mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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5da635c2da
* Consistently name parse functions according to their message type and
deprecate the misnamed ones,
* Add missing parse functions,
* Check for the correct message type when parsing
* Use correct field name for warning message details
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7754>
461 lines
15 KiB
C
461 lines
15 KiB
C
/* GStreamer
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*
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* Copyright (C) 2014-2015 Sebastian Dröge <sebastian@centricular.com>
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* Copyright (C) 2019-2020 Stephan Hesse <stephan@emliri.com>
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* Copyright (C) 2020 Philippe Normand <philn@igalia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_PLAY_H__
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#define __GST_PLAY_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/play/play-prelude.h>
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#include <gst/play/gstplay-types.h>
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#include <gst/play/gstplay-video-renderer.h>
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#include <gst/play/gstplay-media-info.h>
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G_BEGIN_DECLS
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GST_PLAY_API
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GType gst_play_state_get_type (void);
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/**
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* GST_TYPE_PLAY_STATE:
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* Since: 1.20
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*/
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#define GST_TYPE_PLAY_STATE (gst_play_state_get_type ())
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GST_PLAY_API
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GType gst_play_message_get_type (void);
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/**
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* GST_TYPE_PLAY_MESSAGE:
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* Since: 1.20
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*/
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#define GST_TYPE_PLAY_MESSAGE (gst_play_message_get_type ())
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/**
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* GstPlayState:
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* @GST_PLAY_STATE_STOPPED: the play is stopped.
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* @GST_PLAY_STATE_BUFFERING: the play is buffering.
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* @GST_PLAY_STATE_PAUSED: the play is paused.
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* @GST_PLAY_STATE_PLAYING: the play is currently playing a
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* stream.
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*
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* Since: 1.20
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*/
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typedef enum
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{
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GST_PLAY_STATE_STOPPED,
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GST_PLAY_STATE_BUFFERING,
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GST_PLAY_STATE_PAUSED,
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GST_PLAY_STATE_PLAYING
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} GstPlayState;
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/**
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* GstPlayMessage:
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* @GST_PLAY_MESSAGE_URI_LOADED: Source element was initalized for set URI
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* @GST_PLAY_MESSAGE_POSITION_UPDATED: Sink position changed
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* @GST_PLAY_MESSAGE_DURATION_CHANGED: Duration of stream changed
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* @GST_PLAY_MESSAGE_STATE_CHANGED: State changed, see #GstPlayState
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* @GST_PLAY_MESSAGE_BUFFERING: Pipeline is in buffering state, message contains the percentage value of the decoding buffer
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* @GST_PLAY_MESSAGE_END_OF_STREAM: Sink has received EOS
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* @GST_PLAY_MESSAGE_ERROR: Message contains an error
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* @GST_PLAY_MESSAGE_WARNING: Message contains an error
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* @GST_PLAY_MESSAGE_VIDEO_DIMENSIONS_CHANGED: Video sink received format in different dimensions than before
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* @GST_PLAY_MESSAGE_MEDIA_INFO_UPDATED: A media-info property has changed, message contains current #GstPlayMediaInfo
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* @GST_PLAY_MESSAGE_VOLUME_CHANGED: The volume of the audio ouput has changed
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* @GST_PLAY_MESSAGE_MUTE_CHANGED: Audio muting flag has been toggled
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* @GST_PLAY_MESSAGE_SEEK_DONE: Any pending seeking operation has been completed
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*
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* Since: 1.20
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*
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* Types of messages that will be posted on the play API bus.
