X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_filter.h;h=ad658b36aa8cdf68c9761d0f3c317c6182f9b46a;hb=e83fa9c21ab6da1b584e84907c721bc65d5e7cc6;hp=c2ec30f8174d357323b378fe8f7a88231dd626aa;hpb=364f9dc2bde4a9ad849c9500482b1374ed2e46f8;p=vlc diff --git a/include/vlc_filter.h b/include/vlc_filter.h index c2ec30f817..ad658b36aa 100644 --- a/include/vlc_filter.h +++ b/include/vlc_filter.h @@ -1,25 +1,25 @@ /***************************************************************************** * vlc_filter.h: filter related structures and functions ***************************************************************************** - * Copyright (C) 1999-2008 the VideoLAN team - * $Id$ + * Copyright (C) 1999-2014 VLC authors and VideoLAN * * Authors: Gildas Bazin * Antoine Cellerier + * Rémi Denis-Courmont * - * 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 + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 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 - * GNU General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. * - * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ #ifndef VLC_FILTER_H @@ -37,6 +37,26 @@ typedef struct filter_owner_sys_t filter_owner_sys_t; +typedef struct filter_owner_t +{ + void *sys; + + union + { + struct + { + picture_t * (*buffer_new)( filter_t * ); + void (*buffer_del)( filter_t *, picture_t * ); + } video; + struct + { + subpicture_t * (*buffer_new)( filter_t * ); + void (*buffer_del)( filter_t *, subpicture_t * ); + } sub; + }; +} filter_owner_t; + + /** Structure describing a filter * @warning BIG FAT WARNING : the code relies on the first 4 members of * filter_t and decoder_t to be the same, so if you have anything to add, @@ -66,8 +86,6 @@ struct filter_t { picture_t * (*pf_filter) ( filter_t *, picture_t * ); void (*pf_flush)( filter_t * ); - picture_t * (*pf_buffer_new) ( filter_t * ); - void (*pf_buffer_del) ( filter_t *, picture_t * ); /* Filter mouse state. * * If non-NULL, you must convert from output to input formats: @@ -83,16 +101,12 @@ struct filter_t #define pf_video_filter u.video.pf_filter #define pf_video_flush u.video.pf_flush #define pf_video_mouse u.video.pf_mouse -#define pf_video_buffer_new u.video.pf_buffer_new -#define pf_video_buffer_del u.video.pf_buffer_del struct { block_t * (*pf_filter) ( filter_t *, block_t * ); - block_t * (*pf_buffer_new) ( filter_t *, int ); } audio; #define pf_audio_filter u.audio.pf_filter -#define pf_audio_buffer_new u.audio.pf_buffer_new struct { @@ -104,16 +118,12 @@ struct filter_t struct { subpicture_t * (*pf_source) ( filter_t *, mtime_t ); - subpicture_t * (*pf_buffer_new)( filter_t * ); - void (*pf_buffer_del)( filter_t *, subpicture_t * ); int (*pf_mouse) ( filter_t *, const vlc_mouse_t *p_old, const vlc_mouse_t *p_new, const video_format_t * ); } sub; #define pf_sub_source u.sub.pf_source -#define pf_sub_buffer_new u.sub.pf_buffer_new -#define pf_sub_buffer_del u.sub.pf_buffer_del #define pf_sub_mouse u.sub.pf_mouse struct @@ -141,7 +151,7 @@ struct filter_t int (*pf_get_attachments)( filter_t *, input_attachment_t ***, int * ); /* Private structure for the owner of the decoder */ - filter_owner_sys_t *p_owner; + filter_owner_t owner; }; /** @@ -155,10 +165,10 @@ struct filter_t */ static inline picture_t *filter_NewPicture( filter_t *p_filter ) { - picture_t *p_picture = p_filter->pf_video_buffer_new( p_filter ); - if( !p_picture ) + picture_t *pic = p_filter->owner.video.buffer_new( p_filter ); + if( pic == NULL ) msg_Warn( p_filter, "can't get output picture" ); - return p_picture; + return pic; } /** @@ -168,9 +178,9 @@ static inline picture_t *filter_NewPicture( filter_t *p_filter ) * \param p_filter filter_t object * \param p_picture picture to be deleted */ -static inline void filter_DeletePicture( filter_t *p_filter, picture_t *p_picture ) +static inline void filter_DeletePicture( filter_t *p_filter, picture_t *pic ) { - p_filter->pf_video_buffer_del( p_filter, p_picture ); + p_filter->owner.video.buffer_del( p_filter, pic ); } /** @@ -193,10 +203,10 @@ static inline void filter_FlushPictures( filter_t *p_filter ) */ static inline subpicture_t *filter_NewSubpicture( filter_t *p_filter ) { - subpicture_t *p_subpicture = p_filter->pf_sub_buffer_new( p_filter ); - if( !p_subpicture ) + subpicture_t *subpic = p_filter->owner.sub.buffer_new( p_filter ); + if( subpic == NULL ) msg_Warn( p_filter, "can't get output subpicture" ); - return p_subpicture; + return subpic; } /** @@ -206,27 +216,10 @@ static inline subpicture_t *filter_NewSubpicture( filter_t *p_filter ) * \param p_filter filter_t object * \param p_subpicture to be released */ -static inline void filter_DeleteSubpicture( filter_t *p_filter, subpicture_t *p_subpicture ) +static inline void filter_DeleteSubpicture( filter_t *p_filter, + subpicture_t *subpic ) { - p_filter->pf_sub_buffer_del( p_filter, p_subpicture ); -} - -/** - * This function will return a new audio buffer usable by p_filter as an - * output buffer. You have to release it using block_Release or by returning - * it to the caller as a pf_audio_filter return value. - * Provided for convenience. - * - * \param p_filter filter_t object - * \param i_size size of audio buffer requested - * \return block to be used as audio output buffer - */ -static inline block_t *filter_NewAudioBuffer( filter_t *p_filter, int i_size ) -{ - block_t *p_block = p_filter->pf_audio_buffer_new( p_filter, i_size ); - if( !p_block ) - msg_Warn( p_filter, "can't get output block" ); - return p_block; + p_filter->owner.sub.buffer_del( p_filter, subpic ); } /** @@ -304,13 +297,25 @@ typedef struct filter_chain_t filter_chain_t; * \param p_object pointer to a vlc object * \param psz_capability vlc capability of filters in filter chain * \param b_allow_format_fmt_change allow changing of fmt - * \param pf_buffer_allocation_init callback function to initialize buffer allocations - * \param pf_buffer_allocation_clear callback function to clear buffer allocation initialization - * \param p_buffer_allocation_data pointer to private allocation data * \return pointer to a filter chain */ -VLC_API filter_chain_t * filter_chain_New( vlc_object_t *, const char *, bool, int (*)( filter_t *, void * ), void (*)( filter_t * ), void * ) VLC_USED; -#define filter_chain_New( a, b, c, d, e, f ) filter_chain_New( VLC_OBJECT( a ), b, c, d, e, f ) +VLC_API filter_chain_t * filter_chain_New( vlc_object_t *, const char *, bool ) +VLC_USED; +#define filter_chain_New( a, b, c ) filter_chain_New( VLC_OBJECT( a ), b, c ) + +/** + * Creates a new video filter chain. + * + * \param obj pointer to parent VLC object + * \param change whether to allow changing the output format + * \param owner owner video buffer callbacks + * \return new filter chain, or NULL on error + */ +VLC_API filter_chain_t * filter_chain_NewVideo( vlc_object_t *obj, bool change, + const filter_owner_t *owner ) +VLC_USED; +#define filter_chain_NewVideo( a, b, c ) \ + filter_chain_NewVideo( VLC_OBJECT( a ), b, c ) /** * Delete filter chain will delete all filters in the chain and free all @@ -358,9 +363,8 @@ VLC_API int filter_chain_AppendFromString( filter_chain_t *, const char * ); * * \param p_chain pointer to filter chain * \param p_filter pointer to filter object - * \return VLC_SUCCESS on succes, else VLC_EGENERIC */ -VLC_API int filter_chain_DeleteFilter( filter_chain_t *, filter_t * ); +VLC_API void filter_chain_DeleteFilter( filter_chain_t *, filter_t * ); /** * Get the number of filters in the filter chain. @@ -407,7 +411,7 @@ VLC_API block_t * filter_chain_AudioFilter( filter_chain_t *, block_t * ); * \param p_chain pointer to filter chain * \param display_date of subpictures */ -VLC_API void filter_chain_SubSource( filter_chain_t *, mtime_t ); +void filter_chain_SubSource( filter_chain_t *, spu_t *, mtime_t ); /** * Apply filter chain to subpictures. @@ -435,5 +439,8 @@ VLC_API int filter_chain_MouseFilter( filter_chain_t *, vlc_mouse_t *, const vlc */ VLC_API int filter_chain_MouseEvent( filter_chain_t *, const vlc_mouse_t *, const video_format_t * ); +int filter_chain_ForEach( filter_chain_t *chain, + int (*cb)( filter_t *, void * ), void *opaque ); + #endif /* _VLC_FILTER_H */