1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /** 18 * @addtogroup Media 19 * @{ 20 */ 21 22 /** 23 * @file NdkMediaFormat.h 24 */ 25 26 /* 27 * This file defines an NDK API. 28 * Do not remove methods. 29 * Do not change method signatures. 30 * Do not change the value of constants. 31 * Do not change the size of any of the classes defined in here. 32 * Do not reference types that are not part of the NDK. 33 * Do not #include files that aren't part of the NDK. 34 */ 35 36 #ifndef _NDK_MEDIA_FORMAT_H 37 #define _NDK_MEDIA_FORMAT_H 38 39 #include <stdbool.h> 40 #include <sys/cdefs.h> 41 #include <sys/types.h> 42 43 #if !defined(__INTRODUCED_IN) 44 #define __INTRODUCED_IN(__api_level) /* nothing */ 45 #endif 46 47 #include "NdkMediaError.h" 48 49 __BEGIN_DECLS 50 51 struct AMediaFormat; 52 typedef struct AMediaFormat AMediaFormat; 53 54 /** 55 * Available since API level 21. 56 */ 57 AMediaFormat *AMediaFormat_new() __INTRODUCED_IN(21); 58 59 /** 60 * Available since API level 21. 61 */ 62 media_status_t AMediaFormat_delete(AMediaFormat*) __INTRODUCED_IN(21); 63 64 /** 65 * Human readable representation of the format. The returned string is owned by the format, 66 * and remains valid until the next call to toString, or until the format is deleted. 67 * 68 * Available since API level 21. 69 */ 70 const char* AMediaFormat_toString(AMediaFormat*) __INTRODUCED_IN(21); 71 72 /** 73 * Available since API level 21. 74 */ 75 bool AMediaFormat_getInt32(AMediaFormat*, const char *name, int32_t *out) __INTRODUCED_IN(21); 76 /** 77 * Available since API level 21. 78 */ 79 bool AMediaFormat_getInt64(AMediaFormat*, const char *name, int64_t *out) __INTRODUCED_IN(21); 80 /** 81 * Available since API level 21. 82 */ 83 bool AMediaFormat_getFloat(AMediaFormat*, const char *name, float *out) __INTRODUCED_IN(21); 84 /** 85 * Available since API level 21. 86 */ 87 bool AMediaFormat_getSize(AMediaFormat*, const char *name, size_t *out) __INTRODUCED_IN(21); 88 /** 89 * The returned data is owned by the format and remains valid as long as the named entry 90 * is part of the format. 91 * 92 * Available since API level 21. 93 */ 94 bool AMediaFormat_getBuffer(AMediaFormat*, const char *name, void** data, size_t *size) __INTRODUCED_IN(21); 95 /** 96 * The returned string is owned by the format, and remains valid until the next call to getString, 97 * or until the format is deleted. 98 * 99 * Available since API level 21. 100 */ 101 bool AMediaFormat_getString(AMediaFormat*, const char *name, const char **out) __INTRODUCED_IN(21); 102 103 104 /** 105 * Available since API level 21. 106 */ 107 void AMediaFormat_setInt32(AMediaFormat*, const char* name, int32_t value) __INTRODUCED_IN(21); 108 /** 109 * Available since API level 21. 110 */ 111 void AMediaFormat_setInt64(AMediaFormat*, const char* name, int64_t value) __INTRODUCED_IN(21); 112 /** 113 * Available since API level 21. 