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88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/*
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* Android MediaCodec public API
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*
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* Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_MEDIACODEC_H
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#define AVCODEC_MEDIACODEC_H
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#include "libavcodec/avcodec.h"
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/**
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* This structure holds a reference to a android/view/Surface object that will
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* be used as output by the decoder.
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*
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*/
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typedef struct AVMediaCodecContext {
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/**
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* android/view/Surface object reference.
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*/
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void *surface;
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} AVMediaCodecContext;
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/**
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* Allocate and initialize a MediaCodec context.
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*
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* When decoding with MediaCodec is finished, the caller must free the
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* MediaCodec context with av_mediacodec_default_free.
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*
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* @return a pointer to a newly allocated AVMediaCodecContext on success, NULL otherwise
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*/
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AVMediaCodecContext *av_mediacodec_alloc_context(void);
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/**
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* Convenience function that sets up the MediaCodec context.
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*
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* @param avctx codec context
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* @param ctx MediaCodec context to initialize
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* @param surface reference to an android/view/Surface
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* @return 0 on success, < 0 otherwise
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*/
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int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface);
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/**
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* This function must be called to free the MediaCodec context initialized with
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* av_mediacodec_default_init().
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*
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* @param avctx codec context
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*/
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void av_mediacodec_default_free(AVCodecContext *avctx);
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/**
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* Opaque structure representing a MediaCodec buffer to render.
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*/
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typedef struct MediaCodecBuffer AVMediaCodecBuffer;
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/**
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* Release a MediaCodec buffer and render it to the surface that is associated
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* with the decoder. This function should only be called once on a given
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* buffer, once released the underlying buffer returns to the codec, thus
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* subsequent calls to this function will have no effect.
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*
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* @param buffer the buffer to render
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* @param render 1 to release and render the buffer to the surface or 0 to
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* discard the buffer
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* @return 0 on success, < 0 otherwise
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*/
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int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render);
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#endif /* AVCODEC_MEDIACODEC_H */
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