libavcodec/mediacodec.h
0f2654c9
 /*
  * Android MediaCodec public API
  *
  * Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
  *
  * 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
  */
 
 #ifndef AVCODEC_MEDIACODEC_H
 #define AVCODEC_MEDIACODEC_H
 
 #include "libavcodec/avcodec.h"
 
 /**
  * This structure holds a reference to a android/view/Surface object that will
  * be used as output by the decoder.
  *
  */
 typedef struct AVMediaCodecContext {
 
     /**
      * android/view/Surface object reference.
      */
     void *surface;
 
 } AVMediaCodecContext;
 
 /**
  * Allocate and initialize a MediaCodec context.
  *
  * When decoding with MediaCodec is finished, the caller must free the
  * MediaCodec context with av_mediacodec_default_free.
  *
  * @return a pointer to a newly allocated AVMediaCodecContext on success, NULL otherwise
  */
 AVMediaCodecContext *av_mediacodec_alloc_context(void);
 
 /**
  * Convenience function that sets up the MediaCodec context.
  *
  * @param avctx codec context
  * @param ctx MediaCodec context to initialize
  * @param surface reference to an android/view/Surface
  * @return 0 on success, < 0 otherwise
  */
 int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface);
 
 /**
  * This function must be called to free the MediaCodec context initialized with
  * av_mediacodec_default_init().
  *
  * @param avctx codec context
  */
 void av_mediacodec_default_free(AVCodecContext *avctx);
 
 /**
  * Opaque structure representing a MediaCodec buffer to render.
  */
 typedef struct MediaCodecBuffer AVMediaCodecBuffer;
 
 /**
  * Release a MediaCodec buffer and render it to the surface that is associated
  * with the decoder. This function should only be called once on a given
  * buffer, once released the underlying buffer returns to the codec, thus
  * subsequent calls to this function will have no effect.
  *
  * @param buffer the buffer to render
  * @param render 1 to release and render the buffer to the surface or 0 to
  * discard the buffer
  * @return 0 on success, < 0 otherwise
  */
 int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render);
 
 #endif /* AVCODEC_MEDIACODEC_H */