gstreamer/gst-libs/gst/player/gstplayer.c

1739 lines
45 KiB
C

/* GStreamer
*
* Copyright (C) 2014-2015 Sebastian Dröge <sebastian@centricular.com>
* 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
* @title: GstPlayer
* @short_description: Player
* @symbols:
* - GstPlayer
*
* Starting from GStreamer 1.20, application developers are strongly advised to migrate to #GstPlay.
* #GstPlayer will be deprecated in 1.20 and most likely removed by 1.24.
*/
/* TODO:
*
* - Equalizer
* - Gapless playback
* - Frame stepping
* - Subtitle font, connection speed
* - Deinterlacing
* - Buffering control (-> progressive downloading)
* - Playlist/queue object
* - Custom video sink (e.g. embed in GL scene)
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstplayer.h"
#include "gstplayer-signal-dispatcher-private.h"
#include "gstplayer-video-renderer-private.h"
#include "gstplayer-media-info-private.h"
#include "gstplayer-wrapped-video-renderer-private.h"
#include <gst/gst.h>
#include <gst/play/play.h>
#include <gst/video/video.h>
#include <gst/video/colorbalance.h>
#include <gst/tag/tag.h>
#include <gst/pbutils/descriptions.h>
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_player_debug);
#define GST_CAT_DEFAULT gst_player_debug
#define DEFAULT_URI NULL
#define DEFAULT_POSITION GST_CLOCK_TIME_NONE
#define DEFAULT_DURATION GST_CLOCK_TIME_NONE
#define DEFAULT_VOLUME 1.0
#define DEFAULT_MUTE FALSE
#define DEFAULT_RATE 1.0
#define DEFAULT_POSITION_UPDATE_INTERVAL_MS 100
#define DEFAULT_AUDIO_VIDEO_OFFSET 0
#define DEFAULT_SUBTITLE_VIDEO_OFFSET 0
/**
* gst_player_error_quark:
*/
GQuark
gst_player_error_quark (void)
{
return g_quark_from_static_string ("gst-player-error-quark");
}
static GQuark QUARK_CONFIG;
/* Keep ConfigQuarkId and _config_quark_strings ordered and synced */
typedef enum
{
CONFIG_QUARK_USER_AGENT = 0,
CONFIG_QUARK_POSITION_INTERVAL_UPDATE,
CONFIG_QUARK_ACCURATE_SEEK,
CONFIG_QUARK_MAX
} ConfigQuarkId;
static const gchar *_config_quark_strings[] = {
"user-agent",
"position-interval-update",
"accurate-seek",
};
GQuark _config_quark_table[CONFIG_QUARK_MAX];
#define CONFIG_QUARK(q) _config_quark_table[CONFIG_QUARK_##q]
enum
{
PROP_0,
PROP_VIDEO_RENDERER,
PROP_SIGNAL_DISPATCHER,
PROP_URI,
PROP_SUBURI,
PROP_POSITION,
PROP_DURATION,
PROP_MEDIA_INFO,
PROP_CURRENT_AUDIO_TRACK,
PROP_CURRENT_VIDEO_TRACK,
PROP_CURRENT_SUBTITLE_TRACK,
PROP_VOLUME,
PROP_MUTE,
PROP_RATE,
PROP_PIPELINE,
PROP_VIDEO_MULTIVIEW_MODE,
PROP_VIDEO_MULTIVIEW_FLAGS,
PROP_AUDIO_VIDEO_OFFSET,
PROP_SUBTITLE_VIDEO_OFFSET,
PROP_LAST
};
enum
{
SIGNAL_URI_LOADED,
SIGNAL_POSITION_UPDATED,
SIGNAL_DURATION_CHANGED,
SIGNAL_STATE_CHANGED,
SIGNAL_BUFFERING,
SIGNAL_END_OF_STREAM,
SIGNAL_ERROR,
SIGNAL_WARNING,
SIGNAL_VIDEO_DIMENSIONS_CHANGED,
SIGNAL_MEDIA_INFO_UPDATED,
SIGNAL_VOLUME_CHANGED,
SIGNAL_MUTE_CHANGED,
SIGNAL_SEEK_DONE,
SIGNAL_LAST
};
struct _GstPlayer
{
GstObject parent;
GstPlay *play;
GstPlaySignalAdapter *signal_adapter;
/* legacy */
GstPlayerSignalDispatcher *signal_dispatcher;
};
struct _GstPlayerClass
{
GstObjectClass parent_class;
};
#define parent_class gst_player_parent_class
G_DEFINE_TYPE (GstPlayer, gst_player, GST_TYPE_OBJECT);
static guint signals[SIGNAL_LAST] = { 0, };
static GParamSpec *param_specs[PROP_LAST] = { NULL, };
static void gst_player_finalize (GObject * object);
static void gst_player_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_player_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void
gst_player_init (G_GNUC_UNUSED GstPlayer * self)
{
}
static void
config_quark_initialize (void)
{
gint i;
QUARK_CONFIG = g_quark_from_static_string ("player-config");
if (G_N_ELEMENTS (_config_quark_strings) != CONFIG_QUARK_MAX)
g_warning ("the quark table is not consistent! %d != %d",
(int) G_N_ELEMENTS (_config_quark_strings), CONFIG_QUARK_MAX);
for (i = 0; i < CONFIG_QUARK_MAX; i++) {
_config_quark_table[i] =
g_quark_from_static_string (_config_quark_strings[i]);
}
}
static void
gst_player_class_init (GstPlayerClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_player_set_property;
gobject_class->get_property = gst_player_get_property;
gobject_class->finalize = gst_player_finalize;
param_specs[PROP_VIDEO_RENDERER] =
g_param_spec_object ("video-renderer",
"Video Renderer", "Video renderer to use for rendering videos",
GST_TYPE_PLAYER_VIDEO_RENDERER,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_SIGNAL_DISPATCHER] =
g_param_spec_object ("signal-dispatcher",
"Signal Dispatcher", "Dispatcher for the signals to e.g. event loops",
GST_TYPE_PLAYER_SIGNAL_DISPATCHER,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
param_specs[PROP_URI] = g_param_spec_string ("uri", "URI", "Current URI",
DEFAULT_URI, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_SUBURI] = g_param_spec_string ("suburi", "Subtitle URI",
"Current Subtitle URI", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_POSITION] =
g_param_spec_uint64 ("position", "Position", "Current Position",
0, G_MAXUINT64, DEFAULT_POSITION,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_MEDIA_INFO] =
g_param_spec_object ("media-info", "Media Info",
"Current media information", GST_TYPE_PLAYER_MEDIA_INFO,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_CURRENT_AUDIO_TRACK] =
g_param_spec_object ("current-audio-track", "Current Audio Track",
"Current audio track information", GST_TYPE_PLAYER_AUDIO_INFO,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_CURRENT_VIDEO_TRACK] =
