blob: 85a53d43cb79d2271f97d54dc2102f7c01ed1b63 [file] [log] [blame]
/* 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
* @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);
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->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);
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;
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_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_get_video_streams:
* @info: a #GstPlayerMediaInfo
*
* Returns: (transfer none) (element-type GstPlayerVideoInfo): A #GList of
* matching #GstPlayerVideoInfo.
*/
GList *
gst_player_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_get_subtitle_streams:
* @info: a #GstPlayerMediaInfo
*
* Returns: (transfer none) (element-type GstPlayerSubtitleInfo): A #GList of
* matching #GstPlayerSubtitleInfo.
*/
GList *
gst_player_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_get_audio_streams:
* @info: a #GstPlayerMediaInfo
*
* Returns: (transfer none) (element-type GstPlayerAudioInfo): A #GList of
* matching #GstPlayerAudioInfo.
*/
GList *
gst_player_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;
}