kopia lustrzana https://github.com/corrscope/corrscope
Merge pull request #510 from corrscope/fix-float-master-audio
Fix using floating-point WAVs as master audiomaster
nyanpasu64
GitHub
commit
baf9be3420
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@ -9,7 +9,7 @@
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### Major Changes
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- Encode audio using libopus instead of aac (#487)
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- Fix loss of volume when using a mono track as master audio (#488)
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- Fix loss of volume when using a mono track as master audio (#488, #510)
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- Fix bug where previewing project files breaks them (#509)
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### Changelog
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@ -1,7 +1,6 @@
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import errno
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import shlex
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import subprocess
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import wave
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from abc import ABC, abstractmethod
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from os.path import abspath
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from typing import TYPE_CHECKING, Type, List, Union, Optional, ClassVar, Callable
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@ -9,6 +8,7 @@ from typing import TYPE_CHECKING, Type, List, Union, Optional, ClassVar, Callabl
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from corrscope.config import DumpableAttrs
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from corrscope.renderer import ByteBuffer, Renderer
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from corrscope.settings.paths import MissingFFmpegError
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from corrscope.utils import wavprobe
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if TYPE_CHECKING:
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from corrscope.corrscope import Config
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@ -88,8 +88,10 @@ class _FFmpegProcess:
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self.templates.append(f"-ss {corr_cfg.begin_time}")
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with wave.open(corr_cfg.master_audio, "rb") as master_wav:
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self.mono = master_wav.getnchannels() <= 1
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# wave does not support floating-point master audio. wavfile loads files
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# slowly, and wavfile(mmap=true) does not support 24-bit integer samples.
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audio_fmt = wavprobe.probe(corr_cfg.master_audio)
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self.mono = audio_fmt.channels == 1
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audio_path = shlex.quote(abspath(corr_cfg.master_audio))
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self.templates += ffmpeg_input_audio(audio_path, self.mono) # audio
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@ -0,0 +1,471 @@
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"""
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Based on scipy wavfile.
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"""
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import struct
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from enum import IntEnum
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__all__ = [
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"FmtChunk",
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"probe",
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]
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import attr
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class WAVE_FORMAT(IntEnum):
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"""
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WAVE form wFormatTag IDs
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Complete list is in mmreg.h in Windows 10 SDK. ALAC and OPUS are the
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newest additions, in v10.0.14393 2016-07
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"""
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UNKNOWN = 0x0000
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PCM = 0x0001
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ADPCM = 0x0002
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IEEE_FLOAT = 0x0003
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VSELP = 0x0004
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IBM_CVSD = 0x0005
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ALAW = 0x0006
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MULAW = 0x0007
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DTS = 0x0008
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DRM = 0x0009
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WMAVOICE9 = 0x000A
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WMAVOICE10 = 0x000B
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OKI_ADPCM = 0x0010
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DVI_ADPCM = 0x0011
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IMA_ADPCM = 0x0011 # Duplicate
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MEDIASPACE_ADPCM = 0x0012
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SIERRA_ADPCM = 0x0013
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G723_ADPCM = 0x0014
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DIGISTD = 0x0015
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DIGIFIX = 0x0016
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DIALOGIC_OKI_ADPCM = 0x0017
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MEDIAVISION_ADPCM = 0x0018
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CU_CODEC = 0x0019
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HP_DYN_VOICE = 0x001A
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YAMAHA_ADPCM = 0x0020
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SONARC = 0x0021
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DSPGROUP_TRUESPEECH = 0x0022
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ECHOSC1 = 0x0023
