1 /* 2 * Android MediaCodec Wrapper 3 * 4 * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #ifndef AVCODEC_MEDIACODEC_WRAPPER_H 24 #define AVCODEC_MEDIACODEC_WRAPPER_H 25 26 #include <stdint.h> 27 #include <sys/types.h> 28 29 #include "avcodec.h" 30 31 /** 32 * The following API around MediaCodec and MediaFormat is based on the 33 * NDK one provided by Google since Android 5.0. 34 * 35 * Differences from the NDK API: 36 * 37 * Buffers returned by ff_AMediaFormat_toString and ff_AMediaFormat_getString 38 * are newly allocated buffer and must be freed by the user after use. 39 * 40 * The MediaCrypto API is not implemented. 41 * 42 * ff_AMediaCodec_infoTryAgainLater, ff_AMediaCodec_infoOutputBuffersChanged, 43 * ff_AMediaCodec_infoOutputFormatChanged, ff_AMediaCodec_cleanOutputBuffers 44 * ff_AMediaCodec_getName and ff_AMediaCodec_getBufferFlagEndOfStream are not 45 * part of the original NDK API and are convenience functions to hide JNI 46 * implementation. 47 * 48 * The API around MediaCodecList is not part of the NDK (and is lacking as 49 * we still need to retrieve the codec name to work around faulty decoders 50 * and encoders). 51 * 52 * For documentation, please refers to NdkMediaCodec.h NdkMediaFormat.h and 53 * http://developer.android.com/reference/android/media/MediaCodec.html. 54 * 55 */ 56 57 int ff_AMediaCodecProfile_getProfileFromAVCodecContext(AVCodecContext *avctx); 58 59 char *ff_AMediaCodecList_getCodecNameByType(const char *mime, int profile, int encoder, void *log_ctx); 60 61 struct FFAMediaFormat; 62 typedef struct FFAMediaFormat FFAMediaFormat; 63 64 FFAMediaFormat *ff_AMediaFormat_new(void); 65 int ff_AMediaFormat_delete(FFAMediaFormat* format); 66 67 char* ff_AMediaFormat_toString(FFAMediaFormat* format); 68 69 int ff_AMediaFormat_getInt32(FFAMediaFormat* format, const char *name, int32_t *out); 70 int ff_AMediaFormat_getInt64(FFAMediaFormat* format, const char *name, int64_t *out); 71 int ff_AMediaFormat_getFloat(FFAMediaFormat* format, const char *name, float *out); 72 int ff_AMediaFormat_getBuffer(FFAMediaFormat* format, const char *name, void** data, size_t *size); 73 int ff_AMediaFormat_getString(FFAMediaFormat* format, const char *name, const char **out); 74 75 void ff_AMediaFormat_setInt32(FFAMediaFormat* format, const char* name, int32_t value); 76 void ff_AMediaFormat_setInt64(FFAMediaFormat* format, const char* name, int64_t value); 77 void ff_AMediaFormat_setFloat(FFAMediaFormat* format, const char* name, float value); 78 void ff_AMediaFormat_setString(FFAMediaFormat* format, const char* name, const char* value); 79 void ff_AMediaFormat_setBuffer(FFAMediaFormat* format, const char* name, void* data, size_t size); 80 81 struct FFAMediaCodec; 82 typedef struct FFAMediaCodec FFAMediaCodec; 83 typedef struct FFAMediaCodecCryptoInfo FFAMediaCodecCryptoInfo; 84 85 struct FFAMediaCodecBufferInfo { 86 int32_t offset; 87 int32_t size; 88 int64_t presentationTimeUs; 89 uint32_t flags; 90 }; 91 typedef struct FFAMediaCodecBufferInfo FFAMediaCodecBufferInfo; 92 93 char *ff_AMediaCodec_getName(FFAMediaCodec *codec); 94 95 FFAMediaCodec* ff_AMediaCodec_createCodecByName(const char *name); 96 FFAMediaCodec* ff_AMediaCodec_createDecoderByType(const char *mime_type); 97 FFAMediaCodec* ff_AMediaCodec_createEncoderByType(const char *mime_type); 98 99 int ff_AMediaCodec_configure(FFAMediaCodec* codec, const FFAMediaFormat* format, void* surface, void *crypto, uint32_t flags); 100 int ff_AMediaCodec_start(FFAMediaCodec* codec); 101 int ff_AMediaCodec_stop(FFAMediaCodec* codec); 102 int ff_AMediaCodec_flush(FFAMediaCodec* codec); 103 int ff_AMediaCodec_delete(FFAMediaCodec* codec); 104 105 uint8_t* ff_AMediaCodec_getInputBuffer(FFAMediaCodec* codec, size_t idx, size_t *out_size); 106 uint8_t* ff_AMediaCodec_getOutputBuffer(FFAMediaCodec* codec, size_t idx, size_t *out_size); 107 108 ssize_t ff_AMediaCodec_dequeueInputBuffer(FFAMediaCodec* codec, int64_t timeoutUs); 109 int ff_AMediaCodec_queueInputBuffer(FFAMediaCodec* codec, size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags); 110 111 ssize_t ff_AMediaCodec_dequeueOutputBuffer(FFAMediaCodec* codec, FFAMediaCodecBufferInfo *info, int64_t timeoutUs); 112 FFAMediaFormat* ff_AMediaCodec_getOutputFormat(FFAMediaCodec* codec); 113 114 int ff_AMediaCodec_releaseOutputBuffer(FFAMediaCodec* codec, size_t idx, int render); 115 int ff_AMediaCodec_releaseOutputBufferAtTime(FFAMediaCodec *codec, size_t idx, int64_t timestampNs); 116 117 int ff_AMediaCodec_infoTryAgainLater(FFAMediaCodec *codec, ssize_t idx); 118 int ff_AMediaCodec_infoOutputBuffersChanged(FFAMediaCodec *codec, ssize_t idx); 119 int ff_AMediaCodec_infoOutputFormatChanged(FFAMediaCodec *codec, ssize_t indx); 120 121 int ff_AMediaCodec_getBufferFlagCodecConfig (FFAMediaCodec *codec); 122 int ff_AMediaCodec_getBufferFlagEndOfStream(FFAMediaCodec *codec); 123 int ff_AMediaCodec_getBufferFlagKeyFrame(FFAMediaCodec *codec); 124 125 int ff_AMediaCodec_getConfigureFlagEncode(FFAMediaCodec *codec); 126 127 int ff_AMediaCodec_cleanOutputBuffers(FFAMediaCodec *codec); 128 129 int ff_Build_SDK_INT(AVCodecContext *avctx); 130 131 #endif /* AVCODEC_MEDIACODEC_WRAPPER_H */ 132