/*****************************************************************************
* video_output.h : video output thread
- * This module describes the programming interface for video output threads.
- * It includes functions allowing to open a new thread, send pictures to a
- * thread, and destroy a previously opened video output thread.
*****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
- * $Id: video_output.h,v 1.88 2002/11/28 17:34:59 sam Exp $
+ * Copyright (C) 1999, 2000 the VideoLAN team
+ * $Id$
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@via.ecp.fr>
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program 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
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-/*****************************************************************************
- * vout_chroma_t: Chroma conversion function
- *****************************************************************************
+/**
+ * \defgroup video_output Video Output
+ * This module describes the programming interface for video output threads.
+ * It includes functions allowing to open a new thread, send pictures to a
+ * thread, and destroy a previously opened video output thread.
+ * @{
+ */
+
+/**
+ * Chroma conversion function
+ *
* This is the prototype common to all conversion functions.
- * Parameters:
- * p_source source picture
- * p_dest destination picture
+ * \param p_vout video output thread
+ * \param p_source source picture
+ * \param p_dest destination picture
* Picture width and source dimensions must be multiples of 16.
- *****************************************************************************/
+ */
typedef void (vout_chroma_convert_t)( vout_thread_t *,
picture_t *, picture_t * );
typedef struct vout_chroma_t
{
- /* conversion functions */
+ /** conversion functions */
vout_chroma_convert_t *pf_convert;
- /* Private module-dependant data */
+ /** Private module-dependant data */
chroma_sys_t * p_sys; /* private data */
- /* Plugin used and shortcuts to access its capabilities */
+ /** Plugin used and shortcuts to access its capabilities */
module_t * p_module;
} vout_chroma_t;
-/*****************************************************************************
- * vout_thread_t: video output thread descriptor
- *****************************************************************************
+/**
+ * Video output thread descriptor
+ *
* Any independant video output device, such as an X11 window or a GGI device,
* is represented by a video output thread, and described using the following
* structure.
- *****************************************************************************/
+ */
struct vout_thread_t
{
VLC_COMMON_MEMBERS
- /* Thread properties and lock */
- vlc_mutex_t picture_lock; /* picture heap lock */
- vlc_mutex_t subpicture_lock; /* subpicture heap lock */
- vlc_mutex_t change_lock; /* thread change lock */
- vout_sys_t * p_sys; /* system output method */
-
- /* Current display properties */
- uint16_t i_changes; /* changes made to the thread */
- float f_gamma; /* gamma */
- vlc_bool_t b_grayscale; /* color or grayscale display */
- vlc_bool_t b_info; /* print additional information */
- vlc_bool_t b_interface; /* render interface */
- vlc_bool_t b_scale; /* allow picture scaling */
- vlc_bool_t b_fullscreen; /* toogle fullscreen display */
- mtime_t render_time; /* last picture render time */
- int i_window_width; /* video window width */
- int i_window_height; /* video window height */
-
- /* Plugin used and shortcuts to access its capabilities */
+ /** \name Thread properties and locks */
+ /**@{*/
+ vlc_mutex_t picture_lock; /**< picture heap lock */
+ vlc_mutex_t subpicture_lock; /**< subpicture heap lock */
+ vlc_mutex_t change_lock; /**< thread change lock */
+ vout_sys_t * p_sys; /**< system output method */
+ /**@}*/
+
+ /** \name Current display properties */
+ /**@{*/
+ uint16_t i_changes; /**< changes made to the thread.
+ \see \ref vout_changes */
+ float f_gamma; /**< gamma */
+ vlc_bool_t b_grayscale; /**< color or grayscale display */
+ vlc_bool_t b_info; /**< print additional information */
+ vlc_bool_t b_interface; /**< render interface */
+ vlc_bool_t b_scale; /**< allow picture scaling */
+ vlc_bool_t b_fullscreen; /**< toogle fullscreen display */
+ uint32_t render_time; /**< last picture render time */