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AUDIOFILE_AF36 = 0x0024
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APTX = 0x0025
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AUDIOFILE_AF10 = 0x0026
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PROSODY_1612 = 0x0027
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LRC = 0x0028
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DOLBY_AC2 = 0x0030
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GSM610 = 0x0031
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MSNAUDIO = 0x0032
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ANTEX_ADPCME = 0x0033
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CONTROL_RES_VQLPC = 0x0034
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DIGIREAL = 0x0035
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DIGIADPCM = 0x0036
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CONTROL_RES_CR10 = 0x0037
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NMS_VBXADPCM = 0x0038
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CS_IMAADPCM = 0x0039
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ECHOSC3 = 0x003A
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ROCKWELL_ADPCM = 0x003B
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ROCKWELL_DIGITALK = 0x003C
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XEBEC = 0x003D
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G721_ADPCM = 0x0040
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G728_CELP = 0x0041
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MSG723 = 0x0042
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INTEL_G723_1 = 0x0043
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INTEL_G729 = 0x0044
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SHARP_G726 = 0x0045
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MPEG = 0x0050
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RT24 = 0x0052
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PAC = 0x0053
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MPEGLAYER3 = 0x0055
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LUCENT_G723 = 0x0059
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CIRRUS = 0x0060
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ESPCM = 0x0061
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VOXWARE = 0x0062
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CANOPUS_ATRAC = 0x0063
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G726_ADPCM = 0x0064
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G722_ADPCM = 0x0065
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DSAT = 0x0066
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DSAT_DISPLAY = 0x0067
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VOXWARE_BYTE_ALIGNED = 0x0069
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VOXWARE_AC8 = 0x0070
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VOXWARE_AC10 = 0x0071
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VOXWARE_AC16 = 0x0072
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VOXWARE_AC20 = 0x0073
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VOXWARE_RT24 = 0x0074
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VOXWARE_RT29 = 0x0075
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VOXWARE_RT29HW = 0x0076
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VOXWARE_VR12 = 0x0077
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VOXWARE_VR18 = 0x0078
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VOXWARE_TQ40 = 0x0079
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VOXWARE_SC3 = 0x007A
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VOXWARE_SC3_1 = 0x007B
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SOFTSOUND = 0x0080
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VOXWARE_TQ60 = 0x0081
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MSRT24 = 0x0082
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G729A = 0x0083
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MVI_MVI2 = 0x0084
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DF_G726 = 0x0085
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DF_GSM610 = 0x0086
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ISIAUDIO = 0x0088
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ONLIVE = 0x0089
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MULTITUDE_FT_SX20 = 0x008A
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INFOCOM_ITS_G721_ADPCM = 0x008B
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CONVEDIA_G729 = 0x008C
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CONGRUENCY = 0x008D
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SBC24 = 0x0091
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DOLBY_AC3_SPDIF = 0x0092
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MEDIASONIC_G723 = 0x0093
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PROSODY_8KBPS = 0x0094
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ZYXEL_ADPCM = 0x0097
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PHILIPS_LPCBB = 0x0098
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PACKED = 0x0099
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MALDEN_PHONYTALK = 0x00A0
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RACAL_RECORDER_GSM = 0x00A1
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RACAL_RECORDER_G720_A = 0x00A2
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RACAL_RECORDER_G723_1 = 0x00A3
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RACAL_RECORDER_TETRA_ACELP = 0x00A4
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NEC_AAC = 0x00B0
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RAW_AAC1 = 0x00FF
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RHETOREX_ADPCM = 0x0100
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IRAT = 0x0101
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VIVO_G723 = 0x0111
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VIVO_SIREN = 0x0112
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PHILIPS_CELP = 0x0120
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PHILIPS_GRUNDIG = 0x0121
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DIGITAL_G723 = 0x0123
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SANYO_LD_ADPCM = 0x0125
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SIPROLAB_ACEPLNET = 0x0130
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SIPROLAB_ACELP4800 = 0x0131
