/*****************************************************************************
* 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 oppenned video output thread.
*****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
- * $Id: video_output.h,v 1.60 2001/05/06 18:32:30 stef Exp $
+ * Copyright (C) 1999, 2000 the VideoLAN team
+ * $Id$
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
+ * Samuel Hocevar <sam@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* 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
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
-/*****************************************************************************
- * vout_bank_t, p_vout_bank (global variable)
- *****************************************************************************
- * This global variable is accessed by any function using the video output.
- *****************************************************************************/
-typedef struct
-{
- /* Array to all the video outputs */
- struct vout_thread_s *pp_vout[ VOUT_MAX_THREADS ];
-
- int i_count;
- vlc_mutex_t lock; /* Global lock */
-
-} vout_bank_t;
-
-extern vout_bank_t *p_vout_bank;
+/**
+ * \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.
+ * @{
+ */
-/*****************************************************************************
- * vout_yuv_convert_t: YUV conversion function
- *****************************************************************************
- * This is the prototype common to all conversion functions. The type of p_pic
- * will change depending on the processed screen depth.
- * Parameters:
- * p_vout video output thread
- * p_pic picture address
- * p_y, p_u, p_v Y,U,V samples addresses
- * i_width, i_height Y samples extension
- * i_pic_width, i_pic_height picture extension
- * i_pic_line_width picture total line width
- * i_matrix_coefficients matrix coefficients
+/**
+ * Chroma conversion function
+ *
+ * This is the prototype common to all conversion functions.
+ * \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_yuv_convert_t)( p_vout_thread_t p_vout, void *p_pic,
- yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
- int i_width, int i_height,
- int i_pic_width, int i_pic_height, int i_pic_line_width,
- int i_matrix_coefficients );
-
-/*****************************************************************************
- * vout_yuv_t: pre-calculated YUV conversion tables
- *****************************************************************************
- * These tables are used by conversion and scaling functions.
- *****************************************************************************/
-typedef int (yuv_init_t) ( p_vout_thread_t p_vout );
-typedef int (yuv_reset_t) ( p_vout_thread_t p_vout );
-typedef void (yuv_end_t) ( p_vout_thread_t p_vout );
+ */
+typedef void (vout_chroma_convert_t)( vout_thread_t *,
+ picture_t *, picture_t * );
-typedef struct vout_yuv_s
+typedef struct vout_chroma_t
{
- /* conversion functions */
- vout_yuv_convert_t *pf_yuv420; /* YUV 4:2:0 converter */
- vout_yuv_convert_t *pf_yuv422; /* YUV 4:2:2 converter */
- vout_yuv_convert_t *pf_yuv444; /* YUV 4:4:4 converter */
-
- /* Pre-calculated conversion tables */
- void * p_base; /* base for all conversion tables */
- union
- {
- u8 * p_gray8; /* gray 8 bits table */
- u16 * p_gray16; /* gray 16 bits table */
- u32 * p_gray32; /* gray 32 bits table */
- u8 * p_rgb8; /* RGB 8 bits table */
- u16 * p_rgb16; /* RGB 16 bits table */
- u32 * p_rgb32; /* RGB 32 bits table */
- } yuv;
-
- /* Temporary conversion buffer and offset array */
- void * p_buffer; /* conversion buffer */
- int * p_offset; /* offset array */
-
- /* Plugin used and shortcuts to access its capabilities */
- struct module_s * p_module;
- yuv_init_t * pf_init; /* initialize YUV tables */
- yuv_reset_t * pf_reset; /* reset YUV tables */
- yuv_end_t * pf_end; /* free YUV tables */
-
-} vout_yuv_t;
+ /** conversion functions */
+ vout_chroma_convert_t *pf_convert;
-/*****************************************************************************
- * vout_buffer_t: rendering buffer
- *****************************************************************************
- * This structure stores information about a buffer. Buffers are not completely
- * cleared between displays, and modified areas need to be stored.