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*
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* See also #gst_play_get_message_bus()
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*
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*/
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typedef enum
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{
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GST_PLAY_MESSAGE_URI_LOADED,
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GST_PLAY_MESSAGE_POSITION_UPDATED,
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GST_PLAY_MESSAGE_DURATION_CHANGED,
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GST_PLAY_MESSAGE_STATE_CHANGED,
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GST_PLAY_MESSAGE_BUFFERING,
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GST_PLAY_MESSAGE_END_OF_STREAM,
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GST_PLAY_MESSAGE_ERROR,
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GST_PLAY_MESSAGE_WARNING,
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GST_PLAY_MESSAGE_VIDEO_DIMENSIONS_CHANGED,
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GST_PLAY_MESSAGE_MEDIA_INFO_UPDATED,
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GST_PLAY_MESSAGE_VOLUME_CHANGED,
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GST_PLAY_MESSAGE_MUTE_CHANGED,
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GST_PLAY_MESSAGE_SEEK_DONE
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} GstPlayMessage;
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GST_PLAY_API
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const gchar *gst_play_state_get_name (GstPlayState state);
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GST_PLAY_API
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const gchar *gst_play_message_get_name (GstPlayMessage message_type);
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GST_PLAY_API
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GQuark gst_play_error_quark (void);
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GST_PLAY_API
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GType gst_play_error_get_type (void);
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/**
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* GST_PLAY_ERROR:
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*
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* Since: 1.20
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*/
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#define GST_PLAY_ERROR (gst_play_error_quark ())
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/**
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* GST_TYPE_PLAY_ERROR:
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*
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* Since: 1.20
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*/
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#define GST_TYPE_PLAY_ERROR (gst_play_error_get_type ())
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/**
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* GstPlayError:
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* @GST_PLAY_ERROR_FAILED: generic error.
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*
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* Since: 1.20
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*/
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typedef enum {
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GST_PLAY_ERROR_FAILED = 0
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} GstPlayError;
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GST_PLAY_API
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const gchar *gst_play_error_get_name (GstPlayError error);
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GST_PLAY_API
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GType gst_play_color_balance_type_get_type (void);
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/**
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* GST_TYPE_PLAY_COLOR_BALANCE_TYPE:
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*
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* Since: 1.20
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*/
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#define GST_TYPE_PLAY_COLOR_BALANCE_TYPE (gst_play_color_balance_type_get_type ())
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/**
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* GstPlayColorBalanceType:
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* @GST_PLAY_COLOR_BALANCE_BRIGHTNESS: brightness or black level.
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* @GST_PLAY_COLOR_BALANCE_CONTRAST: contrast or luma gain.
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* @GST_PLAY_COLOR_BALANCE_SATURATION: color saturation or chroma
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* gain.
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* @GST_PLAY_COLOR_BALANCE_HUE: hue or color balance.
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*
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* Since: 1.20
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*/
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typedef enum
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{
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GST_PLAY_COLOR_BALANCE_BRIGHTNESS,
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GST_PLAY_COLOR_BALANCE_CONTRAST,
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GST_PLAY_COLOR_BALANCE_SATURATION,
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GST_PLAY_COLOR_BALANCE_HUE,
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} GstPlayColorBalanceType;
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GST_PLAY_API
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const gchar *gst_play_color_balance_type_get_name (GstPlayColorBalanceType type);
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#define GST_TYPE_PLAY (gst_play_get_type ())
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#define GST_IS_PLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY))
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#define GST_IS_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY))
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#define GST_PLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLAY, GstPlayClass))
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#define GST_PLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY, GstPlay))
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#define GST_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY, GstPlayClass))
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/**
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* GST_PLAY_CAST:
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* Since: 1.20
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*/
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#define GST_PLAY_CAST(obj) ((GstPlay*)(obj))
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#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstPlay, gst_object_unref)
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#endif
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GST_PLAY_API
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GType gst_play_get_type (void);
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GST_PLAY_API
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GstPlay * gst_play_new (GstPlayVideoRenderer * video_renderer);
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GST_PLAY_API
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GstBus * gst_play_get_message_bus (GstPlay * play);
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GST_PLAY_API
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void gst_play_play (GstPlay * play);
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GST_PLAY_API
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void gst_play_pause (GstPlay * play);
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GST_PLAY_API
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void gst_play_stop (GstPlay * play);
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GST_PLAY_API
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void gst_play_seek (GstPlay * play,
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GstClockTime position);
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GST_PLAY_API
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void gst_play_set_rate (GstPlay * play,
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gdouble rate);
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GST_PLAY_API
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gdouble gst_play_get_rate (GstPlay * play);
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GST_PLAY_API