g_param_spec_object ("current-video-track", "Current Video Track",
"Current video track information", GST_TYPE_PLAYER_VIDEO_INFO,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_CURRENT_SUBTITLE_TRACK] =
g_param_spec_object ("current-subtitle-track", "Current Subtitle Track",
"Current audio subtitle information", GST_TYPE_PLAYER_SUBTITLE_INFO,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_DURATION] =
g_param_spec_uint64 ("duration", "Duration", "Duration",
0, G_MAXUINT64, DEFAULT_DURATION,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_VOLUME] =
g_param_spec_double ("volume", "Volume", "Volume",
0, 10.0, DEFAULT_VOLUME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_MUTE] =
g_param_spec_boolean ("mute", "Mute", "Mute",
DEFAULT_MUTE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_PIPELINE] =
g_param_spec_object ("pipeline", "Pipeline",
"GStreamer pipeline that is used",
GST_TYPE_ELEMENT, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_RATE] =
g_param_spec_double ("rate", "rate", "Playback rate",
-64.0, 64.0, DEFAULT_RATE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_VIDEO_MULTIVIEW_MODE] =
g_param_spec_enum ("video-multiview-mode",
"Multiview Mode Override",
"Re-interpret a video stream as one of several frame-packed stereoscopic modes.",
GST_TYPE_VIDEO_MULTIVIEW_FRAME_PACKING,
GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_VIDEO_MULTIVIEW_FLAGS] =
g_param_spec_flags ("video-multiview-flags",
"Multiview Flags Override",
"Override details of the multiview frame layout",
GST_TYPE_VIDEO_MULTIVIEW_FLAGS, GST_VIDEO_MULTIVIEW_FLAGS_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_AUDIO_VIDEO_OFFSET] =
g_param_spec_int64 ("audio-video-offset", "Audio Video Offset",
"The synchronisation offset between audio and video in nanoseconds",
G_MININT64, G_MAXINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
param_specs[PROP_SUBTITLE_VIDEO_OFFSET] =
g_param_spec_int64 ("subtitle-video-offset", "Text Video Offset",
"The synchronisation offset between text and video in nanoseconds",
G_MININT64, G_MAXINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, PROP_LAST, param_specs);
signals[SIGNAL_URI_LOADED] =
g_signal_new ("uri-loaded", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, G_TYPE_STRING);
signals[SIGNAL_POSITION_UPDATED] =
g_signal_new ("position-updated", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, GST_TYPE_CLOCK_TIME);
signals[SIGNAL_DURATION_CHANGED] =
g_signal_new ("duration-changed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, GST_TYPE_CLOCK_TIME);
signals[SIGNAL_STATE_CHANGED] =
g_signal_new ("state-changed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, GST_TYPE_PLAYER_STATE);
signals[SIGNAL_BUFFERING] =
g_signal_new ("buffering", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, G_TYPE_INT);
signals[SIGNAL_END_OF_STREAM] =
g_signal_new ("end-of-stream", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 0, G_TYPE_INVALID);
signals[SIGNAL_ERROR] =
g_signal_new ("error", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, G_TYPE_ERROR);
signals[SIGNAL_VIDEO_DIMENSIONS_CHANGED] =
g_signal_new ("video-dimensions-changed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
signals[SIGNAL_MEDIA_INFO_UPDATED] =
g_signal_new ("media-info-updated", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, GST_TYPE_PLAYER_MEDIA_INFO);
signals[SIGNAL_VOLUME_CHANGED] =
g_signal_new ("volume-changed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 0, G_TYPE_INVALID);
signals[SIGNAL_MUTE_CHANGED] =
g_signal_new ("mute-changed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 0, G_TYPE_INVALID);
signals[SIGNAL_WARNING] =
g_signal_new ("warning", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, G_TYPE_ERROR);
signals[SIGNAL_SEEK_DONE] =
g_signal_new ("seek-done", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, 0, NULL,
NULL, NULL, G_TYPE_NONE, 1, GST_TYPE_CLOCK_TIME);
config_quark_initialize ();
}
static void
gst_player_finalize (GObject * object)
{
GstPlayer *self = GST_PLAYER (object);
GST_TRACE_OBJECT (self, "Finalizing");
if (self->signal_dispatcher)
g_object_unref (self->signal_dispatcher);
if (self->play)
gst_object_unref (self->play);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_player_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstPlayer *self = GST_PLAYER (object);
switch (prop_id) {
case PROP_SIGNAL_DISPATCHER:
self->signal_dispatcher = g_value_dup_object (value);
break;
default:
g_object_set_property (G_OBJECT (self->play),
g_param_spec_get_name (pspec), value);
break;
}
}
static void
gst_player_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstPlayer *self = GST_PLAYER (object);
switch (prop_id) {
case PROP_MEDIA_INFO:
g_value_take_object (value, gst_player_get_media_info (self));
break;
case PROP_CURRENT_AUDIO_TRACK:
g_value_take_object (value, gst_player_get_current_audio_track (self));
break;
case PROP_CURRENT_VIDEO_TRACK:
g_value_take_object (value, gst_player_get_current_video_track (self));
break;
case PROP_CURRENT_SUBTITLE_TRACK:
g_value_take_object (value, gst_player_get_current_subtitle_track (self));
break;
default:
g_object_get_property (G_OBJECT (self->play),
g_param_spec_get_name (pspec), value);
break;
}
}
static gpointer
gst_player_init_once (G_GNUC_UNUSED gpointer user_data)
{
gst_init (NULL, NULL);
GST_DEBUG_CATEGORY_INIT (gst_player_debug, "gst-player", 0, "GstPlayer");
gst_player_error_quark ();
return NULL;
}
static void