+ unsigned int i_window_width; /**< video window width */
+ unsigned int i_window_height; /**< video window height */
+ unsigned int i_alignment; /**< video alignment in window */
+ unsigned int i_par_num; /**< monitor pixel aspect-ratio */
+ unsigned int i_par_den; /**< monitor pixel aspect-ratio */
+
+ intf_thread_t *p_parent_intf; /**< parent interface for embedded
+ vout (if any) */
+ /**@}*/
+
+ /** \name Plugin used and shortcuts to access its capabilities */
+ /**@{*/
module_t * p_module;
int ( *pf_init ) ( vout_thread_t * );
void ( *pf_end ) ( vout_thread_t * );
int ( *pf_manage ) ( vout_thread_t * );
void ( *pf_render ) ( vout_thread_t *, picture_t * );
void ( *pf_display ) ( vout_thread_t *, picture_t * );
+ void ( *pf_swap ) ( vout_thread_t * ); /* OpenGL only */
+ int ( *pf_lock ) ( vout_thread_t * ); /* OpenGL only */
+ void ( *pf_unlock ) ( vout_thread_t * ); /* OpenGL only */
+ int ( *pf_control ) ( vout_thread_t *, int, va_list );
+ /**@}*/
- /* Statistics - these numbers are not supposed to be accurate, but are a
+ /** \name Statistics
+ * These numbers are not supposed to be accurate, but are a
* good indication of the thread status */
- count_t c_fps_samples; /* picture counts */
- mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /* FPS samples dates */
+ /**@{*/
+ count_t c_fps_samples; /**< picture counts */
+ mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /**< FPS samples dates */
+ /**@}*/
+
+ /** \name Video heap and translation tables */
+ /**@{*/
+ int i_heap_size; /**< heap size */
+ picture_heap_t render; /**< rendered pictures */
+ picture_heap_t output; /**< direct buffers */
+ vlc_bool_t b_direct; /**< rendered are like direct ? */
+ vout_chroma_t chroma; /**< translation tables */
- /* Video heap and translation tables */
- int i_heap_size; /* heap size */
- picture_heap_t render; /* rendered pictures */
- picture_heap_t output; /* direct buffers */
- vlc_bool_t b_direct; /* rendered are like direct ? */
- vout_chroma_t chroma; /* translation tables */
+ video_format_t fmt_render; /* render format (from the decoder) */
+ video_format_t fmt_in; /* input (modified render) format */
+ video_format_t fmt_out; /* output format (for the video output) */
+ /**@}*/
- /* Picture and subpicture heaps */
- picture_t p_picture[2*VOUT_MAX_PICTURES]; /* pictures */
- subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
+ /* Picture heap */
+ picture_t p_picture[2*VOUT_MAX_PICTURES+1]; /**< pictures */
- /* Bitmap fonts */
- vout_font_t * p_default_font; /* default font */
- vout_font_t * p_large_font; /* large font */
+ /* Subpicture unit */
+ spu_t *p_spu;
/* Statistics */
- count_t c_loops;
- count_t c_pictures, c_late_pictures;
- mtime_t display_jitter; /* average deviation from the PTS */
- count_t c_jitter_samples; /* number of samples used for the *
- * calculation of the jitter */
+ count_t c_loops;
+ count_t c_pictures, c_late_pictures;
+ mtime_t display_jitter; /**< average deviation from the PTS */
+ count_t c_jitter_samples; /**< number of samples used
+ for the calculation of the
+ jitter */
+ /** delay created by internal caching */
+ int i_pts_delay;
/* Filter chain */
char *psz_filter_chain;
+ vlc_bool_t b_filter_change;
+
+ /* Misc */
+ vlc_bool_t b_snapshot; /**< take one snapshot on the next loop */
};
#define I_OUTPUTPICTURES p_vout->output.i_pictures
#define I_RENDERPICTURES p_vout->render.i_pictures
#define PP_RENDERPICTURE p_vout->render.pp_picture
-/* Flags for changes - these flags are set in the i_changes field when another
- * thread changed a variable */
-#define VOUT_INFO_CHANGE 0x0001 /* b_info changed */
-#define VOUT_GRAYSCALE_CHANGE 0x0002 /* b_grayscale changed */
-#define VOUT_INTF_CHANGE 0x0004 /* b_interface changed */
-#define VOUT_SCALE_CHANGE 0x0008 /* b_scale changed */
-#define VOUT_GAMMA_CHANGE 0x0010 /* gamma changed */
-#define VOUT_CURSOR_CHANGE 0x0020 /* b_cursor changed */
-#define VOUT_FULLSCREEN_CHANGE 0x0040 /* b_fullscreen changed */
-#define VOUT_SIZE_CHANGE 0x0200 /* size changed */
-#define VOUT_DEPTH_CHANGE 0x0400 /* depth changed */
-#define VOUT_CHROMA_CHANGE 0x0800 /* change chroma tables */
+/** \defgroup vout_changes Flags for changes
+ * These flags are set in the vout_thread_t::i_changes field when another
+ * thread changed a variable
+ * @{
+ */
+/** b_info changed */
+#define VOUT_INFO_CHANGE 0x0001