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gchar * gst_play_get_uri (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_uri (GstPlay * play,
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const gchar * uri);
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GST_PLAY_API
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gchar * gst_play_get_subtitle_uri (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_subtitle_uri (GstPlay * play,
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const gchar *uri);
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GST_PLAY_API
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GstClockTime gst_play_get_position (GstPlay * play);
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GST_PLAY_API
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GstClockTime gst_play_get_duration (GstPlay * play);
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GST_PLAY_API
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gdouble gst_play_get_volume (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_volume (GstPlay * play,
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gdouble val);
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GST_PLAY_API
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gboolean gst_play_get_mute (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_mute (GstPlay * play,
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gboolean val);
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GST_PLAY_API
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GstElement * gst_play_get_pipeline (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_video_track_enabled (GstPlay * play,
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gboolean enabled);
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GST_PLAY_API
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void gst_play_set_audio_track_enabled (GstPlay * play,
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gboolean enabled);
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GST_PLAY_API
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void gst_play_set_subtitle_track_enabled (GstPlay * play,
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gboolean enabled);
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GST_PLAY_API
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gboolean gst_play_set_audio_track (GstPlay *play,
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gint stream_index);
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GST_PLAY_API
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gboolean gst_play_set_video_track (GstPlay *play,
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gint stream_index);
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GST_PLAY_API
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gboolean gst_play_set_subtitle_track (GstPlay *play,
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gint stream_index);
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GST_PLAY_API
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GstPlayMediaInfo * gst_play_get_media_info (GstPlay * play);
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GST_PLAY_API
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GstPlayAudioInfo * gst_play_get_current_audio_track (GstPlay * play);
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GST_PLAY_API
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GstPlayVideoInfo * gst_play_get_current_video_track (GstPlay * play);
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GST_PLAY_API
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GstPlaySubtitleInfo * gst_play_get_current_subtitle_track (GstPlay * play);
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GST_PLAY_API
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gboolean gst_play_set_visualization (GstPlay * play,
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const gchar *name);
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GST_PLAY_API
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void gst_play_set_visualization_enabled (GstPlay * play,
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gboolean enabled);
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GST_PLAY_API
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gchar * gst_play_get_current_visualization (GstPlay * play);
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GST_PLAY_API
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gboolean gst_play_has_color_balance (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_color_balance (GstPlay * play,
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GstPlayColorBalanceType type,
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gdouble value);
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GST_PLAY_API
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gdouble gst_play_get_color_balance (GstPlay * play,
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GstPlayColorBalanceType type);
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GST_PLAY_API
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GstVideoMultiviewFramePacking gst_play_get_multiview_mode (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_multiview_mode (GstPlay * play,
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GstVideoMultiviewFramePacking mode);
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GST_PLAY_API
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GstVideoMultiviewFlags gst_play_get_multiview_flags (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_multiview_flags (GstPlay * play,
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GstVideoMultiviewFlags flags);
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GST_PLAY_API
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gint64 gst_play_get_audio_video_offset (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_audio_video_offset (GstPlay * play,
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gint64 offset);
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GST_PLAY_API
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gint64 gst_play_get_subtitle_video_offset (GstPlay * play);
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GST_PLAY_API
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void gst_play_set_subtitle_video_offset (GstPlay * play,
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gint64 offset);
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GST_PLAY_API
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gboolean gst_play_set_config (GstPlay * play,
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GstStructure * config);
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GST_PLAY_API
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GstStructure * gst_play_get_config (GstPlay * play);
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/* helpers for configuring the config structure */
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GST_PLAY_API
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void gst_play_config_set_user_agent (GstStructure * config,
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const gchar * agent);
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GST_PLAY_API
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gchar * gst_play_config_get_user_agent (const GstStructure * config);
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GST_PLAY_API
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void gst_play_config_set_position_update_interval (GstStructure * config,
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guint interval);
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GST_PLAY_API
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guint gst_play_config_get_position_update_interval (const GstStructure * config);
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GST_PLAY_API
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void gst_play_config_set_seek_accurate (GstStructure * config, gboolean accurate);
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GST_PLAY_API
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gboolean gst_play_config_get_seek_accurate (const GstStructure * config);
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GST_PLAY_API
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void gst_play_config_set_pipeline_dump_in_error_details (GstStructure * config,
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gboolean value);
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GST_PLAY_API
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gboolean gst_play_config_get_pipeline_dump_in_error_details (const GstStructure * config);
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/**
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* GstPlaySnapshotFormat:
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* @GST_PLAY_THUMBNAIL_RAW_NATIVE: raw native format.