uri_loaded_cb (GstPlaySignalAdapter * adapter, const gchar * uri,
GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_URI_LOADED], 0, uri);
}
static void
position_updated_cb (GstPlaySignalAdapter * adapter, GstClockTime position,
GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_POSITION_UPDATED], 0, position);
}
static void
duration_changed_cb (GstPlaySignalAdapter * adapter, GstClockTime duraton,
GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_DURATION_CHANGED], 0, duraton);
}
static void
state_changed_cb (GstPlaySignalAdapter * adapter, GstPlayState state,
GstPlayer * self)
{
GstPlayerState s = GST_PLAYER_STATE_BUFFERING;
switch (state) {
case GST_PLAY_STATE_BUFFERING:
s = GST_PLAYER_STATE_BUFFERING;
break;
case GST_PLAY_STATE_PAUSED:
s = GST_PLAYER_STATE_PAUSED;
break;
case GST_PLAY_STATE_PLAYING:
s = GST_PLAYER_STATE_PLAYING;
break;
case GST_PLAY_STATE_STOPPED:
s = GST_PLAYER_STATE_STOPPED;
break;
}
g_signal_emit (self, signals[SIGNAL_STATE_CHANGED], 0, s);
}
static void
buffering_cb (GstPlaySignalAdapter * adapter, gint buffering_percent,
GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_BUFFERING], 0, buffering_percent);
}
static void
end_of_stream_cb (GstPlaySignalAdapter * adapter, GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_END_OF_STREAM], 0, NULL);
}
static void
error_cb (GstPlaySignalAdapter * adapter, GError * error,
GstStructure * details, GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_ERROR], 0, error);
}
static void
dimensions_changed_cb (GstPlaySignalAdapter * adapter, guint width,
guint height, GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_VIDEO_DIMENSIONS_CHANGED], 0, width,
height);
}
static void
media_info_cb (GstPlaySignalAdapter * adapter, GstPlayMediaInfo * info,
GstPlayer * self)
{
GstPlayerMediaInfo *i = gst_player_media_info_wrapped (info);
g_signal_emit (self, signals[SIGNAL_MEDIA_INFO_UPDATED], 0, i);
g_object_unref (i);
}
static void
volume_cb (GstPlaySignalAdapter * adapter, gdouble volume, GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_VOLUME_CHANGED], 0, NULL);
}
static void
mute_cb (GstPlaySignalAdapter * adapter, gboolean muted, GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_MUTE_CHANGED], 0, NULL);
}
static void
warning_cb (GstPlaySignalAdapter * adapter, GError * warning,
GstStructure * details, GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_WARNING], 0, warning);
}
static void
seek_done_cb (GstPlaySignalAdapter * adapter, GstClockTime time,
GstPlayer * self)
{
g_signal_emit (self, signals[SIGNAL_SEEK_DONE], 0, time);
}
/**
* gst_player_new:
* @video_renderer: (transfer full) (allow-none): GstPlayerVideoRenderer to use
* @signal_dispatcher: (transfer full) (allow-none): GstPlayerSignalDispatcher to use
*
* Creates a new #GstPlayer instance that uses @signal_dispatcher to dispatch
* signals to some event loop system, or emits signals directly if NULL is
* passed. See gst_player_g_main_context_signal_dispatcher_new().
*
* Video is going to be rendered by @video_renderer, or if %NULL is provided
* no special video set up will be done and some default handling will be
* performed.
*
* Returns: (transfer full): a new #GstPlayer instance
*/
GstPlayer *
gst_player_new (GstPlayerVideoRenderer * video_renderer,
GstPlayerSignalDispatcher * signal_dispatcher)
{
static GOnce once = G_ONCE_INIT;
GstPlayer *self;
GstPlayerVideoRenderer *renderer = NULL;
g_once (&once, gst_player_init_once, NULL);
self =
g_object_new (GST_TYPE_PLAYER, "signal-dispatcher", signal_dispatcher,
NULL);
if (video_renderer != NULL) {
renderer = gst_player_wrapped_video_renderer_new (video_renderer, self);
}
self->play = gst_play_new (GST_PLAY_VIDEO_RENDERER (renderer));
if (signal_dispatcher != NULL) {
GMainContext *context = NULL;
g_object_get (signal_dispatcher, "application-context", &context, NULL);
self->signal_adapter =
gst_play_signal_adapter_new_with_main_context (self->play, context);
g_main_context_unref (context);
} else {
self->signal_adapter = gst_play_signal_adapter_new (self->play);
}
gst_object_ref_sink (self);
g_signal_connect (self->signal_adapter, "uri-loaded",
G_CALLBACK (uri_loaded_cb), self);
g_signal_connect (self->signal_adapter, "position-updated",
G_CALLBACK (position_updated_cb), self);
g_signal_connect (self->signal_adapter, "duration-changed",
G_CALLBACK (duration_changed_cb), self);
g_signal_connect (self->signal_adapter, "state-changed",
G_CALLBACK (state_changed_cb), self);
g_signal_connect (self->signal_adapter, "buffering",
G_CALLBACK (buffering_cb), self);
g_signal_connect (self->signal_adapter, "end-of-stream",
G_CALLBACK (end_of_stream_cb), self);
g_signal_connect (self->signal_adapter, "error", G_CALLBACK (error_cb), self);
g_signal_connect (self->signal_adapter, "video-dimensions-changed",
G_CALLBACK (dimensions_changed_cb), self);
g_signal_connect (self->signal_adapter, "media-info-updated",
G_CALLBACK (media_info_cb), self);
g_signal_connect (self->signal_adapter, "volume-changed",
G_CALLBACK (volume_cb), self);
g_signal_connect (self->signal_adapter, "mute-changed", G_CALLBACK (mute_cb),
self);
g_signal_connect (self->signal_adapter, "warning", G_CALLBACK (warning_cb),
self);
g_signal_connect (self->signal_adapter, "seek-done",
G_CALLBACK (seek_done_cb), self);
if (video_renderer)
g_object_unref (video_renderer);
if (signal_dispatcher)
g_object_unref (signal_dispatcher);
return self;
}
/**
* gst_player_play:
* @player: #GstPlayer instance
*
* Request to play the loaded stream.
