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gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/play/gstplay.h

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/* GStreamer
*
* Copyright (C) 2014-2015 Sebastian Dröge <sebastian@centricular.com>
* Copyright (C) 2019-2020 Stephan Hesse <stephan@emliri.com>
* Copyright (C) 2020 Philippe Normand <philn@igalia.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.
*/
#ifndef __GST_PLAY_H__
#define __GST_PLAY_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/play/play-prelude.h>
#include <gst/play/gstplay-types.h>
#include <gst/play/gstplay-video-renderer.h>
#include <gst/play/gstplay-media-info.h>
G_BEGIN_DECLS
GST_PLAY_API
GType gst_play_state_get_type (void);
/**
* GST_TYPE_PLAY_STATE:
* Since: 1.20
*/
#define GST_TYPE_PLAY_STATE (gst_play_state_get_type ())
GST_PLAY_API
GType gst_play_message_get_type (void);
/**
* GST_TYPE_PLAY_MESSAGE:
* Since: 1.20
*/
#define GST_TYPE_PLAY_MESSAGE (gst_play_message_get_type ())
/**
* GstPlayState:
* @GST_PLAY_STATE_STOPPED: the play is stopped.
* @GST_PLAY_STATE_BUFFERING: the play is buffering.
* @GST_PLAY_STATE_PAUSED: the play is paused.
* @GST_PLAY_STATE_PLAYING: the play is currently playing a
* stream.
*
* Since: 1.20
*/
typedef enum
{
GST_PLAY_STATE_STOPPED,
GST_PLAY_STATE_BUFFERING,
GST_PLAY_STATE_PAUSED,
GST_PLAY_STATE_PLAYING
} GstPlayState;
/**
* GstPlayMessage:
* @GST_PLAY_MESSAGE_URI_LOADED: Source element was initalized for set URI
* @GST_PLAY_MESSAGE_POSITION_UPDATED: Sink position changed
* @GST_PLAY_MESSAGE_DURATION_CHANGED: Duration of stream changed
* @GST_PLAY_MESSAGE_STATE_CHANGED: State changed, see #GstPlayState
* @GST_PLAY_MESSAGE_BUFFERING: Pipeline is in buffering state, message contains the percentage value of the decoding buffer
* @GST_PLAY_MESSAGE_END_OF_STREAM: Sink has received EOS
* @GST_PLAY_MESSAGE_ERROR: Message contains an error
* @GST_PLAY_MESSAGE_WARNING: Message contains an error
* @GST_PLAY_MESSAGE_VIDEO_DIMENSIONS_CHANGED: Video sink received format in different dimensions than before
* @GST_PLAY_MESSAGE_MEDIA_INFO_UPDATED: A media-info property has changed, message contains current #GstPlayMediaInfo
* @GST_PLAY_MESSAGE_VOLUME_CHANGED: The volume of the audio ouput has changed
* @GST_PLAY_MESSAGE_MUTE_CHANGED: Audio muting flag has been toggled
* @GST_PLAY_MESSAGE_SEEK_DONE: Any pending seeking operation has been completed
*
* Since: 1.20
*
* Types of messages that will be posted on the play API bus.
*
* See also #gst_play_get_message_bus()
*
*/
typedef enum
{
GST_PLAY_MESSAGE_URI_LOADED,
GST_PLAY_MESSAGE_POSITION_UPDATED,
GST_PLAY_MESSAGE_DURATION_CHANGED,
GST_PLAY_MESSAGE_STATE_CHANGED,
GST_PLAY_MESSAGE_BUFFERING,
GST_PLAY_MESSAGE_END_OF_STREAM,
GST_PLAY_MESSAGE_ERROR,
GST_PLAY_MESSAGE_WARNING,
GST_PLAY_MESSAGE_VIDEO_DIMENSIONS_CHANGED,
GST_PLAY_MESSAGE_MEDIA_INFO_UPDATED,
GST_PLAY_MESSAGE_VOLUME_CHANGED,
GST_PLAY_MESSAGE_MUTE_CHANGED,
GST_PLAY_MESSAGE_SEEK_DONE
} GstPlayMessage;
GST_PLAY_API
const gchar *gst_play_state_get_name (GstPlayState state);
GST_PLAY_API
const gchar *gst_play_message_get_name (GstPlayMessage message_type);
GST_PLAY_API
GQuark gst_play_error_quark (void);
GST_PLAY_API
GType gst_play_error_get_type (void);
/**
* GST_PLAY_ERROR:
*
* Since: 1.20
*/
#define GST_PLAY_ERROR (gst_play_error_quark ())
/**
* GST_TYPE_PLAY_ERROR:
*
* Since: 1.20
*/
#define GST_TYPE_PLAY_ERROR (gst_play_error_get_type ())
/**
* GstPlayError:
* @GST_PLAY_ERROR_FAILED: generic error.
