gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/player/gstplayer-media-info.c

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/* GStreamer
*
* Copyright (C) 2015 Brijesh Singh <brijesh.ksingh@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., 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.
2018-08-11 00:32:30 +00:00
* 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