*/
void
gst_player_play (GstPlayer * self)
{
g_return_if_fail (GST_IS_PLAYER (self));
gst_play_play (self->play);
}
/**
* gst_player_pause:
* @player: #GstPlayer instance
*
* Pauses the current stream.
*/
void
gst_player_pause (GstPlayer * self)
{
g_return_if_fail (GST_IS_PLAYER (self));
gst_play_pause (self->play);
}
/**
* gst_player_stop:
* @player: #GstPlayer instance
*
* Stops playing the current stream and resets to the first position
* in the stream.
*/
void
gst_player_stop (GstPlayer * self)
{
g_return_if_fail (GST_IS_PLAYER (self));
gst_play_stop (self->play);
}
/**
* gst_player_set_rate:
* @player: #GstPlayer instance
* @rate: playback rate
*
* Playback at specified rate
*/
void
gst_player_set_rate (GstPlayer * self, gdouble rate)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_return_if_fail (rate != 0.0);
g_object_set (self, "rate", rate, NULL);
}
/**
* gst_player_get_rate:
* @player: #GstPlayer instance
*
* Returns: current playback rate
*/
gdouble
gst_player_get_rate (GstPlayer * self)
{
gdouble val;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_RATE);
g_object_get (self, "rate", &val, NULL);
return val;
}
/**
* gst_player_seek:
* @player: #GstPlayer instance
* @position: position to seek in nanoseconds
*
* Seeks the currently-playing stream to the absolute @position time
* in nanoseconds.
*/
void
gst_player_seek (GstPlayer * self, GstClockTime position)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_return_if_fail (GST_CLOCK_TIME_IS_VALID (position));
gst_play_seek (self->play, position);
}
/**
* gst_player_get_uri:
* @player: #GstPlayer instance
*
* Gets the URI of the currently-playing stream.
*
* Returns: (transfer full): a string containing the URI of the
* currently-playing stream. g_free() after usage.
*/
gchar *
gst_player_get_uri (GstPlayer * self)
{
gchar *val;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_URI);
g_object_get (self, "uri", &val, NULL);
return val;
}
/**
* gst_player_set_uri:
* @player: #GstPlayer instance
* @uri: next URI to play.
*
* Sets the next URI to play.
*/
void
gst_player_set_uri (GstPlayer * self, const gchar * val)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "uri", val, NULL);
}
/**
* gst_player_set_subtitle_uri:
* @player: #GstPlayer instance
* @uri: subtitle URI
*
* Sets the external subtitle URI. This should be combined with a call to
* gst_player_set_subtitle_track_enabled(@player, TRUE) so the subtitles are actually
* rendered.
*/
void
gst_player_set_subtitle_uri (GstPlayer * self, const gchar * suburi)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "suburi", suburi, NULL);
}
/**
* gst_player_get_subtitle_uri:
* @player: #GstPlayer instance
*
* current subtitle URI
*
* Returns: (transfer full): URI of the current external subtitle.
* g_free() after usage.
*/
gchar *
gst_player_get_subtitle_uri (GstPlayer * self)
{
gchar *val = NULL;
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
g_object_get (self, "suburi", &val, NULL);
return val;
}
/**
* gst_player_get_position:
* @player: #GstPlayer instance
*
* Returns: the absolute position time, in nanoseconds, of the
* currently-playing stream.
*/
GstClockTime
gst_player_get_position (GstPlayer * self)
{
GstClockTime val;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_POSITION);
g_object_get (self, "position", &val, NULL);
return val;
}
/**
* gst_player_get_duration:
* @player: #GstPlayer instance
*
* Retrieves the duration of the media stream that self represents.
*
* Returns: the duration of the currently-playing media stream, in
* nanoseconds.
*/
GstClockTime
gst_player_get_duration (GstPlayer * self)
{
GstClockTime val;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_DURATION);
g_object_get (self, "duration", &val, NULL);
return val;
}
/**
* gst_player_get_volume:
* @player: #GstPlayer instance
*
* Returns the current volume level, as a percentage between 0 and 1.
*
* Returns: the volume as percentage between 0 and 1.
*/
gdouble
gst_player_get_volume (GstPlayer * self)
{
gdouble val;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_VOLUME);
g_object_get (self, "volume", &val, NULL);
return val;
}
/**
* gst_player_set_volume:
* @player: #GstPlayer instance
* @val: the new volume level, as a percentage between 0 and 1
*
* Sets the volume level of the stream as a percentage between 0 and 1.