114 */ 115 void AMediaFormat_setFloat(AMediaFormat*, const char* name, float value) __INTRODUCED_IN(21); 116 /** 117 * The provided string is copied into the format. 118 * 119 * Available since API level 21. 120 */ 121 void AMediaFormat_setString(AMediaFormat*, const char* name, const char* value) __INTRODUCED_IN(21); 122 /** 123 * The provided data is copied into the format. 124 * 125 * Available since API level 21. 126 */ 127 void AMediaFormat_setBuffer(AMediaFormat*, const char* name, const void* data, size_t size) __INTRODUCED_IN(21); 128 129 130 extern const char* AMEDIAFORMAT_KEY_AAC_DRC_ATTENUATION_FACTOR __INTRODUCED_IN(28); 131 extern const char* AMEDIAFORMAT_KEY_AAC_DRC_BOOST_FACTOR __INTRODUCED_IN(28); 132 extern const char* AMEDIAFORMAT_KEY_AAC_DRC_HEAVY_COMPRESSION __INTRODUCED_IN(28); 133 extern const char* AMEDIAFORMAT_KEY_AAC_DRC_TARGET_REFERENCE_LEVEL __INTRODUCED_IN(28); 134 extern const char* AMEDIAFORMAT_KEY_AAC_ENCODED_TARGET_LEVEL __INTRODUCED_IN(28); 135 extern const char* AMEDIAFORMAT_KEY_AAC_MAX_OUTPUT_CHANNEL_COUNT __INTRODUCED_IN(28); 136 extern const char* AMEDIAFORMAT_KEY_AAC_PROFILE __INTRODUCED_IN(21); 137 extern const char* AMEDIAFORMAT_KEY_AAC_SBR_MODE __INTRODUCED_IN(28); 138 /** 139 * A key for applications to opt out of allowing 140 * a Surface to discard undisplayed/unconsumed frames 141 * as means to catch up after falling behind. 142 * 143 * Semantics match those of {@link android.media.MediaFormat#KEY_ALLOW_FRAME_DROP} 144 */ 145 extern const char* AMEDIAFORMAT_KEY_ALLOW_FRAME_DROP __INTRODUCED_IN(34); 146 extern const char* AMEDIAFORMAT_KEY_AUDIO_SESSION_ID __INTRODUCED_IN(28); 147 extern const char* AMEDIAFORMAT_KEY_BITRATE_MODE __INTRODUCED_IN(28); 148 extern const char* AMEDIAFORMAT_KEY_BIT_RATE __INTRODUCED_IN(21); 149 extern const char* AMEDIAFORMAT_KEY_CAPTURE_RATE __INTRODUCED_IN(28); 150 extern const char* AMEDIAFORMAT_KEY_CHANNEL_COUNT __INTRODUCED_IN(21); 151 extern const char* AMEDIAFORMAT_KEY_CHANNEL_MASK __INTRODUCED_IN(21); 152 extern const char* AMEDIAFORMAT_KEY_COLOR_FORMAT __INTRODUCED_IN(21); 153 extern const char* AMEDIAFORMAT_KEY_COLOR_RANGE __INTRODUCED_IN(28); 154 extern const char* AMEDIAFORMAT_KEY_COLOR_STANDARD __INTRODUCED_IN(28); 155 extern const char* AMEDIAFORMAT_KEY_COLOR_TRANSFER __INTRODUCED_IN(28); 156 extern const char* AMEDIAFORMAT_KEY_COMPLEXITY __INTRODUCED_IN(28); 157 extern const char* AMEDIAFORMAT_KEY_CSD __INTRODUCED_IN(28); 158 extern const char* AMEDIAFORMAT_KEY_CSD_0 __INTRODUCED_IN(28); 159 extern const char* AMEDIAFORMAT_KEY_CSD_1 __INTRODUCED_IN(28); 160 extern const char* AMEDIAFORMAT_KEY_CSD_2 __INTRODUCED_IN(28); 161 extern const char* AMEDIAFORMAT_KEY_DISPLAY_CROP __INTRODUCED_IN(28); 162 extern const char* AMEDIAFORMAT_KEY_DISPLAY_HEIGHT __INTRODUCED_IN(28); 163 extern const char* AMEDIAFORMAT_KEY_DISPLAY_WIDTH __INTRODUCED_IN(28); 164 extern const char* AMEDIAFORMAT_KEY_DURATION __INTRODUCED_IN(21); 165 extern