/* 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_free (sinfo->codec); g_free (sinfo->stream_id); if (sinfo->caps) gst_caps_unref (sinfo->caps); if (sinfo->tags) gst_tag_list_unref (sinfo->tags); 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. * * 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); if (GST_IS_PLAYER_VIDEO_INFO (info)) return "video"; else if (GST_IS_PLAYER_AUDIO_INFO (info)) return "audio"; else return "subtitle"; } /** * gst_player_stream_info_get_tags: * @info: a #GstPlayerStreamInfo * * Returns: (transfer none): 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 info->tags; } /** * gst_player_stream_info_get_codec: * @info: a #GstPlayerStreamInfo * * A string describing codec used in #GstPlayerStreamInfo. * * Returns: 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 info->codec; } /** * gst_player_stream_info_get_caps: * @info: a #GstPlayerStreamInfo * * Returns: (transfer none): 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 info->caps; } /* Video information */ G_DEFINE_TYPE (GstPlayerVideoInfo, gst_player_video_info, GST_TYPE_PLAYER_STREAM_INFO); static void gst_player_video_info_init (GstPlayerVideoInfo * info) { info->width = -1; info->height = -1; info->framerate_num = 0; info->framerate_denom = 1; info->par_num = 1; info->par_denom = 1; } 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. */ gint gst_player_video_info_get_width (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return info->width; } /** * gst_player_video_info_get_height: * @info: a #GstPlayerVideoInfo * * Returns: the height of video in #GstPlayerVideoInfo. */ gint gst_player_video_info_get_height (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return info->height; } /** * 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)); *fps_n = info->framerate_num; *fps_d = info->framerate_denom; } /** * 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)); *par_n = info->par_num; *par_d = info->par_denom; } /** * gst_player_video_info_get_bitrate: * @info: a #GstPlayerVideoInfo * * Returns: the current bitrate of video in #GstPlayerVideoInfo. */ gint gst_player_video_info_get_bitrate (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return info->bitrate; } /** * gst_player_video_info_get_max_bitrate: * @info: a #GstPlayerVideoInfo * * Returns: the maximum bitrate of video in #GstPlayerVideoInfo. */ gint gst_player_video_info_get_max_bitrate (const GstPlayerVideoInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_VIDEO_INFO (info), -1); return info->max_bitrate; } /* Audio information */ G_DEFINE_TYPE (GstPlayerAudioInfo, gst_player_audio_info, GST_TYPE_PLAYER_STREAM_INFO); static void gst_player_audio_info_init (GstPlayerAudioInfo * info) { info->channels = 0; info->sample_rate = 0; info->bitrate = -1; info->max_bitrate = -1; } static void gst_player_audio_info_finalize (GObject * object) { GstPlayerAudioInfo *info = GST_PLAYER_AUDIO_INFO (object); g_free (info->language); 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: 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 info->language; } /** * gst_player_audio_info_get_channels: * @info: a #GstPlayerAudioInfo * * Returns: the number of audio channels in #GstPlayerAudioInfo. */ gint gst_player_audio_info_get_channels (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), 0); return info->channels; } /** * gst_player_audio_info_get_sample_rate: * @info: a #GstPlayerAudioInfo * * Returns: the audio sample rate in #GstPlayerAudioInfo. */ gint gst_player_audio_info_get_sample_rate (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), 0); return info->sample_rate; } /** * gst_player_audio_info_get_bitrate: * @info: a #GstPlayerAudioInfo * * Returns: the audio bitrate in #GstPlayerAudioInfo. */ gint gst_player_audio_info_get_bitrate (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), -1); return info->bitrate; } /** * gst_player_audio_info_get_max_bitrate: * @info: a #GstPlayerAudioInfo * * Returns: the audio maximum bitrate in #GstPlayerAudioInfo. */ gint gst_player_audio_info_get_max_bitrate (const GstPlayerAudioInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_AUDIO_INFO (info), -1); return info->max_bitrate; } /* 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_free (info->language); 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: 