* includes all common video types and constants.
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
- * $Id: video.h,v 1.43 2002/02/19 00:50:19 sam Exp $
+ * $Id: video.h,v 1.62 2003/03/28 17:02:25 gbazin Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
*
/*****************************************************************************
* plane_t: description of a planar graphic field
*****************************************************************************/
-typedef struct plane_s
+typedef struct plane_t
{
- u8 *p_pixels; /* Start of the plane's data */
+ uint8_t *p_pixels; /* Start of the plane's data */
/* Variables used for fast memcpy operations */
int i_lines; /* Number of lines */
int i_pitch; /* Number of bytes in a line, including margins */
/* Size of a macropixel, defaults to 1 */
- int i_pixel_bytes;
-
- /* Is there a margin ? defaults to no */
- boolean_t b_margin;
+ int i_pixel_pitch;
/* Variables used for pictures with margins */
- int i_visible_bytes; /* How many real pixels are there ? */
- boolean_t b_hidden; /* Are we allowed to write to the margin ? */
-
- /* Variables used for RGB planes */
- int i_red_mask;
- int i_green_mask;
- int i_blue_mask;
+ int i_visible_pitch; /* How many visible pixels are there ? */
} plane_t;
* Picture type and flags should only be modified by the output thread. Note
* that an empty picture MUST have its flags set to 0.
*****************************************************************************/
-typedef struct picture_s
+struct picture_t
{
/* Picture data - data can always be freely modified, but p_data may
* NEVER be modified. A direct buffer can be handled as the plugin
* wishes, it can even swap p_pixels buffers. */
- u8 *p_data;
+ uint8_t *p_data;
+ void *p_data_orig; /* pointer before memalign */
plane_t p[ VOUT_MAX_PLANES ]; /* description of the planes */
int i_planes; /* number of allocated planes */
* the video output thread API, but should never be written directly */
int i_refcount; /* link reference counter */
mtime_t date; /* display date */
+ vlc_bool_t b_force;
/* Picture dynamic properties - those properties can be changed by the
* decoder */
- boolean_t b_progressive; /* is it a progressive frame ? */
- boolean_t b_repeat_first_field; /* RFF bit */
- boolean_t b_top_field_first; /* which field is first */
+ vlc_bool_t b_progressive; /* is it a progressive frame ? */
+ vlc_bool_t b_repeat_first_field; /* RFF bit */
+ vlc_bool_t b_top_field_first; /* which field is first */
- /* Macroblock counter - the decoder uses it to verify if it has
- * decoded all the macroblocks of the picture */
- int i_deccount;
- vlc_mutex_t lock_deccount;
+ /* The picture heap we are attached to */
+ picture_heap_t* p_heap;
+
+ /* Some vouts require the picture to be locked before it can be modified */
+ int (* pf_lock) ( vout_thread_t *, picture_t * );
+ int (* pf_unlock) ( vout_thread_t *, picture_t * );
/* Private data - the video output plugin might want to put stuff here to
* keep track of the picture */
- struct picture_sys_s *p_sys;
-
-} picture_t;
+ picture_sys_t * p_sys;
+};
/*****************************************************************************
* picture_heap_t: video picture heap, either render (to store pictures used
* by the decoder) or output (to store pictures displayed by the vout plugin)
*****************************************************************************/
-typedef struct picture_heap_s
+struct picture_heap_t
{
- int i_pictures; /* current heap size */
+ int i_pictures; /* current heap size */
/* Picture static properties - those properties are fixed at initialization
* and should NOT be modified */
- int i_width; /* picture width */
- int i_height; /* picture height */
- u32 i_chroma; /* picture chroma */
- int i_aspect; /* aspect ratio */
+ unsigned int i_width; /* picture width */
+ unsigned int i_height; /* picture height */
