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https://github.com/FFmpeg/FFmpeg.git
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e452abc5c2
Allows to select a codec (encoder or decoder) only if it supports a specific profile. Adds ff_AMediaCodecProfile_getProfileFromAVCodecContext to convert an AVCodecContext profile to a MediaCodec profile. It only supports H264 for now. The codepath using MediaCodecList.findDecoderForFormat() (Android >= 5.0) has been dropped as this method does not allow to select a decoder compatible with a specific profile.
128 lines
5.5 KiB
C
128 lines
5.5 KiB
C
/*
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* Android MediaCodec Wrapper
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*
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* Copyright (c) 2015-2016 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_WRAPPER_H
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#define AVCODEC_MEDIACODEC_WRAPPER_H
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#include <stdint.h>
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#include <sys/types.h>
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/**
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* The following API around MediaCodec and MediaFormat is based on the
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* NDK one provided by Google since Android 5.0.
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*
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* Differences from the NDK API:
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*
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* Buffers returned by ff_AMediaFormat_toString and ff_AMediaFormat_getString
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* are newly allocated buffer and must be freed by the user after use.
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*
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* The MediaCrypto API is not implemented.
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*
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* ff_AMediaCodec_infoTryAgainLater, ff_AMediaCodec_infoOutputBuffersChanged,
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* ff_AMediaCodec_infoOutputFormatChanged, ff_AMediaCodec_cleanOutputBuffers
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* ff_AMediaCodec_getName and ff_AMediaCodec_getBufferFlagEndOfStream are not
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* part of the original NDK API and are convenience functions to hide JNI
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* implementation.
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*
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* The API around MediaCodecList is not part of the NDK (and is lacking as
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* we still need to retreive the codec name to work around faulty decoders
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* and encoders).
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*
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* For documentation, please refers to NdkMediaCodec.h NdkMediaFormat.h and
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* http://developer.android.com/reference/android/media/MediaCodec.html.
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*
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*/
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int ff_AMediaCodecProfile_getProfileFromAVCodecContext(AVCodecContext *avctx);
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char *ff_AMediaCodecList_getCodecNameByType(const char *mime, int profile, int encoder, void *log_ctx);
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struct FFAMediaFormat;
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typedef struct FFAMediaFormat FFAMediaFormat;
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FFAMediaFormat *ff_AMediaFormat_new(void);
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int ff_AMediaFormat_delete(FFAMediaFormat* format);
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char* ff_AMediaFormat_toString(FFAMediaFormat* format);
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int ff_AMediaFormat_getInt32(FFAMediaFormat* format, const char *name, int32_t *out);
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int ff_AMediaFormat_getInt64(FFAMediaFormat* format, const char *name, int64_t *out);
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int ff_AMediaFormat_getFloat(FFAMediaFormat* format, const char *name, float *out);
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int ff_AMediaFormat_getBuffer(FFAMediaFormat* format, const char *name, void** data, size_t *size);
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int ff_AMediaFormat_getString(FFAMediaFormat* format, const char *name, const char **out);
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void ff_AMediaFormat_setInt32(FFAMediaFormat* format, const char* name, int32_t value);
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void ff_AMediaFormat_setInt64(FFAMediaFormat* format, const char* name, int64_t value);
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void ff_AMediaFormat_setFloat(FFAMediaFormat* format, const char* name, float value);
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void ff_AMediaFormat_setString(FFAMediaFormat* format, const char* name, const char* value);
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void ff_AMediaFormat_setBuffer(FFAMediaFormat* format, const char* name, void* data, size_t size);
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struct FFAMediaCodec;
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typedef struct FFAMediaCodec FFAMediaCodec;
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typedef struct FFAMediaCodecCryptoInfo FFAMediaCodecCryptoInfo;
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struct FFAMediaCodecBufferInfo {
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int32_t offset;
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int32_t size;
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int64_t presentationTimeUs;
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uint32_t flags;
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};
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typedef struct FFAMediaCodecBufferInfo FFAMediaCodecBufferInfo;
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char *ff_AMediaCodec_getName(FFAMediaCodec *codec);
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FFAMediaCodec* ff_AMediaCodec_createCodecByName(const char *name);
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FFAMediaCodec* ff_AMediaCodec_createDecoderByType(const char *mime_type);
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FFAMediaCodec* ff_AMediaCodec_createEncoderByType(const char *mime_type);
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int ff_AMediaCodec_configure(FFAMediaCodec* codec, const FFAMediaFormat* format, void* surface, void *crypto, uint32_t flags);
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int ff_AMediaCodec_start(FFAMediaCodec* codec);
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int ff_AMediaCodec_stop(FFAMediaCodec* codec);
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int ff_AMediaCodec_flush(FFAMediaCodec* codec);
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int ff_AMediaCodec_delete(FFAMediaCodec* codec);
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uint8_t* ff_AMediaCodec_getInputBuffer(FFAMediaCodec* codec, size_t idx, size_t *out_size);
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uint8_t* ff_AMediaCodec_getOutputBuffer(FFAMediaCodec* codec, size_t idx, size_t *out_size);
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ssize_t ff_AMediaCodec_dequeueInputBuffer(FFAMediaCodec* codec, int64_t timeoutUs);
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int ff_AMediaCodec_queueInputBuffer(FFAMediaCodec* codec, size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags);
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ssize_t ff_AMediaCodec_dequeueOutputBuffer(FFAMediaCodec* codec, FFAMediaCodecBufferInfo *info, int64_t timeoutUs);
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FFAMediaFormat* ff_AMediaCodec_getOutputFormat(FFAMediaCodec* codec);
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int ff_AMediaCodec_releaseOutputBuffer(FFAMediaCodec* codec, size_t idx, int render);
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int ff_AMediaCodec_releaseOutputBufferAtTime(FFAMediaCodec *codec, size_t idx, int64_t timestampNs);
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int ff_AMediaCodec_infoTryAgainLater(FFAMediaCodec *codec, ssize_t idx);
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int ff_AMediaCodec_infoOutputBuffersChanged(FFAMediaCodec *codec, ssize_t idx);
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int ff_AMediaCodec_infoOutputFormatChanged(FFAMediaCodec *codec, ssize_t indx);
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int ff_AMediaCodec_getBufferFlagCodecConfig (FFAMediaCodec *codec);
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int ff_AMediaCodec_getBufferFlagEndOfStream(FFAMediaCodec *codec);
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int ff_AMediaCodec_getBufferFlagKeyFrame(FFAMediaCodec *codec);
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int ff_AMediaCodec_getConfigureFlagEncode(FFAMediaCodec *codec);
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int ff_AMediaCodec_cleanOutputBuffers(FFAMediaCodec *codec);
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#endif /* AVCODEC_MEDIACODEC_WRAPPER_H */
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