- *****************************************************************************/
-typedef struct vout_buffer_s
-{
- /* Picture area */
- int i_pic_x, i_pic_y; /* picture position */
- int i_pic_width, i_pic_height; /* picture size */
+ /** Private module-dependant data */
+ chroma_sys_t * p_sys; /* private data */
- /* Other areas - only vertical extensions of areas are stored */
- int i_areas; /* number of areas */
- int pi_area_begin[VOUT_MAX_AREAS]; /* beginning of area */
- int pi_area_end[VOUT_MAX_AREAS]; /* end of area */
+ /** Plugin used and shortcuts to access its capabilities */
+ module_t * p_module;
- /* Picture data */
- byte_t * p_data; /* memory address */
-} vout_buffer_t;
+} vout_chroma_t;
-/*****************************************************************************
- * vout_fifo_t
- *****************************************************************************/
-typedef struct vout_fifo_s
-{
- /* See the fifo types below */
- int i_type;
- boolean_t b_die;
- int i_fifo; /* Just to keep track of the fifo index */
-
- int i_width;
- int i_height;
-
- vlc_mutex_t data_lock;
- vlc_cond_t data_wait;
-
-} vout_fifo_t;
-
-#define VOUT_EMPTY_FIFO 0
-#define VOUT_YUV_FIFO 1
-#define VOUT_SPU_FIFO 2
-
-/*****************************************************************************
- * 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.
- *****************************************************************************/
-typedef struct vout_thread_s
+ */
+struct vout_thread_t
{
- /* Thread properties and lock */
- boolean_t b_die; /* `die' flag */
- boolean_t b_error; /* `error' flag */
- boolean_t b_active; /* `active' flag */
- vlc_thread_t thread_id; /* id for pthread functions */
- vlc_mutex_t picture_lock; /* picture heap lock */
- vlc_mutex_t subpicture_lock; /* subpicture heap lock */
- vlc_mutex_t change_lock; /* thread change lock */
- int * pi_status; /* temporary status flag */
- p_vout_sys_t p_sys; /* system output method */
-
- /* Current display properties */
- u16 i_changes; /* changes made to the thread */
- int i_width; /* current output method width */
- int i_height; /* current output method height */
- int i_bytes_per_line; /* bytes per line (incl. virtual) */
- int i_screen_depth; /* significant bpp: 8, 15, 16 or 24 */
- int i_bytes_per_pixel;/* real screen depth: 1, 2, 3 or 4 */
- float f_gamma; /* gamma */
- boolean_t b_need_render; /* does the output method need a YUV
- * conversion ? */
-
- /* Color masks and shifts in RGB mode - masks are set by system
- * initialization, shifts are calculated. A pixel color value can be
- * obtained using the formula ((value >> rshift) << lshift) */
- u32 i_red_mask; /* red mask */
- u32 i_green_mask; /* green mask */
- u32 i_blue_mask; /* blue mask */
- int i_red_lshift, i_red_rshift; /* red shifts */
- int i_green_lshift, i_green_rshift; /* green shifts */
- int i_blue_lshift, i_blue_rshift; /* blue shifts */
-
- /* Useful pre-calculated pixel values - these are not supposed to be
- * accurate values, but rather values looking nice, given their usage. */
- u32 i_white_pixel; /* white */
- u32 i_black_pixel; /* black */
- u32 i_gray_pixel; /* gray */
- u32 i_blue_pixel; /* blue */
-
- /* Plugin used and shortcuts to access its capabilities */
- struct module_s * p_module;
- int ( *pf_create ) ( struct vout_thread_s * );
- int ( *pf_init ) ( struct vout_thread_s * );
- void ( *pf_end ) ( struct vout_thread_s * );
- void ( *pf_destroy ) ( struct vout_thread_s * );
- int ( *pf_manage ) ( struct vout_thread_s * );
- void ( *pf_display ) ( struct vout_thread_s * );
- void ( *pf_setpalette ) ( struct vout_thread_s *, u16 *red,
- u16 *green, u16 *blue, u16 *transp );
-
- /* Pictures and rendering properties */
- boolean_t b_grayscale; /* color or grayscale display */
- boolean_t b_YCbr; /* use YUV to YCbr instead of RGB */
- boolean_t b_info; /* print additional information */
- boolean_t b_interface; /* render interface */
- boolean_t b_scale; /* allow picture scaling */
- boolean_t b_fullscreen; /* toogle fullscreen dusplay */
- mtime_t render_time; /* last picture render time */
-
-
- /* Idle screens management */
- mtime_t last_display_date; /* last non idle display date */
- mtime_t last_idle_date; /* last idle display date */
