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Diffstat (limited to 'libavcodec/mediacodec_wrapper.h')
-rw-r--r-- | libavcodec/mediacodec_wrapper.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/libavcodec/mediacodec_wrapper.h b/libavcodec/mediacodec_wrapper.h new file mode 100644 index 0000000..1b4f3a9 --- /dev/null +++ b/libavcodec/mediacodec_wrapper.h @@ -0,0 +1,127 @@ +/* + * Android MediaCodec Wrapper + * + * Copyright (c) 2015-2016 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_WRAPPER_H +#define AVCODEC_MEDIACODEC_WRAPPER_H + +#include <stdint.h> +#include <sys/types.h> + +/** + * The following API around MediaCodec and MediaFormat is based on the + * NDK one provided by Google since Android 5.0. + * + * Differences from the NDK API: + * + * Buffers returned by ff_AMediaFormat_toString and ff_AMediaFormat_getString + * are newly allocated buffer and must be freed by the user after use. + * + * The MediaCrypto API is not implemented. + * + * ff_AMediaCodec_infoTryAgainLater, ff_AMediaCodec_infoOutputBuffersChanged, + * ff_AMediaCodec_infoOutputFormatChanged, ff_AMediaCodec_cleanOutputBuffers + * ff_AMediaCodec_getName and ff_AMediaCodec_getBufferFlagEndOfStream are not + * part of the original NDK API and are convenience functions to hide JNI + * implementation. + * + * The API around MediaCodecList is not part of the NDK (and is lacking as + * we still need to retrieve the codec name to work around faulty decoders + * and encoders). + * + * For documentation, please refers to NdkMediaCodec.h NdkMediaFormat.h and + * http://developer.android.com/reference/android/media/MediaCodec.html. + * + */ + +int ff_AMediaCodecProfile_getProfileFromAVCodecContext(AVCodecContext *avctx); + +char *ff_AMediaCodecList_getCodecNameByType(const char *mime, int profile, int encoder, void *log_ctx); + +struct FFAMediaFormat; +typedef struct FFAMediaFormat FFAMediaFormat; + +FFAMediaFormat *ff_AMediaFormat_new(void); +int ff_AMediaFormat_delete(FFAMediaFormat* format); + +char* ff_AMediaFormat_toString(FFAMediaFormat* format); + +int ff_AMediaFormat_getInt32(FFAMediaFormat* format, const char *name, int32_t *out); +int ff_AMediaFormat_getInt64(FFAMediaFormat* format, const char *name, int64_t *out); +int ff_AMediaFormat_getFloat(FFAMediaFormat* format, const char *name, float *out); +int ff_AMediaFormat_getBuffer(FFAMediaFormat* format, const char *name, void** data, size_t *size); +int ff_AMediaFormat_getString(FFAMediaFormat* format, const char *name, const char **out); + +void ff_AMediaFormat_setInt32(FFAMediaFormat* format, const char* name, int32_t value); +void ff_AMediaFormat_setInt64(FFAMediaFormat* format, const char* name, int64_t value); +void ff_AMediaFormat_setFloat(FFAMediaFormat* format, const char* name, float value); +void ff_AMediaFormat_setString(FFAMediaFormat* format, const char* name, const char* value); +void ff_AMediaFormat_setBuffer(FFAMediaFormat* format, const char* name, void* data, size_t size); + +struct FFAMediaCodec; +typedef struct FFAMediaCodec FFAMediaCodec; +typedef struct FFAMediaCodecCryptoInfo FFAMediaCodecCryptoInfo; + +struct FFAMediaCodecBufferInfo { + int32_t offset; + int32_t size; + int64_t presentationTimeUs; + uint32_t flags; +}; +typedef struct FFAMediaCodecBufferInfo FFAMediaCodecBufferInfo; + +char *ff_AMediaCodec_getName(FFAMediaCodec *codec); + +FFAMediaCodec* ff_AMediaCodec_createCodecByName(const char *name); +FFAMediaCodec* ff_AMediaCodec_createDecoderByType(const char *mime_type); +FFAMediaCodec* ff_AMediaCodec_createEncoderByType(const char *mime_type); + +int ff_AMediaCodec_configure(FFAMediaCodec* codec, const FFAMediaFormat* format, void* surface, void *crypto, uint32_t flags); +int ff_AMediaCodec_start(FFAMediaCodec* codec); +int ff_AMediaCodec_stop(FFAMediaCodec* codec); +int ff_AMediaCodec_flush(FFAMediaCodec* codec); +int ff_AMediaCodec_delete(FFAMediaCodec* codec); + +uint8_t* ff_AMediaCodec_getInputBuffer(FFAMediaCodec* codec, size_t idx, size_t *out_size); +uint8_t* ff_AMediaCodec_getOutputBuffer(FFAMediaCodec* codec, size_t idx, size_t *out_size); + +ssize_t ff_AMediaCodec_dequeueInputBuffer(FFAMediaCodec* codec, int64_t timeoutUs); +int ff_AMediaCodec_queueInputBuffer(FFAMediaCodec* codec, size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags); + +ssize_t ff_AMediaCodec_dequeueOutputBuffer(FFAMediaCodec* codec, FFAMediaCodecBufferInfo *info, int64_t timeoutUs); +FFAMediaFormat* ff_AMediaCodec_getOutputFormat(FFAMediaCodec* codec); + +int ff_AMediaCodec_releaseOutputBuffer(FFAMediaCodec* codec, size_t idx, int render); +int ff_AMediaCodec_releaseOutputBufferAtTime(FFAMediaCodec *codec, size_t idx, int64_t timestampNs); + +int ff_AMediaCodec_infoTryAgainLater(FFAMediaCodec *codec, ssize_t idx); +int ff_AMediaCodec_infoOutputBuffersChanged(FFAMediaCodec *codec, ssize_t idx); +int ff_AMediaCodec_infoOutputFormatChanged(FFAMediaCodec *codec, ssize_t indx); + +int ff_AMediaCodec_getBufferFlagCodecConfig (FFAMediaCodec *codec); +int ff_AMediaCodec_getBufferFlagEndOfStream(FFAMediaCodec *codec); +int ff_AMediaCodec_getBufferFlagKeyFrame(FFAMediaCodec *codec); + +int ff_AMediaCodec_getConfigureFlagEncode(FFAMediaCodec *codec); + +int ff_AMediaCodec_cleanOutputBuffers(FFAMediaCodec *codec); + +#endif /* AVCODEC_MEDIACODEC_WRAPPER_H */ |