/*

  * This file is part of FFmpeg.

  *

  * FFmpeg 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.
  *

  * FFmpeg 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public

  * License along with FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "config.h"
 
 #include "libavutil/mem.h"
 
 #include "vda.h"

 #include "vda_vt_internal.h"

 
 #if CONFIG_H264_VDA_HWACCEL
 AVVDAContext *av_vda_alloc_context(void)
 {
     AVVDAContext *ret = av_mallocz(sizeof(*ret));
 

     if (ret) {

         ret->output_callback = ff_vda_output_callback;

         ret->cv_pix_fmt_type = kCVPixelFormatType_422YpCbCr8;
     }

 
     return ret;
 }
 
 int av_vda_default_init(AVCodecContext *avctx)
 {

     return av_vda_default_init2(avctx, NULL);
 }
 
 int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx)
 {
     avctx->hwaccel_context = vdactx ?: av_vda_alloc_context();

     if (!avctx->hwaccel_context)
         return AVERROR(ENOMEM);
     return ff_vda_default_init(avctx);
 }
 
 void av_vda_default_free(AVCodecContext *avctx)
 {
     ff_vda_default_free(avctx);
     av_freep(&avctx->hwaccel_context);
 }
 
 void ff_vda_default_free(AVCodecContext *avctx)
 {
     AVVDAContext *vda = avctx->hwaccel_context;
     if (vda && vda->decoder)
         VDADecoderDestroy(vda->decoder);
 }
 
 #else
 AVVDAContext *av_vda_alloc_context(void)
 {
     return NULL;
 }
 
 int av_vda_default_init(AVCodecContext *avctx)
 {
     return AVERROR(ENOSYS);
 }
 

 int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx)
 {
     return AVERROR(ENOSYS);
 }
 

 void av_vda_default_free(AVCodecContext *ctx)
 {
 }
 #endif