*
* This volume is a linear factor. For showing the volume in a GUI it
* might make sense to first convert from a different format. Volume sliders
* should usually use a cubic volume. See gst_stream_volume_convert_volume().
*/
void
gst_player_set_volume (GstPlayer * self, gdouble val)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "volume", val, NULL);
}
/**
* gst_player_get_mute:
* @player: #GstPlayer instance
*
* Returns: %TRUE if the currently-playing stream is muted.
*/
gboolean
gst_player_get_mute (GstPlayer * self)
{
gboolean val;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_MUTE);
g_object_get (self, "mute", &val, NULL);
return val;
}
/**
* gst_player_set_mute:
* @player: #GstPlayer instance
* @val: Mute state the should be set
*
* %TRUE if the currently-playing stream should be muted.
*/
void
gst_player_set_mute (GstPlayer * self, gboolean val)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "mute", val, NULL);
}
/**
* gst_player_get_pipeline:
* @player: #GstPlayer instance
*
* Returns: (transfer full): The internal playbin instance.
*
* The caller should free it with g_object_unref()
*/
GstElement *
gst_player_get_pipeline (GstPlayer * self)
{
GstElement *val;
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
g_object_get (self, "pipeline", &val, NULL);
return val;
}
/**
* gst_player_get_media_info:
* @player: #GstPlayer instance
*
* A Function to get the current media info #GstPlayerMediaInfo instance.
*
* Returns: (transfer full): media info instance.
*
* The caller should free it with g_object_unref()
*/
GstPlayerMediaInfo *
gst_player_get_media_info (GstPlayer * self)
{
GstPlayMediaInfo *info;
GstPlayerMediaInfo *ret;
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
info = gst_play_get_media_info (self->play);
ret = gst_player_media_info_wrapped (info);
g_object_unref (info);
return ret;
}
/**
* gst_player_get_current_audio_track:
* @player: #GstPlayer instance
*
* A Function to get current audio #GstPlayerAudioInfo instance.
*
* Returns: (transfer full): current audio track.
*
* The caller should free it with g_object_unref()
*/
GstPlayerAudioInfo *
gst_player_get_current_audio_track (GstPlayer * self)
{
GstPlayAudioInfo *info;
GstPlayerAudioInfo *ret = NULL;
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
info = gst_play_get_current_audio_track (self->play);
if (info != NULL) {
ret = gst_player_audio_info_wrapped (info);
g_object_unref (info);
}
return ret;
}
/**
* gst_player_get_current_video_track:
* @player: #GstPlayer instance
*
* A Function to get current video #GstPlayerVideoInfo instance.
*
* Returns: (transfer full): current video track.
*
* The caller should free it with g_object_unref()
*/
GstPlayerVideoInfo *
gst_player_get_current_video_track (GstPlayer * self)
{
GstPlayVideoInfo *info;
GstPlayerVideoInfo *ret = NULL;
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
info = gst_play_get_current_video_track (self->play);
if (info != NULL) {
ret = gst_player_video_info_wrapped (info);
g_object_unref (info);
}
return ret;
}
/**
* gst_player_get_current_subtitle_track:
* @player: #GstPlayer instance
*
* A Function to get current subtitle #GstPlayerSubtitleInfo instance.
*
* Returns: (transfer full): current subtitle track.
*
* The caller should free it with g_object_unref()
*/
GstPlayerSubtitleInfo *
gst_player_get_current_subtitle_track (GstPlayer * self)
{
GstPlaySubtitleInfo *info;
GstPlayerSubtitleInfo *ret = NULL;
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
info = gst_play_get_current_subtitle_track (self->play);
if (info != NULL) {
ret = gst_player_subtitle_info_wrapped (info);
g_object_unref (info);
}
return ret;
}
/**
* gst_player_set_audio_track:
* @player: #GstPlayer instance
* @stream_index: stream index
*
* Returns: %TRUE or %FALSE
*
* Sets the audio track @stream_idex.
*/
gboolean
gst_player_set_audio_track (GstPlayer * self, gint stream_index)
{
g_return_val_if_fail (GST_IS_PLAYER (self), 0);
return gst_play_set_audio_track (self->play, stream_index);
}
/**
* gst_player_set_video_track:
* @player: #GstPlayer instance
* @stream_index: stream index
*
* Returns: %TRUE or %FALSE
*
* Sets the video track @stream_index.
*/
gboolean
gst_player_set_video_track (GstPlayer * self, gint stream_index)
{
g_return_val_if_fail (GST_IS_PLAYER (self), 0);
return gst_play_set_video_track (self->play, stream_index);
}
/**
* gst_player_set_subtitle_track:
* @player: #GstPlayer instance
* @stream_index: stream index
*
* Returns: %TRUE or %FALSE
*
* Sets the subtitle stack @stream_index.
*/
gboolean
gst_player_set_subtitle_track (GstPlayer * self, gint stream_index)
{
g_return_val_if_fail (GST_IS_PLAYER (self), 0);
return gst_play_set_subtitle_track (self->play, stream_index);
}
/**
* gst_player_set_audio_track_enabled:
* @player: #GstPlayer instance
* @enabled: TRUE or FALSE
*
* Enable or disable the current audio track.
*/
void
gst_player_set_audio_track_enabled (GstPlayer * self, gboolean enabled)
{
g_return_if_fail (GST_IS_PLAYER (self));
gst_play_set_audio_track_enabled (self->play, enabled);
}
/**
* gst_player_set_video_track_enabled:
* @player: #GstPlayer instance
* @enabled: TRUE or FALSE
*
* Enable or disable the current video track.
*/
void
gst_player_set_video_track_enabled (GstPlayer * self, gboolean enabled)
{
g_return_if_fail (GST_IS_PLAYER (self));
gst_play_set_video_track_enabled (self->play, enabled);
}
/**
* gst_player_set_subtitle_track_enabled:
* @player: #GstPlayer instance
* @enabled: TRUE or FALSE
*
* Enable or disable the current subtitle track.
