avcodec_audio_channel_layout.h
概述
声明用于音频编解码的枚举。
起始版本：
9
相关模块：
汇总
枚举
| 名称 | 描述 |
|---|---|
| OHOS::Media::AudioChannelSet : uint64_t { FRONT_LEFT = 1ULL << 0U, FRONT_RIGHT = 1ULL << 1U, FRONT_CENTER = 1ULL << 2U, LOW_FREQUENCY = 1ULL << 3U, BACK_LEFT = 1ULL << 4U, BACK_RIGHT = 1ULL << 5U, FRONT_LEFT_OF_CENTER = 1ULL << 6U, FRONT_RIGHT_OF_CENTER = 1ULL << 7U, BACK_CENTER = 1ULL << 8U, SIDE_LEFT = 1ULL << 9U, SIDE_RIGHT = 1ULL << 10U, TOP_CENTER = 1ULL << 11U, TOP_FRONT_LEFT = 1ULL << 12U, TOP_FRONT_CENTER = 1ULL << 13U, TOP_FRONT_RIGHT = 1ULL << 14U, TOP_BACK_LEFT = 1ULL << 15U, TOP_BACK_CENTER = 1ULL << 16U, TOP_BACK_RIGHT = 1ULL << 17U, STEREO_LEFT = 1ULL << 29U, STEREO_RIGHT = 1ULL << 30U, WIDE_LEFT = 1ULL << 31U, WIDE_RIGHT = 1ULL << 32U, SURROUND_DIRECT_LEFT = 1ULL << 33U, SURROUND_DIRECT_RIGHT = 1ULL << 34U, LOW_FREQUENCY_2 = 1ULL << 35U, TOP_SIDE_LEFT = 1ULL << 36U, TOP_SIDE_RIGHT = 1ULL << 37U, BOTTOM_FRONT_CENTER = 1ULL << 38U, BOTTOM_FRONT_LEFT = 1ULL << 39U, BOTTOM_FRONT_RIGHT = 1ULL << 40U, AMBISONICS_ACN0 = 1ULL << 41U, AMBISONICS_ACN1 = 1ULL << 42U, AMBISONICS_ACN2 = 1ULL << 43U, AMBISONICS_ACN3 = 1ULL << 44U, AMBISONICS_W = AMBISONICS_ACN0, AMBISONICS_Y = AMBISONICS_ACN1, AMBISONICS_Z = AMBISONICS_ACN2, AMBISONICS_X = AMBISONICS_ACN3, AMBISONICS_ACN4 = 1ULL << 45U, AMBISONICS_ACN5 = 1ULL << 46U, AMBISONICS_ACN6 = 1ULL << 47U, AMBISONICS_ACN7 = 1ULL << 48U, AMBISONICS_ACN8 = 1ULL << 49U, AMBISONICS_ACN9 = 1ULL << 50U, AMBISONICS_ACN10 = 1ULL << 51U, AMBISONICS_ACN11 = 1ULL << 52U, AMBISONICS_ACN12 = 1ULL << 53U, AMBISONICS_ACN13 = 1ULL << 54U, AMBISONICS_ACN14 = 1ULL << 55U, AMBISONICS_ACN15 = 1ULL << 56U } |
音频声道数集合， 将每一个声道数映射为int64的变量。 |
| OHOS::Media::AudioChannelLayout : uint64_t { UNKNOWN_CHANNEL_LAYOUT = 0, MONO = (AudioChannelSet::FRONT_CENTER), STEREO = (AudioChannelSet::FRONT_LEFT | AudioChannelSet::FRONT_RIGHT), CH_2POINT1 = (STEREO | AudioChannelSet::LOW_FREQUENCY), CH_2_1 = (STEREO | AudioChannelSet::BACK_CENTER), SURROUND = (STEREO | AudioChannelSet::FRONT_CENTER), CH_3POINT1 = (SURROUND | AudioChannelSet::LOW_FREQUENCY), CH_4POINT0 = (SURROUND | AudioChannelSet::BACK_CENTER), CH_4POINT1 = (CH_4POINT0 | AudioChannelSet::LOW_FREQUENCY), CH_2_2 = (STEREO | AudioChannelSet::SIDE_LEFT | AudioChannelSet::SIDE_RIGHT), QUAD = (STEREO | AudioChannelSet::BACK_LEFT | AudioChannelSet::BACK_RIGHT), CH_5POINT0 = (SURROUND | AudioChannelSet::SIDE_LEFT | AudioChannelSet::SIDE_RIGHT), CH_5POINT1 = (CH_5POINT0 | AudioChannelSet::LOW_FREQUENCY), CH_5POINT0_BACK = (SURROUND | AudioChannelSet::BACK_LEFT | AudioChannelSet::BACK_RIGHT), CH_5POINT1_BACK = (CH_5POINT0_BACK | AudioChannelSet::LOW_FREQUENCY), CH_6POINT0 = (CH_5POINT0 | AudioChannelSet::BACK_CENTER), CH_6POINT0_FRONT = (CH_2_2 | AudioChannelSet::FRONT_LEFT_OF_CENTER | AudioChannelSet::FRONT_RIGHT_OF_CENTER), HEXAGONAL = (CH_5POINT0_BACK | AudioChannelSet::BACK_CENTER), CH_6POINT1 = (CH_5POINT1 | AudioChannelSet::BACK_CENTER), CH_6POINT1_BACK = (CH_5POINT1_BACK | AudioChannelSet::BACK_CENTER), CH_6POINT1_FRONT = (CH_6POINT0_FRONT | AudioChannelSet::LOW_FREQUENCY), CH_7POINT0 = (CH_5POINT0 | AudioChannelSet::BACK_LEFT | AudioChannelSet::BACK_RIGHT), CH_7POINT0_FRONT = (CH_5POINT0 | AudioChannelSet::FRONT_LEFT_OF_CENTER | AudioChannelSet::FRONT_RIGHT_OF_CENTER), CH_7POINT1 = (CH_5POINT1 | AudioChannelSet::BACK_LEFT | AudioChannelSet::BACK_RIGHT), CH_7POINT1_WIDE = (CH_5POINT1 | AudioChannelSet::FRONT_LEFT_OF_CENTER | AudioChannelSet::FRONT_RIGHT_OF_CENTER), CH_7POINT1_WIDE_BACK = (CH_5POINT1_BACK | AudioChannelSet::FRONT_LEFT_OF_CENTER | AudioChannelSet::FRONT_RIGHT_OF_CENTER), CH_3POINT1POINT2 = (CH_3POINT1 | AudioChannelSet::TOP_FRONT_LEFT | AudioChannelSet::TOP_FRONT_RIGHT), CH_5POINT1POINT2 = (CH_5POINT1 | AudioChannelSet::TOP_SIDE_LEFT | AudioChannelSet::TOP_SIDE_RIGHT), CH_5POINT1POINT4 = (CH_5POINT1 | AudioChannelSet::TOP_FRONT_LEFT | AudioChannelSet::TOP_FRONT_RIGHT | AudioChannelSet::TOP_BACK_LEFT | AudioChannelSet::TOP_BACK_RIGHT), CH_7POINT1POINT2 = (CH_7POINT1 | AudioChannelSet::TOP_SIDE_LEFT | AudioChannelSet::TOP_SIDE_RIGHT), CH_7POINT1POINT4 = (CH_7POINT1 | AudioChannelSet::TOP_FRONT_LEFT | AudioChannelSet::TOP_FRONT_RIGHT | AudioChannelSet::TOP_BACK_LEFT | AudioChannelSet::TOP_BACK_RIGHT), CH_9POINT1POINT4 = (CH_7POINT1POINT4 | AudioChannelSet::WIDE_LEFT | AudioChannelSet::WIDE_RIGHT), CH_9POINT1POINT6 = (CH_9POINT1POINT4 | AudioChannelSet::TOP_SIDE_LEFT | AudioChannelSet::TOP_SIDE_RIGHT), CH_10POINT2 = (AudioChannelSet::FRONT_LEFT | AudioChannelSet::FRONT_RIGHT | AudioChannelSet::FRONT_CENTER | AudioChannelSet::TOP_FRONT_LEFT | AudioChannelSet::TOP_FRONT_RIGHT | AudioChannelSet::BACK_LEFT | AudioChannelSet::BACK_RIGHT | AudioChannelSet::BACK_CENTER | AudioChannelSet::SIDE_LEFT | AudioChannelSet::SIDE_RIGHT | AudioChannelSet::WIDE_LEFT | AudioChannelSet::WIDE_RIGHT), CH_22POINT2 = (CH_7POINT1POINT4 | AudioChannelSet::FRONT_LEFT_OF_CENTER | AudioChannelSet::FRONT_RIGHT_OF_CENTER | AudioChannelSet::BACK_CENTER | AudioChannelSet::TOP_CENTER | AudioChannelSet::TOP_FRONT_CENTER |, AudioChannelSet::TOP_BACK_CENTER | AudioChannelSet::TOP_SIDE_LEFT | AudioChannelSet::TOP_SIDE_RIGHT |AudioChannelSet::BOTTOM_FRONT_LEFT | AudioChannelSet::BOTTOM_FRONT_RIGHT |AudioChannelSet::BOTTOM_FRONT_CENTER | AudioChannelSet::LOW_FREQUENCY_2), OCTAGONAL = (CH_5POINT0 | AudioChannelSet::BACK_LEFT | AudioChannelSet::BACK_CENTER | AudioChannelSet::BACK_RIGHT), HEXADECAGONAL = (OCTAGONAL | AudioChannelSet::WIDE_LEFT | AudioChannelSet::WIDE_RIGHT | AudioChannelSet::TOP_BACK_LEFT | AudioChannelSet::TOP_BACK_RIGHT | AudioChannelSet::TOP_BACK_CENTER | AudioChannelSet::TOP_FRONT_CENTER | AudioChannelSet::TOP_FRONT_LEFT | AudioChannelSet::TOP_FRONT_RIGHT), STEREO_DOWNMIX = (AudioChannelSet::STEREO_LEFT | AudioChannelSet::STEREO_RIGHT), HOA_FIRST = AudioChannelSet::AMBISONICS_ACN0 | AudioChannelSet::AMBISONICS_ACN1 | AudioChannelSet::AMBISONICS_ACN2 |AudioChannelSet::AMBISONICS_ACN3, HOA_SECOND = HOA_FIRST | AudioChannelSet::AMBISONICS_ACN4 | AudioChannelSet::AMBISONICS_ACN5 | AudioChannelSet::AMBISONICS_ACN6 | AudioChannelSet::AMBISONICS_ACN7 | AudioChannelSet::AMBISONICS_ACN8, HOA_THIRD = HOA_SECOND | AudioChannelSet::AMBISONICS_ACN9 | AudioChannelSet::AMBISONICS_ACN10 | AudioChannelSet::AMBISONICS_ACN11 | AudioChannelSet::AMBISONICS_ACN12 | AudioChannelSet::AMBISONICS_ACN13 | AudioChannelSet::AMBISONICS_ACN14 |AudioChannelSet::AMBISONICS_ACN15 } |
音频声道数类型， 将用户申请的解码器输出格式表示为编解码器的声道类型。 |