- mtime_t init_display_date;
-
- /* Statistics - these numbers are not supposed to be accurate, but are a
+ VLC_COMMON_MEMBERS
+
+ /** \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 );
+ /**@}*/
+
+ /** \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 */
-
- /* Rendering buffers */
- int i_buffer_index; /* buffer index */
- vout_buffer_t p_buffer[2]; /* buffers properties */
-
- /* Video heap and translation tables */
- picture_t p_picture[VOUT_MAX_PICTURES]; /* pictures */
- subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
- int i_pictures; /* current heap size */
- vout_yuv_t yuv; /* translation tables */
- picture_t * p_rendered_pic; /* picture currently being rendered */
-
- /* Bitmap fonts */
- p_vout_font_t p_default_font; /* default font */
- p_vout_font_t p_large_font; /* large font */
-
-#ifdef STATS
- count_t c_loops;
-#endif
-} vout_thread_t;
-
-/* 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_YUV_CHANGE 0x0800 /* change yuv tables */
-
-/* Disabled for thread deadlocks issues --Meuuh */
-//#define VOUT_NODISPLAY_CHANGE 0xff00 /* changes which forbidden display */
-
-/*****************************************************************************
- * Macros
- *****************************************************************************/
-
-/* RGB2PIXEL: assemble RGB components to a pixel value, returns a u32 */
-#define RGB2PIXEL( p_vout, i_red, i_green, i_blue ) \
- (((((u32)i_red) >> p_vout->i_red_rshift) << p_vout->i_red_lshift) | \
- ((((u32)i_green) >> p_vout->i_green_rshift) << p_vout->i_green_lshift) | \
- ((((u32)i_blue) >> p_vout->i_blue_rshift) << p_vout->i_blue_lshift))
-
+ /**@{*/
+ 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_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 heap */
+ picture_t p_picture[2*VOUT_MAX_PICTURES+1]; /**< pictures */
+
+ /* 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 */
+ /** 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 PP_OUTPUTPICTURE p_vout->output.pp_picture
+#define I_RENDERPICTURES p_vout->render.i_pictures
+#define PP_RENDERPICTURE p_vout->render.pp_picture
+
+/** \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
*****************************************************************************/
-void vout_InitBank ( void );
-void vout_EndBank ( void );
-
-vout_thread_t * vout_CreateThread ( int *pi_status );
-void vout_DestroyThread ( vout_thread_t *p_vout, int *pi_status );
-
-vout_fifo_t * vout_CreateFifo ( void );
-void vout_DestroyFifo ( vout_fifo_t *p_fifo );
-void vout_FreeFifo ( vout_fifo_t *p_fifo );
-
-picture_t * vout_CreatePicture ( vout_thread_t *p_vout, int i_type,
- int i_width, int i_height );
-void vout_DestroyPicture ( vout_thread_t *p_vout, picture_t *p_pic );
-void vout_DisplayPicture ( vout_thread_t *p_vout, picture_t *p_pic );
-void vout_DatePicture ( vout_thread_t *p_vout, picture_t *p_pic, mtime_t date );
-void vout_LinkPicture ( vout_thread_t *p_vout, picture_t *p_pic );
-void vout_UnlinkPicture ( vout_thread_t *p_vout, picture_t *p_pic );
+#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, 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 ) );
+VLC_EXPORT( void, vout_LinkPicture, ( vout_thread_t *, picture_t * ) );
+VLC_EXPORT( void, vout_UnlinkPicture, ( vout_thread_t *, picture_t * ) );
+VLC_EXPORT( void, vout_PlacePicture, ( vout_thread_t *, unsigned int, unsigned int, unsigned int *, unsigned int *, unsigned int *, unsigned int * ) );
+picture_t * vout_RenderPicture ( vout_thread_t *, picture_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;
+}
-subpicture_t * vout_CreateSubPicture ( vout_thread_t *p_vout, int i_type, int i_size );
-void vout_DestroySubPicture ( vout_thread_t *p_vout, subpicture_t *p_subpic );
-void vout_DisplaySubPicture ( vout_thread_t *p_vout, subpicture_t *p_subpic );
+static inline int vout_Control( vout_thread_t *p_vout, int i_query, ... )
+{
+ va_list args;
+ int i_result;
-void vout_SetBuffers ( vout_thread_t *p_vout, void *p_buf1, void *p_buf2 );
+ 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_SET_ZOOM,
+ VOUT_SET_STAY_ON_TOP, /* arg1= vlc_bool_t res= */
+ VOUT_REPARENT,
+ VOUT_SNAPSHOT,
+ VOUT_CLOSE,
+ VOUT_SET_FOCUS /* arg1= vlc_bool_t res= */
+};
+
+/**
+ * @}
+ */
projects / vlc / blobdiff