ref) return NULL; info = gst_player_media_info_new (); for (l = gst_player_media_info_get_stream_list (ref); l != NULL; l = l->next) { GstPlayerStreamInfo *s; s = gst_player_stream_info_copy ((GstPlayerStreamInfo *) l->data); info->stream_list = g_list_append (info->stream_list, s); if (GST_IS_PLAYER_AUDIO_INFO (s)) info->audio_stream_list = g_list_append (info->audio_stream_list, s); else if (GST_IS_PLAYER_VIDEO_INFO (s)) info->video_stream_list = g_list_append (info->video_stream_list, s); else info->subtitle_stream_list = g_list_append (info->subtitle_stream_list, s); } info->info = g_object_ref (ref->info); return info; } GstPlayerStreamInfo * gst_player_stream_info_new (gint stream_index, GType type) { GstPlayerStreamInfo *info = NULL; if (type == GST_TYPE_PLAYER_AUDIO_INFO) info = (GstPlayerStreamInfo *) gst_player_audio_info_new (); else if (type == GST_TYPE_PLAYER_VIDEO_INFO) info = (GstPlayerStreamInfo *) gst_player_video_info_new (); else info = (GstPlayerStreamInfo *) gst_player_subtitle_info_new (); info->stream_index = stream_index; return info; } GstPlayerStreamInfo * gst_player_stream_info_wrapped (GstPlayStreamInfo * info) { GstPlayerStreamInfo *ret; GType type; if (GST_IS_PLAY_AUDIO_INFO (info)) { type = GST_TYPE_PLAYER_AUDIO_INFO; } else if (GST_IS_PLAY_VIDEO_INFO (info)) { type = GST_TYPE_PLAYER_VIDEO_INFO; } else { type = GST_TYPE_PLAYER_SUBTITLE_INFO; } ret = gst_player_stream_info_new (gst_play_stream_info_get_index (info), type); ret->info = g_object_ref (info); return ret; } GstPlayerMediaInfo * gst_player_media_info_new (void) { return g_object_new (GST_TYPE_PLAYER_MEDIA_INFO, NULL); } GstPlayerMediaInfo * gst_player_media_info_wrapped (GstPlayMediaInfo * info) { GstPlayerMediaInfo *ret; GList *l; ret = gst_player_media_info_new (); ret->info = g_object_ref (info); for (l = gst_play_media_info_get_stream_list (info); l != NULL; l = l->next) { GstPlayerStreamInfo *s; s = gst_player_stream_info_wrapped ((GstPlayStreamInfo *) l->data); ret->stream_list = g_list_append (ret->stream_list, s); if (GST_IS_PLAYER_AUDIO_INFO (s)) { GstPlayerAudioInfo *i = GST_PLAYER_AUDIO_INFO (s); i->info = g_object_ref (GST_PLAY_AUDIO_INFO (l->data)); ret->audio_stream_list = g_list_append (ret->audio_stream_list, i); } else if (GST_IS_PLAYER_VIDEO_INFO (s)) { GstPlayerVideoInfo *i = GST_PLAYER_VIDEO_INFO (s); i->info = g_object_ref (GST_PLAY_VIDEO_INFO (l->data)); ret->video_stream_list = g_list_append (ret->video_stream_list, i); } else { GstPlayerSubtitleInfo *i = GST_PLAYER_SUBTITLE_INFO (s); i->info = g_object_ref (GST_PLAY_SUBTITLE_INFO (l->data)); ret->subtitle_stream_list = g_list_append (ret->subtitle_stream_list, i); } } return ret; } GstPlayerAudioInfo * gst_player_audio_info_wrapped (GstPlayAudioInfo * info) { GstPlayerStreamInfo *s; GstPlayerAudioInfo *i; s = gst_player_stream_info_wrapped ((GstPlayStreamInfo *) info); i = GST_PLAYER_AUDIO_INFO (s); i->info = g_object_ref (info); return i; } GstPlayerVideoInfo * gst_player_video_info_wrapped (GstPlayVideoInfo * info) { GstPlayerStreamInfo *s; GstPlayerVideoInfo *i; s = gst_player_stream_info_wrapped ((GstPlayStreamInfo *) info); i = GST_PLAYER_VIDEO_INFO (s); i->info = g_object_ref (info); return i; } GstPlayerSubtitleInfo * gst_player_subtitle_info_wrapped (GstPlaySubtitleInfo * info) { GstPlayerStreamInfo *s; GstPlayerSubtitleInfo *i; s = gst_player_stream_info_wrapped ((GstPlayStreamInfo *) info); i = GST_PLAYER_SUBTITLE_INFO (s); i->info = g_object_ref (info); return i; } /** * gst_player_media_info_get_uri: * @info: a #GstPlayerMediaInfo * * Returns: the URI associated with #GstPlayerMediaInfo. */ const gchar * gst_player_media_info_get_uri (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return gst_play_media_info_get_uri (info->info); } /** * gst_player_media_info_is_seekable: * @info: a #GstPlayerMediaInfo * * Returns: %TRUE if the media is seekable. */ gboolean gst_player_media_info_is_seekable (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), FALSE); return gst_play_media_info_is_seekable (info->info); } /** * gst_player_media_info_is_live: * @info: a #GstPlayerMediaInfo * * Returns: %TRUE if the media is live. */ gboolean gst_player_media_info_is_live (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), FALSE); return gst_play_media_info_is_live (info->info); } /** * gst_player_media_info_get_stream_list: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (element-type GstPlayerStreamInfo): A #GList of * matching #GstPlayerStreamInfo. */ GList * gst_player_media_info_get_stream_list (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return info->stream_list; } /** * gst_player_media_info_get_video_streams: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (element-type GstPlayerVideoInfo): A #GList of * matching #GstPlayerVideoInfo. */ GList * gst_player_media_info_get_video_streams (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return info->video_stream_list; } /** * gst_player_media_info_get_subtitle_streams: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (element-type GstPlayerSubtitleInfo): A #GList of * matching #GstPlayerSubtitleInfo. */ GList * gst_player_media_info_get_subtitle_streams (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return info->subtitle_stream_list; } /** * gst_player_media_info_get_audio_streams: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (element-type GstPlayerAudioInfo): A #GList of * matching #GstPlayerAudioInfo. */ GList * gst_player_media_info_get_audio_streams (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return info->audio_stream_list; } /** * gst_player_media_info_get_duration: * @info: a #GstPlayerMediaInfo * * Returns: duration of the media or %GST_CLOCK_TIME_NONE if unknown. */ GstClockTime gst_player_media_info_get_duration (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), -1); return gst_play_media_info_get_duration (info->info); } /** * gst_player_media_info_get_tags: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (nullable): the tags contained in media info. */ GstTagList * gst_player_media_info_get_tags (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return gst_play_media_info_get_tags (info->info); } /** * gst_player_media_info_get_title: * @info: a #GstPlayerMediaInfo * * Returns: (nullable): the media title or %NULL if unknown. */ const gchar * gst_player_media_info_get_title (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return gst_play_media_info_get_title (info->info); } /** * gst_player_media_info_get_container_format: * @info: a #GstPlayerMediaInfo * * Returns: (nullable): the container format or %NULL if unknown. */ const gchar * gst_player_media_info_get_container_format (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return gst_play_media_info_get_container_format (info->info); } /** * gst_player_media_info_get_image_sample: * @info: a #GstPlayerMediaInfo * * Function to get the image (or preview-image) stored in taglist. * Application can use `gst_sample_*_()` API's to get caps, buffer etc. * * Returns: (transfer none) (nullable): GstSample or %NULL. */ GstSample * gst_player_media_info_get_image_sample (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return gst_play_media_info_get_image_sample (info->info); } /** * gst_player_media_info_get_number_of_streams: * @info: a #GstPlayerMediaInfo * * Returns: number of total streams or 0 if unknown. * * Since: 1.12 */ guint gst_player_media_info_get_number_of_streams (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), 0); return g_list_length (info->stream_list); } /** * gst_player_media_info_get_number_of_video_streams: * @info: a #GstPlayerMediaInfo * * Returns: number of video streams or 0 if unknown. * * Since: 1.12 */ guint gst_player_media_info_get_number_of_video_streams (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), 0); return g_list_length (info->video_stream_list); } /** * gst_player_media_info_get_number_of_audio_streams: * @info: a #GstPlayerMediaInfo * * Returns: number of audio streams or 0 if unknown. * * Since: 1.12 */ guint gst_player_media_info_get_number_of_audio_streams (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), 0); return g_list_length (info->audio_stream_list); } /** * gst_player_media_info_get_number_of_subtitle_streams: * @info: a #GstPlayerMediaInfo * * Returns: number of subtitle streams or 0 if unknown. * * Since: 1.12 */ guint gst_player_media_info_get_number_of_subtitle_streams (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), 0); return g_list_length (info->subtitle_stream_list); } /** * gst_player_get_video_streams: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (element-type GstPlayerVideoInfo): A #GList of * matching #GstPlayerVideoInfo. */ #ifndef GST_REMOVE_DEPRECATED GList * gst_player_get_video_streams (const GstPlayerMediaInfo * info) { return gst_player_media_info_get_video_streams (info); } #endif /** * gst_player_get_audio_streams: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (element-type GstPlayerAudioInfo): A #GList of * matching #GstPlayerAudioInfo. */ #ifndef GST_REMOVE_DEPRECATED GList * gst_player_get_audio_streams (const GstPlayerMediaInfo * info) { return gst_player_media_info_get_audio_streams (info); } #endif /** * gst_player_get_subtitle_streams: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none) (element-type GstPlayerSubtitleInfo): A #GList of * matching #GstPlayerSubtitleInfo. */ #ifndef GST_REMOVE_DEPRECATED GList * gst_player_get_subtitle_streams (const GstPlayerMediaInfo * info) { return gst_player_media_info_get_subtitle_streams (info); } #endif