*/
void
gst_player_set_subtitle_track_enabled (GstPlayer * self, gboolean enabled)
{
g_return_if_fail (GST_IS_PLAYER (self));
gst_play_set_subtitle_track_enabled (self->play, enabled);
}
/**
* gst_player_set_visualization:
* @player: #GstPlayer instance
* @name: visualization element obtained from
* #gst_player_visualizations_get()
*
* Returns: %TRUE if the visualizations was set correctly. Otherwise,
* %FALSE.
*/
gboolean
gst_player_set_visualization (GstPlayer * self, const gchar * name)
{
g_return_val_if_fail (GST_IS_PLAYER (self), FALSE);
return gst_play_set_visualization (self->play, name);
}
/**
* gst_player_get_current_visualization:
* @player: #GstPlayer instance
*
* Returns: (transfer full): Name of the currently enabled visualization.
* g_free() after usage.
*/
gchar *
gst_player_get_current_visualization (GstPlayer * self)
{
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
return gst_play_get_current_visualization (self->play);
}
/**
* gst_player_set_visualization_enabled:
* @player: #GstPlayer instance
* @enabled: TRUE or FALSE
*
* Enable or disable the visualization.
*/
void
gst_player_set_visualization_enabled (GstPlayer * self, gboolean enabled)
{
g_return_if_fail (GST_IS_PLAYER (self));
gst_play_set_visualization_enabled (self->play, enabled);
}
struct CBChannelMap
{
const gchar *label; /* channel label name */
const gchar *name; /* get_name () */
};
static const struct CBChannelMap cb_channel_map[] = {
/* GST_PLAYER_COLOR_BALANCE_BRIGHTNESS */ {"BRIGHTNESS", "brightness"},
/* GST_PLAYER_COLOR_BALANCE_CONTRAST */ {"CONTRAST", "contrast"},
/* GST_PLAYER_COLOR_BALANCE_SATURATION */ {"SATURATION", "saturation"},
/* GST_PLAYER_COLOR_BALANCE_HUE */ {"HUE", "hue"},
};
/**
* gst_player_has_color_balance:
* @player:#GstPlayer instance
*
* Checks whether the @player has color balance support available.
*
* Returns: %TRUE if @player has color balance support. Otherwise,
* %FALSE.
*/
gboolean
gst_player_has_color_balance (GstPlayer * self)
{
g_return_val_if_fail (GST_IS_PLAYER (self), FALSE);
return gst_play_has_color_balance (self->play);
}
/**
* gst_player_set_color_balance:
* @player: #GstPlayer instance
* @type: #GstPlayerColorBalanceType
* @value: The new value for the @type, ranged [0,1]
*
* Sets the current value of the indicated channel @type to the passed
* value.
*/
void
gst_player_set_color_balance (GstPlayer * self, GstPlayerColorBalanceType type,
gdouble value)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_return_if_fail (value >= 0.0 && value <= 1.0);
gst_play_set_color_balance (self->play, (GstPlayColorBalanceType) type,
value);
}
/**
* gst_player_get_color_balance:
* @player: #GstPlayer instance
* @type: #GstPlayerColorBalanceType
*
* Retrieve the current value of the indicated @type.
*
* Returns: The current value of @type, between [0,1]. In case of
* error -1 is returned.
*/
gdouble
gst_player_get_color_balance (GstPlayer * self, GstPlayerColorBalanceType type)
{
g_return_val_if_fail (GST_IS_PLAYER (self), -1);
return gst_play_get_color_balance (self->play,
(GstPlayColorBalanceType) type);
}
/**
* gst_player_get_multiview_mode:
* @player: #GstPlayer instance
*
* Retrieve the current value of the indicated @type.
*
* Returns: The current value of @type, Default: -1 "none"
*
* Since: 1.10
*/
GstVideoMultiviewFramePacking
gst_player_get_multiview_mode (GstPlayer * self)
{
GstVideoMultiviewFramePacking val = GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE;
g_return_val_if_fail (GST_IS_PLAYER (self),
GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE);
g_object_get (self, "video-multiview-mode", &val, NULL);
return val;
}
/**
* gst_player_set_multiview_mode:
* @player: #GstPlayer instance
* @mode: The new value for the @type
*
* Sets the current value of the indicated mode @type to the passed
* value.
*
* Since: 1.10
*/
void
gst_player_set_multiview_mode (GstPlayer * self,
GstVideoMultiviewFramePacking mode)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "video-multiview-mode", mode, NULL);
}
/**
* gst_player_get_multiview_flags:
* @player: #GstPlayer instance
*
* Retrieve the current value of the indicated @type.
*
* Returns: The current value of @type, Default: 0x00000000 "none
*
* Since: 1.10
*/
GstVideoMultiviewFlags
gst_player_get_multiview_flags (GstPlayer * self)
{
GstVideoMultiviewFlags val = GST_VIDEO_MULTIVIEW_FLAGS_NONE;
g_return_val_if_fail (GST_IS_PLAYER (self), val);
g_object_get (self, "video-multiview-flags", &val, NULL);
return val;
}
/**
* gst_player_set_multiview_flags:
* @player: #GstPlayer instance
* @flags: The new value for the @type
*
* Sets the current value of the indicated mode @type to the passed
* value.
