media/ffvpx/libavcodec/avcodec_internal.h

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 /*
  20  * APIs internal to the generic codec layer.
  21  *
  22  * MUST NOT be included by individual encoders or decoders.
  23  */
  24
  25 #ifndef AVCODEC_AVCODEC_INTERNAL_H
  26 #define AVCODEC_AVCODEC_INTERNAL_H
  27
  28 struct AVCodecContext;
  29 struct AVFrame;
  30
  31 /**
  32  * avcodec_receive_frame() implementation for decoders.
  33  */
  34 int ff_decode_receive_frame(struct AVCodecContext *avctx, struct AVFrame *frame);
  35
  36 /**
  37  * avcodec_receive_frame() implementation for encoders.
  38  */
  39 int ff_encode_receive_frame(struct AVCodecContext *avctx, struct AVFrame *frame);
  40
  41 /*
  42  * Perform encoder initialization and validation.
  43  * Called when opening the encoder, before the FFCodec.init() call.
  44  */
  45 int ff_encode_preinit(struct AVCodecContext *avctx);
  46
  47 /**
  48  * Perform decoder initialization and validation.
  49  * Called when opening the decoder, before the FFCodec.init() call.
  50  */
  51 int ff_decode_preinit(struct AVCodecContext *avctx);
  52
  53 void ff_decode_flush_buffers(struct AVCodecContext *avctx);
  54 void ff_encode_flush_buffers(struct AVCodecContext *avctx);
  55
  56 struct AVCodecInternal *ff_decode_internal_alloc(void);
  57 struct AVCodecInternal *ff_encode_internal_alloc(void);
  58
  59 #endif // AVCODEC_AVCODEC_INTERNAL_H