+ vlc_fourcc_t i_chroma; /* picture chroma */
+ unsigned int i_aspect; /* aspect ratio */
/* Real pictures */
picture_t* pp_picture[VOUT_MAX_PICTURES]; /* pictures */
+ int i_last_used_pic; /* last used pic in heap */
+ vlc_bool_t b_allow_modify_pics;
+
+ /* Stuff used for truecolor RGB planes */
+ int i_rmask, i_rrshift, i_lrshift;
+ int i_gmask, i_rgshift, i_lgshift;
+ int i_bmask, i_rbshift, i_lbshift;
-} picture_heap_t;
+ /* Stuff used for palettized RGB planes */
+ void (* pf_setpalette) ( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
+};
/*****************************************************************************
* Flags used to describe the status of a picture
#define DESTROYED_PICTURE 6 /* allocated but no more used */
/*****************************************************************************
- * Flags used to describe picture format - see http://www.webartz.com/fourcc/
+ * Shortcuts to access image components
*****************************************************************************/
-/* Packed RGB formats */
-#define FOURCC_BI_RGB 0x00000000 /* RGB for 8bpp */
-#define FOURCC_RGB 0x32424752 /* alias for BI_RGB */
-#define FOURCC_BI_BITFIELDS 0x00000003 /* RGB, for 16, 24, 32bpp */
-#define FOURCC_RV15 0x35315652 /* RGB 15bpp, 0x1f, 0x7e0, 0xf800 */
-#define FOURCC_RV16 0x36315652 /* RGB 16bpp, 0x1f, 0x3e0, 0x7c00 */
-#define FOURCC_RV32 0x32335652 /* RGB 32bpp, 0xff, 0xff00, 0xff0000 */
-
-/* Planar YUV formats */
-#define FOURCC_I420 0x30323449 /* Planar 4:2:0, Y:U:V */
-#define FOURCC_IYUV 0x56555949 /* alias for I420 */
-#define FOURCC_YV12 0x32315659 /* Planar 4:2:0, Y:V:U */
-
-/* Packed YUV formats */
-#define FOURCC_IUYV 0x56595549 /* Packed 4:2:2, U:Y:V:Y, interlaced */
-#define FOURCC_UYVY 0x59565955 /* Packed 4:2:2, U:Y:V:Y */
-#define FOURCC_UYNV 0x564e5955 /* alias for UYVY */
-#define FOURCC_Y422 0x32323459 /* alias for UYVY */
-#define FOURCC_cyuv 0x76757963 /* Packed 4:2:2, U:Y:V:Y, reverted */
-#define FOURCC_YUY2 0x32595559 /* Packed 4:2:2, Y:U:Y:V */
-#define FOURCC_YUNV 0x564e5559 /* alias for YUY2 */
-#define FOURCC_YVYU 0x55585659 /* Packed 4:2:2, Y:V:Y:U */
-#define FOURCC_Y211 0x31313259 /* Packed 2:1:1, Y:U:Y:V */
-
-/* Custom formats which we use but which don't exist in the fourcc database */
-#define FOURCC_YMGA 0x41474d59 /* Planar Y, packed UV, from Matrox */
-#define FOURCC_I422 0x32323449 /* Planar 4:2:2, Y:U:V */
-#define FOURCC_I444 0x34343449 /* Planar 4:4:4, Y:U:V */
-
/* Plane indices */
#define Y_PLANE 0
#define U_PLANE 1
/* Shortcuts */
#define Y_PIXELS p[Y_PLANE].p_pixels
+#define Y_PITCH p[Y_PLANE].i_pitch
#define U_PIXELS p[U_PLANE].p_pixels
+#define U_PITCH p[U_PLANE].i_pitch
#define V_PIXELS p[V_PLANE].p_pixels
-
-static __inline__ int vout_ChromaCmp( u32 i_chroma, u32 i_amorhc )
-{
- /* If they are the same, they are the same ! */
- if( i_chroma == i_amorhc )
- {
- return 1;
- }
-
- /* Check for equivalence classes */
- switch( i_chroma )
- {
- case FOURCC_I420:
- case FOURCC_IYUV:
- case FOURCC_YV12:
- switch( i_amorhc )
- {
- case FOURCC_I420:
- case FOURCC_IYUV:
- case FOURCC_YV12:
- return 1;
-
- default:
- return 0;
- }
-
- case FOURCC_UYVY:
- case FOURCC_UYNV:
- case FOURCC_Y422:
- switch( i_amorhc )
- {
- case FOURCC_UYVY:
- case FOURCC_UYNV:
- case FOURCC_Y422:
- return 1;
-
- default:
- return 0;
- }
-
- case FOURCC_YUY2:
- case FOURCC_YUNV:
- switch( i_amorhc )
- {
- case FOURCC_YUY2:
- case FOURCC_YUNV:
- return 1;
-
- default:
- return 0;
- }
-
- default:
- return 0;
- }
-}
-
-/*****************************************************************************
- * vout_CopyPicture: copy a picture to another one
- *****************************************************************************
- * This function takes advantage of the image format, and reduces the
- * number of calls to memcpy() to the minimum. Source and destination
- * images must have same width, height, and chroma.