const char* AMEDIAFORMAT_KEY_FLAC_COMPRESSION_LEVEL __INTRODUCED_IN(21); 166 extern const char* AMEDIAFORMAT_KEY_FRAME_RATE __INTRODUCED_IN(21); 167 extern const char* AMEDIAFORMAT_KEY_GRID_COLUMNS __INTRODUCED_IN(28); 168 extern const char* AMEDIAFORMAT_KEY_GRID_ROWS __INTRODUCED_IN(28); 169 extern const char* AMEDIAFORMAT_KEY_HDR_STATIC_INFO __INTRODUCED_IN(28); 170 extern const char* AMEDIAFORMAT_KEY_HEIGHT __INTRODUCED_IN(21); 171 extern const char* AMEDIAFORMAT_KEY_INTRA_REFRESH_PERIOD __INTRODUCED_IN(28); 172 extern const char* AMEDIAFORMAT_KEY_IS_ADTS __INTRODUCED_IN(21); 173 extern const char* AMEDIAFORMAT_KEY_IS_AUTOSELECT __INTRODUCED_IN(21); 174 extern const char* AMEDIAFORMAT_KEY_IS_DEFAULT __INTRODUCED_IN(21); 175 extern const char* AMEDIAFORMAT_KEY_IS_FORCED_SUBTITLE __INTRODUCED_IN(21); 176 extern const char* AMEDIAFORMAT_KEY_I_FRAME_INTERVAL __INTRODUCED_IN(21); 177 extern const char* AMEDIAFORMAT_KEY_LANGUAGE __INTRODUCED_IN(21); 178 extern const char* AMEDIAFORMAT_KEY_LATENCY __INTRODUCED_IN(28); 179 extern const char* AMEDIAFORMAT_KEY_LEVEL __INTRODUCED_IN(28); 180 /** 181 * A key describing the maximum number of B frames between I or P frames, 182 * to be used by a video encoder. 183 * 184 * Semantics match those of {@link android.media.MediaFormat#KEY_MAX_B_FRAMES} 185 */ 186 extern const char* AMEDIAFORMAT_KEY_MAX_B_FRAMES __INTRODUCED_IN(34); 187 extern const char* AMEDIAFORMAT_KEY_MAX_HEIGHT __INTRODUCED_IN(21); 188 extern const char* AMEDIAFORMAT_KEY_MAX_INPUT_SIZE __INTRODUCED_IN(21); 189 extern const char* AMEDIAFORMAT_KEY_MAX_WIDTH __INTRODUCED_IN(21); 190 extern const char* AMEDIAFORMAT_KEY_MIME __INTRODUCED_IN(21); 191 extern const char* AMEDIAFORMAT_KEY_MPEG_USER_DATA __INTRODUCED_IN(28); 192 extern const char* AMEDIAFORMAT_KEY_OPERATING_RATE __INTRODUCED_IN(28); 193 extern const char* AMEDIAFORMAT_KEY_PCM_ENCODING __INTRODUCED_IN(28); 194 extern const char* AMEDIAFORMAT_KEY_PRIORITY __INTRODUCED_IN(28); 195 extern const char* AMEDIAFORMAT_KEY_PROFILE __INTRODUCED_IN(28); 196 extern const char* AMEDIAFORMAT_KEY_PUSH_BLANK_BUFFERS_ON_STOP __INTRODUCED_IN(21); 197 extern const char* AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER __INTRODUCED_IN(21); 198 extern const char* AMEDIAFORMAT_KEY_ROTATION __INTRODUCED_IN(28); 199 extern const char* AMEDIAFORMAT_KEY_SAMPLE_RATE __INTRODUCED_IN(21); 200 extern const char* AMEDIAFORMAT_KEY_SEI __INTRODUCED_IN(28); 201 extern const char* AMEDIAFORMAT_KEY_SLICE_HEIGHT __INTRODUCED_IN(28); 202 extern const char* AMEDIAFORMAT_KEY_STRIDE __INTRODUCED_IN(21); 203 extern const char* AMEDIAFORMAT_KEY_TEMPORAL_LAYER_ID __INTRODUCED_IN(28); 204 extern const char* AMEDIAFORMAT_KEY_TEMPORAL_LAYERING __INTRODUCED_IN(28); 205 extern const char* AMEDIAFORMAT_KEY_TILE_HEIGHT __INTRODUCED_IN(28); 206 extern const char* AMEDIAFORMAT_KEY_TILE_WIDTH __INTRODUCED_IN(28); 207 extern const char* AMEDIAFORMAT_KEY_TIME_US __INTRODUCED_IN(28); 208 extern const char* AMEDIAFORMAT_KEY_TRACK_ID __INTRODUCED_IN(28); 209 extern const char* AMEDIAFORMAT_KEY_TRACK_INDEX __INTRODUCED_IN(28); 210 extern const char* AMEDIAFORMAT_KEY_WIDTH __INTRODUCED_IN(21); 211 212 /** 213 * Available since API level 28. 