+/** b_grayscale changed */
+#define VOUT_GRAYSCALE_CHANGE 0x0002
+/** b_interface changed */
+#define VOUT_INTF_CHANGE 0x0004
+/** b_scale changed */
+#define VOUT_SCALE_CHANGE 0x0008
+/** gamma changed */
+#define VOUT_GAMMA_CHANGE 0x0010
+/** b_cursor changed */
+#define VOUT_CURSOR_CHANGE 0x0020
+/** b_fullscreen changed */
+#define VOUT_FULLSCREEN_CHANGE 0x0040
+/** size changed */
+#define VOUT_SIZE_CHANGE 0x0200
+/** depth changed */
+#define VOUT_DEPTH_CHANGE 0x0400
+/** change chroma tables */
+#define VOUT_CHROMA_CHANGE 0x0800
+/** cropping parameters changed */
+#define VOUT_CROP_CHANGE 0x1000
+/** aspect ratio changed */
+#define VOUT_ASPECT_CHANGE 0x2000
+/** change/recreate picture buffers */
+#define VOUT_PICTURE_BUFFERS_CHANGE 0x4000
+/**@}*/
+
+/* Alignment flags */
+#define VOUT_ALIGN_LEFT 0x0001
+#define VOUT_ALIGN_RIGHT 0x0002
+#define VOUT_ALIGN_HMASK 0x0003
+#define VOUT_ALIGN_TOP 0x0004
+#define VOUT_ALIGN_BOTTOM 0x0008
+#define VOUT_ALIGN_VMASK 0x000C
#define MAX_JITTER_SAMPLES 20
/*****************************************************************************
* Prototypes
*****************************************************************************/
-#define vout_Request(a,b,c,d,e,f) __vout_Request(VLC_OBJECT(a),b,c,d,e,f)
-VLC_EXPORT( vout_thread_t *, __vout_Request, ( vlc_object_t *, vout_thread_t *, unsigned int, unsigned int, uint32_t, unsigned int ) );
-#define vout_Create(a,b,c,d,e) __vout_Create(VLC_OBJECT(a),b,c,d,e)
-VLC_EXPORT( vout_thread_t *, __vout_Create, ( vlc_object_t *, unsigned int, unsigned int, uint32_t, unsigned int ) );
+#define vout_Request(a,b,c) __vout_Request(VLC_OBJECT(a),b,c)
+VLC_EXPORT( vout_thread_t *, __vout_Request, ( vlc_object_t *, vout_thread_t *, video_format_t * ) );
+#define vout_Create(a,b) __vout_Create(VLC_OBJECT(a),b)
+VLC_EXPORT( vout_thread_t *, __vout_Create, ( vlc_object_t *, video_format_t * ) );
VLC_EXPORT( void, vout_Destroy, ( vout_thread_t * ) );
+VLC_EXPORT( int, vout_VarCallback, ( vlc_object_t *, const char *, vlc_value_t, vlc_value_t, void * ) );
VLC_EXPORT( int, vout_ChromaCmp, ( uint32_t, uint32_t ) );
-VLC_EXPORT( picture_t *, vout_CreatePicture, ( vout_thread_t *, vlc_bool_t, vlc_bool_t, vlc_bool_t ) );
-VLC_EXPORT( void, vout_AllocatePicture,( vout_thread_t *, picture_t *, int, int, uint32_t ) );
+VLC_EXPORT( picture_t *, vout_CreatePicture, ( vout_thread_t *, vlc_bool_t, vlc_bool_t, unsigned int ) );
+VLC_EXPORT( void, vout_InitFormat, ( video_frame_format_t *, uint32_t, int, int, int ) );
VLC_EXPORT( void, vout_DestroyPicture, ( vout_thread_t *, picture_t * ) );
VLC_EXPORT( void, vout_DisplayPicture, ( vout_thread_t *, picture_t * ) );
VLC_EXPORT( void, vout_DatePicture, ( vout_thread_t *, picture_t *, mtime_t ) );
picture_t * vout_RenderPicture ( vout_thread_t *, picture_t *,
subpicture_t * );
-VLC_EXPORT( subpicture_t *, vout_CreateSubPicture, ( vout_thread_t *, int ) );
-VLC_EXPORT( void, vout_DestroySubPicture, ( vout_thread_t *, subpicture_t * ) );
-VLC_EXPORT( void, vout_DisplaySubPicture, ( vout_thread_t *, subpicture_t * ) );
+VLC_EXPORT( int, vout_vaControlDefault, ( vout_thread_t *, int, va_list ) );
+VLC_EXPORT( void *, vout_RequestWindow, ( vout_thread_t *, int *, int *, unsigned int *, unsigned int * ) );
+VLC_EXPORT( void, vout_ReleaseWindow, ( vout_thread_t *, void * ) );
+VLC_EXPORT( int, vout_ControlWindow, ( vout_thread_t *, void *, int, va_list ) );
+void vout_IntfInit( vout_thread_t * );
+
+
+static inline int vout_vaControl( vout_thread_t *p_vout, int i_query,
+ va_list args )
+{
+ if( p_vout->pf_control )
+ return p_vout->pf_control( p_vout, i_query, args );
+ else
+ return VLC_EGENERIC;
+}
+
+static inline int vout_Control( vout_thread_t *p_vout, int i_query, ... )
+{
+ va_list args;
+ int i_result;
+
+ va_start( args, i_query );
+ i_result = vout_vaControl( p_vout, i_query, args );
+ va_end( args );
+ return i_result;
+}
+
+enum output_query_e
+{
+ VOUT_GET_SIZE, /* arg1= unsigned int*, arg2= unsigned int*, res= */
+ VOUT_SET_SIZE, /* arg1= unsigned int, arg2= unsigned int, res= */
+ VOUT_SET_STAY_ON_TOP, /* arg1= vlc_bool_t res= */
+ VOUT_REPARENT,
+ VOUT_SNAPSHOT,
+ VOUT_CLOSE,
+ VOUT_SET_FOCUS /* arg1= vlc_bool_t res= */
+};
-subpicture_t * vout_SortSubPictures ( vout_thread_t *, mtime_t );
-void vout_RenderSubPictures ( vout_thread_t *, picture_t *,
- subpicture_t * );
+/**
+ * @}
+ */