- *****************************************************************************/
-static __inline__ void vout_CopyPicture( picture_t *p_src, picture_t *p_dest )
-{
- int i;
-
- for( i = 0; i < p_src->i_planes ; i++ )
- {
- if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
- {
- if( p_src->p[i].b_margin )
- {
- /* If p_src->b_margin is set, p_dest->b_margin must be set */
- if( p_dest->p[i].b_hidden )
- {
- /* There are margins, but they are hidden : perfect ! */
- FAST_MEMCPY( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
- p_src->p[i].i_pitch * p_src->p[i].i_lines );
- continue;
- }
- else
- {
- /* We can't directly copy the margin. Too bad. */
- }
- }
- else
- {
- /* Same pitch, no margins : perfect ! */
- FAST_MEMCPY( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
- p_src->p[i].i_pitch * p_src->p[i].i_lines );
- continue;
- }
- }
- else
- {
- /* Pitch values are different */
- }
-
- /* We need to proceed line by line */
- {
- u8 *p_in = p_src->p[i].p_pixels, *p_out = p_dest->p[i].p_pixels;
- int i_line;
-
- for( i_line = p_src->p[i].i_lines; i_line--; )
- {
- FAST_MEMCPY( p_out, p_in, p_src->p[i].i_visible_bytes );
- p_in += p_src->p[i].i_pitch;
- p_out += p_dest->p[i].i_pitch;
- }
- }
- }
-}
+#define V_PITCH p[V_PLANE].i_pitch
/*****************************************************************************
* subpicture_t: video subtitle
* Subtitle type and flags should only be modified by the output thread. Note
* that an empty subtitle MUST have its flags set to 0.
*****************************************************************************/
-typedef struct subpicture_s
+struct subpicture_t
{
/* Type and flags - should NOT be modified except by the vout thread */
int i_type; /* type */
int i_status; /* flags */
- int i_size; /* data size */
- struct subpicture_s * p_next; /* next subtitle to be displayed */
+ subpicture_t * p_next; /* next subtitle to be displayed */
/* Date properties */
mtime_t i_start; /* beginning of display date */
mtime_t i_stop; /* end of display date */
- boolean_t b_ephemer; /* does the subtitle have a TTL ? */
+ vlc_bool_t b_ephemer; /* does the subtitle have a TTL ? */
/* Display properties - these properties are only indicative and may be
* changed by the video output thread, or simply ignored depending of the
int i_width; /* picture width */
int i_height; /* picture height */
+#if 0
/* Additionnal properties depending of the subpicture type */
union
{
* format */
struct
{
- p_vout_font_t p_font; /* font, NULL for default */
+ vout_font_t * p_font; /* font, NULL for default */
int i_style; /* text style */
- u32 i_char_color; /* character color */
- u32 i_border_color; /* border color */
- u32 i_bg_color; /* background color */
+ uint32_t i_char_color; /* character color */
+ uint32_t i_border_color; /* border color */
+ uint32_t i_bg_color; /* background color */
} text;
- /* DVD subpicture units properties */
- struct
- {
- int i_offset[2]; /* byte offsets to data */
- } spu;
} type;
+#endif
+
+ /* The subpicture rendering and destruction routines */
+ void ( *pf_render ) ( vout_thread_t *, picture_t *, const subpicture_t * );
+ void ( *pf_destroy ) ( subpicture_t * );
- /* Subpicture data, format depends of type - data can always be freely
- * modified. p_data itself (the pointer) should NEVER be modified. */
- void * p_data; /* subpicture data */
-} subpicture_t;
+ /* Private data - the subtitle plugin might want to put stuff here to
+ * keep track of the subpicture */
+ subpicture_sys_t *p_sys; /* subpicture data */
+};
/* Subpicture type */
#define EMPTY_SUBPICTURE 0 /* subtitle slot is empty and available */
-#define DVD_SUBPICTURE 100 /* DVD subpicture unit */
-#define TEXT_SUBPICTURE 200 /* single line text */
+#define MEMORY_SUBPICTURE 100 /* subpicture stored in memory */
/* Subpicture status */
#define FREE_SUBPICTURE 0 /* free and not allocated */
#define RESERVED_SUBPICTURE 1 /* allocated and reserved */
#define READY_SUBPICTURE 2 /* ready for display */
-#define DESTROYED_SUBPICTURE 3 /* allocated but not used anymore */
projects / vlc / blobdiff