*
* Since: 1.10
*/
void
gst_player_set_multiview_flags (GstPlayer * self, GstVideoMultiviewFlags flags)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "video-multiview-flags", flags, NULL);
}
/**
* gst_player_get_audio_video_offset:
* @player: #GstPlayer instance
*
* Retrieve the current value of audio-video-offset property
*
* Returns: The current value of audio-video-offset in nanoseconds
*
* Since: 1.10
*/
gint64
gst_player_get_audio_video_offset (GstPlayer * self)
{
gint64 val = 0;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_AUDIO_VIDEO_OFFSET);
g_object_get (self, "audio-video-offset", &val, NULL);
return val;
}
/**
* gst_player_set_audio_video_offset:
* @player: #GstPlayer instance
* @offset: #gint64 in nanoseconds
*
* Sets audio-video-offset property by value of @offset
*
* Since: 1.10
*/
void
gst_player_set_audio_video_offset (GstPlayer * self, gint64 offset)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "audio-video-offset", offset, NULL);
}
/**
* gst_player_get_subtitle_video_offset:
* @player: #GstPlayer instance
*
* Retrieve the current value of subtitle-video-offset property
*
* Returns: The current value of subtitle-video-offset in nanoseconds
*
* Since: 1.16
*/
gint64
gst_player_get_subtitle_video_offset (GstPlayer * self)
{
gint64 val = 0;
g_return_val_if_fail (GST_IS_PLAYER (self), DEFAULT_SUBTITLE_VIDEO_OFFSET);
g_object_get (self, "subtitle-video-offset", &val, NULL);
return val;
}
/**
* gst_player_set_subtitle_video_offset:
* @player: #GstPlayer instance
* @offset: #gint64 in nanoseconds
*
* Sets subtitle-video-offset property by value of @offset
*
* Since: 1.16
*/
void
gst_player_set_subtitle_video_offset (GstPlayer * self, gint64 offset)
{
g_return_if_fail (GST_IS_PLAYER (self));
g_object_set (self, "subtitle-video-offset", offset, NULL);
}
#define C_ENUM(v) ((gint) v)
#define C_FLAGS(v) ((guint) v)
GType
gst_player_color_balance_type_get_type (void)
{
static gsize id = 0;
static const GEnumValue values[] = {
{C_ENUM (GST_PLAYER_COLOR_BALANCE_HUE), "GST_PLAYER_COLOR_BALANCE_HUE",
"hue"},
{C_ENUM (GST_PLAYER_COLOR_BALANCE_BRIGHTNESS),
"GST_PLAYER_COLOR_BALANCE_BRIGHTNESS", "brightness"},
{C_ENUM (GST_PLAYER_COLOR_BALANCE_SATURATION),
"GST_PLAYER_COLOR_BALANCE_SATURATION", "saturation"},
{C_ENUM (GST_PLAYER_COLOR_BALANCE_CONTRAST),
"GST_PLAYER_COLOR_BALANCE_CONTRAST", "contrast"},
{0, NULL, NULL}
};
if (g_once_init_enter (&id)) {
GType tmp = g_enum_register_static ("GstPlayerColorBalanceType", values);
g_once_init_leave (&id, tmp);
}
return (GType) id;
}
/**
* gst_player_color_balance_type_get_name:
* @type: a #GstPlayerColorBalanceType
*
* Gets a string representing the given color balance type.
*
* Returns: (transfer none): a string with the name of the color
* balance type.
*/
const gchar *
gst_player_color_balance_type_get_name (GstPlayerColorBalanceType type)
{
g_return_val_if_fail (type >= GST_PLAYER_COLOR_BALANCE_BRIGHTNESS &&
type <= GST_PLAYER_COLOR_BALANCE_HUE, NULL);
return cb_channel_map[type].name;
}
GType
gst_player_state_get_type (void)
{
static gsize id = 0;
static const GEnumValue values[] = {
{C_ENUM (GST_PLAYER_STATE_STOPPED), "GST_PLAYER_STATE_STOPPED", "stopped"},
{C_ENUM (GST_PLAYER_STATE_BUFFERING), "GST_PLAYER_STATE_BUFFERING",
"buffering"},
{C_ENUM (GST_PLAYER_STATE_PAUSED), "GST_PLAYER_STATE_PAUSED", "paused"},
{C_ENUM (GST_PLAYER_STATE_PLAYING), "GST_PLAYER_STATE_PLAYING", "playing"},
{0, NULL, NULL}
};
if (g_once_init_enter (&id)) {
GType tmp = g_enum_register_static ("GstPlayerState", values);
g_once_init_leave (&id, tmp);
}
return (GType) id;
}
/**
* gst_player_state_get_name:
* @state: a #GstPlayerState
*
* Gets a string representing the given state.
*
* Returns: (transfer none): a string with the name of the state.
*/
const gchar *
gst_player_state_get_name (GstPlayerState state)
{
switch (state) {
case GST_PLAYER_STATE_STOPPED:
return "stopped";
case GST_PLAYER_STATE_BUFFERING:
return "buffering";
case GST_PLAYER_STATE_PAUSED:
return "paused";
case GST_PLAYER_STATE_PLAYING:
return "playing";
}
g_assert_not_reached ();
return NULL;
}
GType
gst_player_error_get_type (void)
{
static gsize id = 0;
static const GEnumValue values[] = {
{C_ENUM (GST_PLAYER_ERROR_FAILED), "GST_PLAYER_ERROR_FAILED", "failed"},
{0, NULL, NULL}
};
if (g_once_init_enter (&id)) {
GType tmp = g_enum_register_static ("GstPlayerError", values);
g_once_init_leave (&id, tmp);
}
return (GType) id;
}
/**
* gst_player_error_get_name:
* @error: a #GstPlayerError
*
* Gets a string representing the given error.
*
* Returns: (transfer none): a string with the given error.
*/
const gchar *
gst_player_error_get_name (GstPlayerError error)
{
switch (error) {
case GST_PLAYER_ERROR_FAILED:
return "failed";
}
g_assert_not_reached ();
return NULL;
}
/**
* gst_player_set_config:
* @player: #GstPlayer instance
* @config: (transfer full): a #GstStructure
*
* Set the configuration of the player. If the player is already configured, and
* the configuration haven't change, this function will return %TRUE. If the
* player is not in the GST_PLAYER_STATE_STOPPED, this method will return %FALSE
* and active configuration will remain.