*
* Since: 1.20
*/
typedef enum {
GST_PLAY_ERROR_FAILED = 0
} GstPlayError;
GST_PLAY_API
const gchar *gst_play_error_get_name (GstPlayError error);
GST_PLAY_API
GType gst_play_color_balance_type_get_type (void);
/**
* GST_TYPE_PLAY_COLOR_BALANCE_TYPE:
*
* Since: 1.20
*/
#define GST_TYPE_PLAY_COLOR_BALANCE_TYPE (gst_play_color_balance_type_get_type ())
/**
* GstPlayColorBalanceType:
* @GST_PLAY_COLOR_BALANCE_BRIGHTNESS: brightness or black level.
* @GST_PLAY_COLOR_BALANCE_CONTRAST: contrast or luma gain.
* @GST_PLAY_COLOR_BALANCE_SATURATION: color saturation or chroma
* gain.
* @GST_PLAY_COLOR_BALANCE_HUE: hue or color balance.
*
* Since: 1.20
*/
typedef enum
{
GST_PLAY_COLOR_BALANCE_BRIGHTNESS,
GST_PLAY_COLOR_BALANCE_CONTRAST,
GST_PLAY_COLOR_BALANCE_SATURATION,
GST_PLAY_COLOR_BALANCE_HUE,
} GstPlayColorBalanceType;
GST_PLAY_API
const gchar *gst_play_color_balance_type_get_name (GstPlayColorBalanceType type);
#define GST_TYPE_PLAY (gst_play_get_type ())
#define GST_IS_PLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY))
#define GST_IS_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY))
#define GST_PLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLAY, GstPlayClass))
#define GST_PLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY, GstPlay))
#define GST_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY, GstPlayClass))
/**
* GST_PLAY_CAST:
* Since: 1.20
*/
#define GST_PLAY_CAST(obj) ((GstPlay*)(obj))
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstPlay, gst_object_unref)
#endif
GST_PLAY_API
GType gst_play_get_type (void);
GST_PLAY_API
GstPlay * gst_play_new (GstPlayVideoRenderer * video_renderer);
GST_PLAY_API
GstBus * gst_play_get_message_bus (GstPlay * play);
GST_PLAY_API
void gst_play_play (GstPlay * play);
GST_PLAY_API
void gst_play_pause (GstPlay * play);
GST_PLAY_API
void gst_play_stop (GstPlay * play);
GST_PLAY_API
void gst_play_seek (GstPlay * play,
GstClockTime position);
GST_PLAY_API
void gst_play_set_rate (GstPlay * play,
gdouble rate);
GST_PLAY_API
gdouble gst_play_get_rate (GstPlay * play);
GST_PLAY_API
gchar * gst_play_get_uri (GstPlay * play);
GST_PLAY_API
void gst_play_set_uri (GstPlay * play,
const gchar * uri);
GST_PLAY_API
gchar * gst_play_get_subtitle_uri (GstPlay * play);
GST_PLAY_API
void gst_play_set_subtitle_uri (GstPlay * play,
const gchar *uri);
GST_PLAY_API
GstClockTime gst_play_get_position (GstPlay * play);
GST_PLAY_API
GstClockTime gst_play_get_duration (GstPlay * play);
GST_PLAY_API
gdouble gst_play_get_volume (GstPlay * play);
GST_PLAY_API
void gst_play_set_volume (GstPlay * play,
gdouble val);
GST_PLAY_API
gboolean gst_play_get_mute (GstPlay * play);
GST_PLAY_API
void gst_play_set_mute (GstPlay * play,
gboolean val);
GST_PLAY_API
GstElement * gst_play_get_pipeline (GstPlay * play);
GST_PLAY_API
void gst_play_set_video_track_enabled (GstPlay * play,
gboolean enabled);
GST_PLAY_API
void gst_play_set_audio_track_enabled (GstPlay * play,
gboolean enabled);
GST_PLAY_API
void gst_play_set_subtitle_track_enabled (GstPlay * play,
gboolean enabled);
GST_PLAY_API
gboolean gst_play_set_audio_track (GstPlay *play,
gint stream_index);
GST_PLAY_API
gboolean gst_play_set_video_track (GstPlay *play,
gint stream_index);
GST_PLAY_API
gboolean gst_play_set_subtitle_track (GstPlay *play,
gint stream_index);
GST_PLAY_API
GstPlayMediaInfo * gst_play_get_media_info (GstPlay * play);
GST_PLAY_API
GstPlayAudioInfo * gst_play_get_current_audio_track (GstPlay * play);
GST_PLAY_API
GstPlayVideoInfo * gst_play_get_current_video_track (GstPlay * play);
GST_PLAY_API
GstPlaySubtitleInfo * gst_play_get_current_subtitle_track (GstPlay * play);
GST_PLAY_API
gboolean gst_play_set_visualization (GstPlay * play,
const gchar *name);