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 info->language; } /* Global media information */ G_DEFINE_TYPE (GstPlayerMediaInfo, gst_player_media_info, G_TYPE_OBJECT); static void gst_player_media_info_init (GstPlayerMediaInfo * info) { info->duration = -1; info->is_live = FALSE; info->seekable = FALSE; } static void gst_player_media_info_finalize (GObject * object) { GstPlayerMediaInfo *info = GST_PLAYER_MEDIA_INFO (object); g_free (info->uri); if (info->tags) gst_tag_list_unref (info->tags); g_free (info->title); g_free (info->container); if (info->image_sample) gst_sample_unref (info->image_sample); 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_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->width = ref->width; ret->height = ref->height; ret->framerate_num = ref->framerate_num; ret->framerate_denom = ref->framerate_denom; ret->par_num = ref->par_num; ret->par_denom = ref->par_denom; ret->bitrate = ref->bitrate; ret->max_bitrate = ref->max_bitrate; return (GstPlayerStreamInfo *) ret; } static GstPlayerStreamInfo * gst_player_audio_info_copy (GstPlayerAudioInfo * ref) { GstPlayerAudioInfo *ret; ret = gst_player_audio_info_new (); ret->sample_rate = ref->sample_rate; ret->channels = ref->channels; ret->bitrate = ref->bitrate; ret->max_bitrate = ref->max_bitrate; if (ref->language) ret->language = g_strdup (ref->language); return (GstPlayerStreamInfo *) ret; } static GstPlayerStreamInfo * gst_player_subtitle_info_copy (GstPlayerSubtitleInfo * ref) { GstPlayerSubtitleInfo *ret; ret = gst_player_subtitle_info_new (); if (ref->language) ret->language = g_strdup (ref->language); 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; if (ref->tags) info->tags = gst_tag_list_ref (ref->tags); if (ref->caps) info->caps = gst_caps_copy (ref->caps); if (ref->codec) info->codec = g_strdup (ref->codec); if (ref->stream_id) info->stream_id = g_strdup (ref->stream_id); return info; } GstPlayerMediaInfo * gst_player_media_info_copy (GstPlayerMediaInfo * ref) { GList *l; GstPlayerMediaInfo *info; if (!ref) return NULL; info = gst_player_media_info_new (ref->uri); info->duration = ref->duration; info->seekable = ref->seekable; info->is_live = ref->is_live; if (ref->tags) info->tags = gst_tag_list_ref (ref->tags); if (ref->title) info->title = g_strdup (ref->title); if (ref->container) info->container = g_strdup (ref->container); if (ref->image_sample) info->image_sample = gst_sample_ref (ref->image_sample); for (l = ref->stream_list; 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); } 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; } GstPlayerMediaInfo * gst_player_media_info_new (const gchar * uri) { GstPlayerMediaInfo *info; g_return_val_if_fail (uri != NULL, NULL); info = g_object_new (GST_TYPE_PLAYER_MEDIA_INFO, NULL); info->uri = g_strdup (uri); return info; } /** * 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 info->uri; } /** * 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 info->seekable; } /** * 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 info->is_live; } /** * 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. */ GstClockTime gst_player_media_info_get_duration (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), -1); return info->duration; } /** * gst_player_media_info_get_tags: * @info: a #GstPlayerMediaInfo * * Returns: (transfer none): 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 info->tags; } /** * gst_player_media_info_get_title: * @info: a #GstPlayerMediaInfo * * Returns: the media title. */ const gchar * gst_player_media_info_get_title (const GstPlayerMediaInfo * info) { g_return_val_if_fail (GST_IS_PLAYER_MEDIA_INFO (info), NULL); return info->title; } /** * gst_player_media_info_get_container_format: * @info: a #GstPlayerMediaInfo * * Returns: the container format. */ 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 info->container; } /** * 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): 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 info->image_sample; } /** * gst_player_media_info_get_number_of_streams: * @info: a #GstPlayerMediaInfo * * Returns: number of total streams. * 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. * 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. * 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. * 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