*
* @config is a #GstStructure that contains the configuration parameters for
* the player.
*
* This function takes ownership of @config.
*
* Returns: %TRUE when the configuration could be set.
* Since: 1.10
*/
gboolean
gst_player_set_config (GstPlayer * self, GstStructure * config)
{
g_return_val_if_fail (GST_IS_PLAYER (self), FALSE);
g_return_val_if_fail (config != NULL, FALSE);
return gst_play_set_config (self->play, config);
}
/**
* gst_player_get_config:
* @player: #GstPlayer instance
*
* Get a copy of the current configuration of the player. This configuration
* can either be modified and used for the gst_player_set_config() call
* or it must be freed after usage.
*
* Returns: (transfer full): a copy of the current configuration of @player. Use
* gst_structure_free() after usage or gst_player_set_config().
*
* Since: 1.10
*/
GstStructure *
gst_player_get_config (GstPlayer * self)
{
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
return gst_play_get_config (self->play);
}
/**
* gst_player_config_set_user_agent:
* @config: a #GstPlayer configuration
* @agent: the string to use as user agent
*
* Set the user agent to pass to the server if @player needs to connect
* to a server during playback. This is typically used when playing HTTP
* or RTSP streams.
*
* Since: 1.10
*/
void
gst_player_config_set_user_agent (GstStructure * config, const gchar * agent)
{
g_return_if_fail (config != NULL);
g_return_if_fail (agent != NULL);
gst_structure_id_set (config,
CONFIG_QUARK (USER_AGENT), G_TYPE_STRING, agent, NULL);
}
/**
* gst_player_config_get_user_agent:
* @config: a #GstPlayer configuration
*
* Return the user agent which has been configured using
* gst_player_config_set_user_agent() if any.
*
* Returns: (transfer full): the configured agent, or %NULL
*
* Since: 1.10
*/
gchar *
gst_player_config_get_user_agent (const GstStructure * config)
{
gchar *agent = NULL;
g_return_val_if_fail (config != NULL, NULL);
gst_structure_id_get (config,
CONFIG_QUARK (USER_AGENT), G_TYPE_STRING, &agent, NULL);
return agent;
}
/**
* gst_player_config_set_position_update_interval:
* @config: a #GstPlayer configuration
* @interval: interval in ms
*
* set interval in milliseconds between two position-updated signals.
* pass 0 to stop updating the position.
*
* Since: 1.10
*/
void
gst_player_config_set_position_update_interval (GstStructure * config,
guint interval)
{
g_return_if_fail (config != NULL);
g_return_if_fail (interval <= 10000);
gst_structure_id_set (config,
CONFIG_QUARK (POSITION_INTERVAL_UPDATE), G_TYPE_UINT, interval, NULL);
}
/**
* gst_player_config_get_position_update_interval:
* @config: a #GstPlayer configuration
*
* Returns: current position update interval in milliseconds
*
* Since: 1.10
*/
guint
gst_player_config_get_position_update_interval (const GstStructure * config)
{
guint interval = DEFAULT_POSITION_UPDATE_INTERVAL_MS;
g_return_val_if_fail (config != NULL, DEFAULT_POSITION_UPDATE_INTERVAL_MS);
gst_structure_id_get (config,
CONFIG_QUARK (POSITION_INTERVAL_UPDATE), G_TYPE_UINT, &interval, NULL);
return interval;
}
/**
* gst_player_config_set_seek_accurate:
* @config: a #GstPlayer configuration
* @accurate: accurate seek or not
*
* Enable or disable accurate seeking. When enabled, elements will try harder
* to seek as accurately as possible to the requested seek position. Generally
* it will be slower especially for formats that don't have any indexes or
* timestamp markers in the stream.
*
* If accurate seeking is disabled, elements will seek as close as the request
* position without slowing down seeking too much.
*
* Accurate seeking is disabled by default.
*
* Since: 1.12
*/
void
gst_player_config_set_seek_accurate (GstStructure * config, gboolean accurate)
{
g_return_if_fail (config != NULL);
gst_structure_id_set (config,
CONFIG_QUARK (ACCURATE_SEEK), G_TYPE_BOOLEAN, accurate, NULL);
}
/**
* gst_player_config_get_seek_accurate:
* @config: a #GstPlayer configuration
*
* Returns: %TRUE if accurate seeking is enabled
*
* Since: 1.12
*/
gboolean
gst_player_config_get_seek_accurate (const GstStructure * config)
{
gboolean accurate = FALSE;
g_return_val_if_fail (config != NULL, FALSE);
gst_structure_id_get (config,
CONFIG_QUARK (ACCURATE_SEEK), G_TYPE_BOOLEAN, &accurate, NULL);
return accurate;
}
/**
* gst_player_get_video_snapshot:
* @player: #GstPlayer instance
* @format: output format of the video snapshot
* @config: (allow-none): Additional configuration
*
* Get a snapshot of the currently selected video stream, if any. The format can be
* selected with @format and optional configuration is possible with @config
* Currently supported settings are:
* - width, height of type G_TYPE_INT
* - pixel-aspect-ratio of type GST_TYPE_FRACTION
* Except for GST_PLAYER_THUMBNAIL_RAW_NATIVE format, if no config is set, pixel-aspect-ratio would be 1/1
*
* Returns: (transfer full): Current video snapshot sample or %NULL on failure
*
* Since: 1.12
*/
GstSample *
gst_player_get_video_snapshot (GstPlayer * self,
GstPlayerSnapshotFormat format, const GstStructure * config)
{
g_return_val_if_fail (GST_IS_PLAYER (self), NULL);
return gst_play_get_video_snapshot (self->play,
(GstPlaySnapshotFormat) format, config);
}