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* @GST_PLAY_THUMBNAIL_RAW_xRGB: raw xRGB format.
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* @GST_PLAY_THUMBNAIL_RAW_BGRx: raw BGRx format.
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* @GST_PLAY_THUMBNAIL_JPG: jpeg format.
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* @GST_PLAY_THUMBNAIL_PNG: png format.
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*
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* Since: 1.20
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*/
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typedef enum
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{
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GST_PLAY_THUMBNAIL_RAW_NATIVE = 0,
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GST_PLAY_THUMBNAIL_RAW_xRGB,
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GST_PLAY_THUMBNAIL_RAW_BGRx,
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GST_PLAY_THUMBNAIL_JPG,
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GST_PLAY_THUMBNAIL_PNG
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} GstPlaySnapshotFormat;
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GST_PLAY_API
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GstSample * gst_play_get_video_snapshot (GstPlay * play,
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GstPlaySnapshotFormat format, const GstStructure * config);
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GST_PLAY_API
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gboolean gst_play_is_play_message (GstMessage *msg);
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GST_PLAY_API
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void gst_play_message_parse_type (GstMessage *msg, GstPlayMessage *type);
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GST_PLAY_API
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void gst_play_message_parse_uri_loaded (GstMessage *msg, gchar **uri);
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GST_PLAY_DEPRECATED_FOR(gst_play_message_parse_duration_changed)
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void gst_play_message_parse_duration_updated (GstMessage *msg, GstClockTime *duration);
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GST_PLAY_API
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void gst_play_message_parse_duration_changed (GstMessage *msg, GstClockTime *duration);
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GST_PLAY_API
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void gst_play_message_parse_position_updated (GstMessage *msg, GstClockTime *position);
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GST_PLAY_API
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void gst_play_message_parse_state_changed (GstMessage *msg, GstPlayState *state);
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GST_PLAY_DEPRECATED_FOR(gst_play_message_parse_buffering_percent)
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void gst_play_message_parse_buffering_percent (GstMessage *msg, guint *percent);
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GST_PLAY_API
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void gst_play_message_parse_buffering (GstMessage *msg, guint *percent);
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GST_PLAY_API
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void gst_play_message_parse_error (GstMessage *msg, GError **error, GstStructure **details);
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GST_PLAY_API
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void gst_play_message_parse_warning (GstMessage *msg, GError **error, GstStructure **details);
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GST_PLAY_API
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void gst_play_message_parse_video_dimensions_changed (GstMessage *msg, guint *width, guint *height);
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GST_PLAY_API
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void gst_play_message_parse_media_info_updated (GstMessage *msg, GstPlayMediaInfo **info);
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GST_PLAY_API
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void gst_play_message_parse_volume_changed (GstMessage *msg, gdouble *volume);
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GST_PLAY_API
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void gst_play_message_parse_muted_changed (GstMessage *msg, gboolean *muted);
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GST_PLAY_API
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void gst_play_message_parse_seek_done (GstMessage *msg, GstClockTime *position);
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G_END_DECLS
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#endif /* __GST_PLAY_H__ */
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