/* GStreamer * * Copyright (C) 2014-2015 Sebastian Dröge * Copyright (C) 2019-2020 Stephan Hesse * Copyright (C) 2020 Philippe Normand * * 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 #include #include #include #include #include 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); GST_PLAY_API void gst_play_config_set_pipeline_dump_in_error_details (GstStructure * config, gboolean value); GST_PLAY_API gboolean gst_play_config_get_pipeline_dump_in_error_details (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__ */