200 lines
7.2 KiB
C
200 lines
7.2 KiB
C
/*****************************************************************************
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* api.c: bit depth independent interface
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*****************************************************************************
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* Copyright (C) 2003-2025 x264 project
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*
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* Authors: Vittorio Giovara <vittorio.giovara@gmail.com>
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* Luca Barbato <lu_zero@gentoo.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at licensing@x264.com.
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*****************************************************************************/
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#include "common/base.h"
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/****************************************************************************
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* global symbols
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****************************************************************************/
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const int x264_chroma_format = X264_CHROMA_FORMAT;
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x264_t *x264_8_encoder_open( x264_param_t *, void * );
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void x264_8_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal );
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int x264_8_encoder_reconfig( x264_t *, x264_param_t * );
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void x264_8_encoder_parameters( x264_t *, x264_param_t * );
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int x264_8_encoder_headers( x264_t *, x264_nal_t **pp_nal, int *pi_nal );
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int x264_8_encoder_encode( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out );
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void x264_8_encoder_close( x264_t * );
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int x264_8_encoder_delayed_frames( x264_t * );
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int x264_8_encoder_maximum_delayed_frames( x264_t * );
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void x264_8_encoder_intra_refresh( x264_t * );
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int x264_8_encoder_invalidate_reference( x264_t *, int64_t pts );
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x264_t *x264_10_encoder_open( x264_param_t *, void * );
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void x264_10_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal );
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int x264_10_encoder_reconfig( x264_t *, x264_param_t * );
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void x264_10_encoder_parameters( x264_t *, x264_param_t * );
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int x264_10_encoder_headers( x264_t *, x264_nal_t **pp_nal, int *pi_nal );
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int x264_10_encoder_encode( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out );
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void x264_10_encoder_close( x264_t * );
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int x264_10_encoder_delayed_frames( x264_t * );
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int x264_10_encoder_maximum_delayed_frames( x264_t * );
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void x264_10_encoder_intra_refresh( x264_t * );
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int x264_10_encoder_invalidate_reference( x264_t *, int64_t pts );
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typedef struct x264_api_t
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{
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/* Internal reference to x264_t data */
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x264_t *x264;
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/* API entry points */
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void (*nal_encode)( x264_t *h, uint8_t *dst, x264_nal_t *nal );
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int (*encoder_reconfig)( x264_t *, x264_param_t * );
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void (*encoder_parameters)( x264_t *, x264_param_t * );
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int (*encoder_headers)( x264_t *, x264_nal_t **pp_nal, int *pi_nal );
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int (*encoder_encode)( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out );
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void (*encoder_close)( x264_t * );
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int (*encoder_delayed_frames)( x264_t * );
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int (*encoder_maximum_delayed_frames)( x264_t * );
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void (*encoder_intra_refresh)( x264_t * );
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int (*encoder_invalidate_reference)( x264_t *, int64_t pts );
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} x264_api_t;
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REALIGN_STACK x264_t *x264_encoder_open( x264_param_t *param )
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{
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x264_api_t *api = calloc( 1, sizeof( x264_api_t ) );
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if( !api )
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return NULL;
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#if HAVE_BITDEPTH8
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if( param->i_bitdepth == 8 )
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{
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api->nal_encode = x264_8_nal_encode;
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api->encoder_reconfig = x264_8_encoder_reconfig;
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api->encoder_parameters = x264_8_encoder_parameters;
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api->encoder_headers = x264_8_encoder_headers;
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api->encoder_encode = x264_8_encoder_encode;
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api->encoder_close = x264_8_encoder_close;
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api->encoder_delayed_frames = x264_8_encoder_delayed_frames;
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api->encoder_maximum_delayed_frames = x264_8_encoder_maximum_delayed_frames;
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api->encoder_intra_refresh = x264_8_encoder_intra_refresh;
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api->encoder_invalidate_reference = x264_8_encoder_invalidate_reference;
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api->x264 = x264_8_encoder_open( param, api );
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}
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else
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#endif
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#if HAVE_BITDEPTH10
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if( param->i_bitdepth == 10 )
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{
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api->nal_encode = x264_10_nal_encode;
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api->encoder_reconfig = x264_10_encoder_reconfig;
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api->encoder_parameters = x264_10_encoder_parameters;
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api->encoder_headers = x264_10_encoder_headers;
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api->encoder_encode = x264_10_encoder_encode;
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api->encoder_close = x264_10_encoder_close;
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api->encoder_delayed_frames = x264_10_encoder_delayed_frames;
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api->encoder_maximum_delayed_frames = x264_10_encoder_maximum_delayed_frames;
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api->encoder_intra_refresh = x264_10_encoder_intra_refresh;
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api->encoder_invalidate_reference = x264_10_encoder_invalidate_reference;
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api->x264 = x264_10_encoder_open( param, api );
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}
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else
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#endif
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x264_log_internal( X264_LOG_ERROR, "not compiled with %d bit depth support\n", param->i_bitdepth );
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if( !api->x264 )
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{
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free( api );
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return NULL;
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}
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/* x264_t is opaque */
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return (x264_t *)api;
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}
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REALIGN_STACK void x264_encoder_close( x264_t *h )
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{
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x264_api_t *api = (x264_api_t *)h;
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api->encoder_close( api->x264 );
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free( api );
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}
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REALIGN_STACK void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal )
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{
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x264_api_t *api = (x264_api_t *)h;
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api->nal_encode( api->x264, dst, nal );
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}
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REALIGN_STACK int x264_encoder_reconfig( x264_t *h, x264_param_t *param)
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{
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x264_api_t *api = (x264_api_t *)h;
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return api->encoder_reconfig( api->x264, param );
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}
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REALIGN_STACK void x264_encoder_parameters( x264_t *h, x264_param_t *param )
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{
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x264_api_t *api = (x264_api_t *)h;
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api->encoder_parameters( api->x264, param );
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}
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REALIGN_STACK int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
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{
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x264_api_t *api = (x264_api_t *)h;
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return api->encoder_headers( api->x264, pp_nal, pi_nal );
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}
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REALIGN_STACK int x264_encoder_encode( x264_t *h, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out )
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{
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x264_api_t *api = (x264_api_t *)h;
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return api->encoder_encode( api->x264, pp_nal, pi_nal, pic_in, pic_out );
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}
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REALIGN_STACK int x264_encoder_delayed_frames( x264_t *h )
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{
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x264_api_t *api = (x264_api_t *)h;
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return api->encoder_delayed_frames( api->x264 );
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}
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REALIGN_STACK int x264_encoder_maximum_delayed_frames( x264_t *h )
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{
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x264_api_t *api = (x264_api_t *)h;
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return api->encoder_maximum_delayed_frames( api->x264 );
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}
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REALIGN_STACK void x264_encoder_intra_refresh( x264_t *h )
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{
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x264_api_t *api = (x264_api_t *)h;
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api->encoder_intra_refresh( api->x264 );
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}
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REALIGN_STACK int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
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{
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x264_api_t *api = (x264_api_t *)h;
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return api->encoder_invalidate_reference( api->x264, pts );
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}
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