GST_PLAY_API
void gst_play_set_visualization_enabled (GstPlay * play,
gboolean enabled);
GST_PLAY_API
gchar * gst_play_get_current_visualization (GstPlay * play);
GST_PLAY_API
gboolean gst_play_has_color_balance (GstPlay * play);
GST_PLAY_API
void gst_play_set_color_balance (GstPlay * play,
GstPlayColorBalanceType type,
gdouble value);
GST_PLAY_API
gdouble gst_play_get_color_balance (GstPlay * play,
GstPlayColorBalanceType type);
GST_PLAY_API
GstVideoMultiviewFramePacking gst_play_get_multiview_mode (GstPlay * play);
GST_PLAY_API
void gst_play_set_multiview_mode (GstPlay * play,
GstVideoMultiviewFramePacking mode);
GST_PLAY_API
GstVideoMultiviewFlags gst_play_get_multiview_flags (GstPlay * play);
GST_PLAY_API
void gst_play_set_multiview_flags (GstPlay * play,
GstVideoMultiviewFlags flags);
GST_PLAY_API
gint64 gst_play_get_audio_video_offset (GstPlay * play);
GST_PLAY_API
void gst_play_set_audio_video_offset (GstPlay * play,
gint64 offset);
GST_PLAY_API
gint64 gst_play_get_subtitle_video_offset (GstPlay * play);
GST_PLAY_API
void gst_play_set_subtitle_video_offset (GstPlay * play,
gint64 offset);
GST_PLAY_API
gboolean gst_play_set_config (GstPlay * play,
GstStructure * config);
GST_PLAY_API
GstStructure * gst_play_get_config (GstPlay * play);
/* helpers for configuring the config structure */
GST_PLAY_API
void gst_play_config_set_user_agent (GstStructure * config,
const gchar * agent);
GST_PLAY_API
gchar * gst_play_config_get_user_agent (const GstStructure * config);
GST_PLAY_API
void gst_play_config_set_position_update_interval (GstStructure * config,
guint interval);
GST_PLAY_API
guint gst_play_config_get_position_update_interval (const GstStructure * config);
GST_PLAY_API
void gst_play_config_set_seek_accurate (GstStructure * config, gboolean accurate);
GST_PLAY_API
gboolean gst_play_config_get_seek_accurate (const GstStructure * config);
/**
* GstPlaySnapshotFormat:
* @GST_PLAY_THUMBNAIL_RAW_NATIVE: raw native format.
* @GST_PLAY_THUMBNAIL_RAW_xRGB: raw xRGB format.
* @GST_PLAY_THUMBNAIL_RAW_BGRx: raw BGRx format.
* @GST_PLAY_THUMBNAIL_JPG: jpeg format.
* @GST_PLAY_THUMBNAIL_PNG: png format.
*
* Since: 1.20
*/
typedef enum
{
GST_PLAY_THUMBNAIL_RAW_NATIVE = 0,
GST_PLAY_THUMBNAIL_RAW_xRGB,
GST_PLAY_THUMBNAIL_RAW_BGRx,
GST_PLAY_THUMBNAIL_JPG,
GST_PLAY_THUMBNAIL_PNG
} GstPlaySnapshotFormat;
GST_PLAY_API
GstSample * gst_play_get_video_snapshot (GstPlay * play,
GstPlaySnapshotFormat format, const GstStructure * config);
GST_PLAY_API
gboolean gst_play_is_play_message (GstMessage *msg);
GST_PLAY_API
void gst_play_message_parse_type (GstMessage *msg, GstPlayMessage *type);
GST_PLAY_API
void gst_play_message_parse_duration_updated (GstMessage *msg, GstClockTime *duration);
GST_PLAY_API
void gst_play_message_parse_position_updated (GstMessage *msg, GstClockTime *position);
GST_PLAY_API
void gst_play_message_parse_state_changed (GstMessage *msg, GstPlayState *state);
GST_PLAY_API
void gst_play_message_parse_buffering_percent (GstMessage *msg, guint *percent);
GST_PLAY_API
void gst_play_message_parse_error (GstMessage *msg, GError *error, GstStructure **details);
GST_PLAY_API
void gst_play_message_parse_warning (GstMessage *msg, GError *error, GstStructure **details);
GST_PLAY_API
void gst_play_message_parse_video_dimensions_changed (GstMessage *msg, guint *width, guint *height);
GST_PLAY_API
void gst_play_message_parse_media_info_updated (GstMessage *msg, GstPlayMediaInfo **info);
GST_PLAY_API
void gst_play_message_parse_volume_changed (GstMessage *msg, gdouble *volume);
GST_PLAY_API
void gst_play_message_parse_muted_changed (GstMessage *msg, gboolean *muted);
G_END_DECLS
#endif /* __GST_PLAY_H__ */
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