214 */ 215 bool AMediaFormat_getDouble(AMediaFormat*, const char *name, double *out) __INTRODUCED_IN(28); 216 /** 217 * Available since API level 28. 218 */ 219 bool AMediaFormat_getRect(AMediaFormat*, const char *name, 220 int32_t *left, int32_t *top, int32_t *right, int32_t *bottom) __INTRODUCED_IN(28); 221 222 /** 223 * Available since API level 28. 224 */ 225 void AMediaFormat_setDouble(AMediaFormat*, const char* name, double value) __INTRODUCED_IN(28); 226 /** 227 * Available since API level 28. 228 */ 229 void AMediaFormat_setSize(AMediaFormat*, const char* name, size_t value) __INTRODUCED_IN(28); 230 /** 231 * Available since API level 28. 232 */ 233 void AMediaFormat_setRect(AMediaFormat*, const char* name, 234 int32_t left, int32_t top, int32_t right, int32_t bottom) __INTRODUCED_IN(28); 235 236 /** 237 * Remove all key/value pairs from the given AMediaFormat. 238 * 239 * Available since API level 29. 240 */ 241 void AMediaFormat_clear(AMediaFormat*) __INTRODUCED_IN(29); 242 243 /** 244 * Copy one AMediaFormat to another. 245 * 246 * Available since API level 29. 247 */ 248 media_status_t AMediaFormat_copy(AMediaFormat *to, AMediaFormat *from) __INTRODUCED_IN(29); 249 250 extern const char* AMEDIAFORMAT_KEY_ALBUM __INTRODUCED_IN(29); 251 extern const char* AMEDIAFORMAT_KEY_ALBUMART __INTRODUCED_IN(29); 252 extern const char* AMEDIAFORMAT_KEY_ALBUMARTIST __INTRODUCED_IN(29); 253 extern const char* AMEDIAFORMAT_KEY_ARTIST __INTRODUCED_IN(29); 254 extern const char* AMEDIAFORMAT_KEY_AUDIO_PRESENTATION_INFO __INTRODUCED_IN(29); 255 extern const char* AMEDIAFORMAT_KEY_AUDIO_PRESENTATION_PRESENTATION_ID __INTRODUCED_IN(29); 256 extern const char* AMEDIAFORMAT_KEY_AUDIO_PRESENTATION_PROGRAM_ID __INTRODUCED_IN(29); 257 extern const char* AMEDIAFORMAT_KEY_AUTHOR __INTRODUCED_IN(29); 258 extern const char* AMEDIAFORMAT_KEY_BITS_PER_SAMPLE __INTRODUCED_IN(29); 259 extern const char* AMEDIAFORMAT_KEY_CDTRACKNUMBER __INTRODUCED_IN(29); 260 extern const char* AMEDIAFORMAT_KEY_COMPILATION __INTRODUCED_IN(29); 261 extern const char* AMEDIAFORMAT_KEY_COMPOSER __INTRODUCED_IN(29); 262 extern const char* AMEDIAFORMAT_KEY_CREATE_INPUT_SURFACE_SUSPENDED __INTRODUCED_IN(29); 263 extern const char* AMEDIAFORMAT_KEY_CRYPTO_DEFAULT_IV_SIZE __INTRODUCED_IN(29); 264 extern const char* AMEDIAFORMAT_KEY_CRYPTO_ENCRYPTED_BYTE_BLOCK __INTRODUCED_IN(29); 265 extern const char* AMEDIAFORMAT_KEY_CRYPTO_ENCRYPTED_SIZES __INTRODUCED_IN(29); 266 extern const char* AMEDIAFORMAT_KEY_CRYPTO_IV __INTRODUCED_IN(29); 267 extern const char* AMEDIAFORMAT_KEY_CRYPTO_KEY __INTRODUCED_IN(29); 268 extern const char* AMEDIAFORMAT_KEY_CRYPTO_MODE __INTRODUCED_IN(29); 269 extern const char* AMEDIAFORMAT_KEY_CRYPTO_PLAIN_SIZES __INTRODUCED_IN(29); 270 extern const char* AMEDIAFORMAT_KEY_CRYPTO_SKIP_BYTE_BLOCK __INTRODUCED_IN(29); 271 extern const char* AMEDIAFORMAT_KEY_CSD_AVC __INTRODUCED_IN(29); 272 extern const char* AMEDIAFORMAT_KEY_CSD_HEVC __INTRODUCED_IN(29); 273 extern const char* AMEDIAFORMAT_KEY_D263 __INTRODUCED_IN(29); 274 extern const char* AMEDIAFORMAT_KEY_DATE __INTRODUCED_IN(29); 275 extern const char* AMEDIAFORMAT_KEY_DISCNUMBER __INTRODUCED_IN(29); 276 extern const char* AMEDIAFORMAT_KEY_ENCODER_DELAY __INTRODUCED_IN(29); 277 extern const char* AMEDIAFORMAT_KEY_ENCODER_PADDING __INTRODUCED_IN(29); 278 extern const char* AMEDIAFORMAT_KEY_ESDS __INTRODUCED_IN(29); 279 extern const char* AMEDIAFORMAT_KEY_EXIF_OFFSET __INTRODUCED_IN(29); 280 extern const char* AMEDIAFORMAT_KEY_EXIF_SIZE __INTRODUCED_IN(29); 281 extern const char* AMEDIAFORMAT_KEY_FRAME_COUNT __INTRODUCED_IN(29); 282 extern const char* AMEDIAFORMAT_KEY_GENRE __INTRODUCED_IN(29); 283 extern const char* AMEDIAFORMAT_KEY_HAPTIC_CHANNEL_COUNT __INTRODUCED_IN(29); 284 extern const char* AMEDIAFORMAT_KEY_ICC_PROFILE __INTRODUCED_IN(29); 285 extern const char* AMEDIAFORMAT_KEY_IS_SYNC_FRAME __INTRODUCED_IN(29); 286 extern const char* AMEDIAFORMAT_KEY_LOCATION __INTRODUCED_IN(29); 287 extern const char* AMEDIAFORMAT_KEY_LOOP __INTRODUCED_IN(29); 288 extern const char* AMEDIAFORMAT_KEY_LYRICIST __INTRODUCED_IN(29); 289 extern const char* AMEDIAFORMAT_KEY_MANUFACTURER __INTRODUCED_IN(29); 290 extern const char* AMEDIAFORMAT_KEY_MAX_BIT_RATE __INTRODUCED_IN(29); 291 extern const char* AMEDIAFORMAT_KEY_MAX_FPS_TO_ENCODER __INTRODUCED_IN(29); 292 extern const char* AMEDIAFORMAT_KEY_MAX_PTS_GAP_TO_ENCODER __INTRODUCED_IN(29); 293 extern const char* AMEDIAFORMAT_KEY_MPEG2_STREAM_HEADER __INTRODUCED_IN(29); 294 extern const char* AMEDIAFORMAT_KEY_PCM_BIG_ENDIAN __INTRODUCED_IN(29); 295 extern const char* AMEDIAFORMAT_KEY_PSSH __INTRODUCED_IN(29); 296 extern const char* AMEDIAFORMAT_KEY_SAR_HEIGHT __INTRODUCED_IN(29); 297 extern const char* AMEDIAFORMAT_KEY_SAR_WIDTH __INTRODUCED_IN(29); 298 extern const char* AMEDIAFORMAT_KEY_TARGET_TIME __INTRODUCED_IN(29); 299 extern const char* AMEDIAFORMAT_KEY_TEMPORAL_LAYER_COUNT __INTRODUCED_IN(29); 300 extern const char* AMEDIAFORMAT_KEY_TEXT_FORMAT_DATA __INTRODUCED_IN(29); 301 extern const char* AMEDIAFORMAT_KEY_THUMBNAIL_CSD_HEVC __INTRODUCED_IN(29); 302 extern const char* AMEDIAFORMAT_KEY_THUMBNAIL_HEIGHT __INTRODUCED_IN(29); 303 extern const char* AMEDIAFORMAT_KEY_THUMBNAIL_TIME __INTRODUCED_IN(29); 304 extern const char* AMEDIAFORMAT_KEY_THUMBNAIL_WIDTH __INTRODUCED_IN(29); 305 extern const char* AMEDIAFORMAT_KEY_TITLE __INTRODUCED_IN(29); 306 extern const char* AMEDIAFORMAT_KEY_VALID_SAMPLES __INTRODUCED_IN(29); 307 extern const char* AMEDIAFORMAT_KEY_YEAR __INTRODUCED_IN(29); 308 309 /** 310 * An optional key describing the low latency decoding mode. This is an optional parameter 311 * that applies only to decoders. If enabled, the decoder doesn't hold input and output 312 * data more than required by the codec standards. 313 * The associated value is an integer (0 or 1): 1 when low-latency decoding is enabled, 314 * 0 otherwise. The default value is 0. 315 * 316 * Available since API level 30. 317 */ 318 extern const char* AMEDIAFORMAT_KEY_LOW_LATENCY __INTRODUCED_IN(30); 319 320 extern const char* AMEDIAFORMAT_KEY_HDR10_PLUS_INFO __INTRODUCED_IN(31); 321 extern const char* AMEDIAFORMAT_KEY_SLOW_MOTION_MARKERS __INTRODUCED_IN(31); 322 extern const char* AMEDIAFORMAT_KEY_THUMBNAIL_CSD_AV1C __INTRODUCED_IN(31); 323 extern const char* AMEDIAFORMAT_KEY_XMP_OFFSET __INTRODUCED_IN(31); 324 extern const char* AMEDIAFORMAT_KEY_XMP_SIZE __INTRODUCED_IN(31); 325 extern const char* AMEDIAFORMAT_KEY_SAMPLE_FILE_OFFSET __INTRODUCED_IN(31); 326 extern const char* AMEDIAFORMAT_KEY_LAST_SAMPLE_INDEX_IN_CHUNK __INTRODUCED_IN(31); 327 extern const char* AMEDIAFORMAT_KEY_SAMPLE_TIME_BEFORE_APPEND __INTRODUCED_IN(31); 328 329 extern const char* AMEDIAFORMAT_KEY_PICTURE_TYPE __INTRODUCED_IN(33); 330 extern const char* AMEDIAFORMAT_KEY_VIDEO_ENCODING_STATISTICS_LEVEL __INTRODUCED_IN(33); 331 extern const char* AMEDIAFORMAT_KEY_VIDEO_QP_AVERAGE __INTRODUCED_IN(33); 332 333 extern const char* AMEDIAFORMAT_VIDEO_QP_B_MAX __INTRODUCED_IN(31); 334 extern const char* AMEDIAFORMAT_VIDEO_QP_B_MIN __INTRODUCED_IN(31); 335 extern const char* AMEDIAFORMAT_VIDEO_QP_I_MAX __INTRODUCED_IN(31); 336 extern const char* AMEDIAFORMAT_VIDEO_QP_I_MIN __INTRODUCED_IN(31); 337 extern const char* AMEDIAFORMAT_VIDEO_QP_MAX __INTRODUCED_IN(31); 338 extern const char* AMEDIAFORMAT_VIDEO_QP_MIN __INTRODUCED_IN(31); 339 extern const char* AMEDIAFORMAT_VIDEO_QP_P_MAX __INTRODUCED_IN(31); 340 extern const char* AMEDIAFORMAT_VIDEO_QP_P_MIN __INTRODUCED_IN(31); 341 342 /** 343 * MPEG-H audio profile and level compatibility. 344 * 345 * See FDAmd_2 of ISO_IEC_23008-3;2019 MHAProfileAndLevelCompatibilitySetBox. 346 * 347 * Available since API level 32. 348 */ 349 extern const char* AMEDIAFORMAT_KEY_MPEGH_COMPATIBLE_SETS __INTRODUCED_IN(32); 350 351 /** 352 * MPEG-H audio profile level indication. 353 * 354 * See ISO_IEC_23008-3;2019 MHADecoderConfigurationRecord mpegh3daProfileLevelIndication. 355 * 356 * Available since API level 32. 357 */ 358 extern const char* AMEDIAFORMAT_KEY_MPEGH_PROFILE_LEVEL_INDICATION __INTRODUCED_IN(32); 359 360 /** 361 * MPEG-H audio reference channel layout. 362 * 363 * See ISO_IEC_23008-3;2019 MHADecoderConfigurationRecord referenceChannelLayout 364 * and ISO_IEC_23001‐8 ChannelConfiguration value. 365 * 366 * Available since API level 32. 367 */ 368 extern const char* AMEDIAFORMAT_KEY_MPEGH_REFERENCE_CHANNEL_LAYOUT __INTRODUCED_IN(32); 369 370 __END_DECLS 371 372 #endif // _NDK_MEDIA_FORMAT_H 373 374 /** @} */ 375