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SIPROLAB_ACELP8V3 = 0x0132
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SIPROLAB_G729 = 0x0133
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SIPROLAB_G729A = 0x0134
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SIPROLAB_KELVIN = 0x0135
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VOICEAGE_AMR = 0x0136
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G726ADPCM = 0x0140
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DICTAPHONE_CELP68 = 0x0141
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DICTAPHONE_CELP54 = 0x0142
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QUALCOMM_PUREVOICE = 0x0150
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QUALCOMM_HALFRATE = 0x0151
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TUBGSM = 0x0155
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MSAUDIO1 = 0x0160
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WMAUDIO2 = 0x0161
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WMAUDIO3 = 0x0162
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WMAUDIO_LOSSLESS = 0x0163
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WMASPDIF = 0x0164
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UNISYS_NAP_ADPCM = 0x0170
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UNISYS_NAP_ULAW = 0x0171
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UNISYS_NAP_ALAW = 0x0172
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UNISYS_NAP_16K = 0x0173
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SYCOM_ACM_SYC008 = 0x0174
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SYCOM_ACM_SYC701_G726L = 0x0175
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SYCOM_ACM_SYC701_CELP54 = 0x0176
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SYCOM_ACM_SYC701_CELP68 = 0x0177
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KNOWLEDGE_ADVENTURE_ADPCM = 0x0178
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FRAUNHOFER_IIS_MPEG2_AAC = 0x0180
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DTS_DS = 0x0190
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CREATIVE_ADPCM = 0x0200
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CREATIVE_FASTSPEECH8 = 0x0202
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CREATIVE_FASTSPEECH10 = 0x0203
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UHER_ADPCM = 0x0210
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ULEAD_DV_AUDIO = 0x0215
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ULEAD_DV_AUDIO_1 = 0x0216
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QUARTERDECK = 0x0220
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ILINK_VC = 0x0230
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RAW_SPORT = 0x0240
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ESST_AC3 = 0x0241
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GENERIC_PASSTHRU = 0x0249
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IPI_HSX = 0x0250
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IPI_RPELP = 0x0251
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CS2 = 0x0260
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SONY_SCX = 0x0270
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SONY_SCY = 0x0271
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SONY_ATRAC3 = 0x0272
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SONY_SPC = 0x0273
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TELUM_AUDIO = 0x0280
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TELUM_IA_AUDIO = 0x0281
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NORCOM_VOICE_SYSTEMS_ADPCM = 0x0285
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FM_TOWNS_SND = 0x0300
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MICRONAS = 0x0350
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MICRONAS_CELP833 = 0x0351
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BTV_DIGITAL = 0x0400
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INTEL_MUSIC_CODER = 0x0401
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INDEO_AUDIO = 0x0402
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QDESIGN_MUSIC = 0x0450
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ON2_VP7_AUDIO = 0x0500
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ON2_VP6_AUDIO = 0x0501
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VME_VMPCM = 0x0680
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TPC = 0x0681
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LIGHTWAVE_LOSSLESS = 0x08AE
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OLIGSM = 0x1000
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OLIADPCM = 0x1001
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OLICELP = 0x1002
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OLISBC = 0x1003
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OLIOPR = 0x1004
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LH_CODEC = 0x1100
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LH_CODEC_CELP = 0x1101
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LH_CODEC_SBC8 = 0x1102
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LH_CODEC_SBC12 = 0x1103
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LH_CODEC_SBC16 = 0x1104
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NORRIS = 0x1400
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ISIAUDIO_2 = 0x1401
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SOUNDSPACE_MUSICOMPRESS = 0x1500
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MPEG_ADTS_AAC = 0x1600
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MPEG_RAW_AAC = 0x1601
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MPEG_LOAS = 0x1602
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NOKIA_MPEG_ADTS_AAC = 0x1608
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NOKIA_MPEG_RAW_AAC = 0x1609
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VODAFONE_MPEG_ADTS_AAC = 0x160A
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VODAFONE_MPEG_RAW_AAC = 0x160B
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MPEG_HEAAC = 0x1610
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VOXWARE_RT24_SPEECH = 0x181C
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SONICFOUNDRY_LOSSLESS = 0x1971
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INNINGS_TELECOM_ADPCM = 0x1979
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LUCENT_SX8300P = 0x1C07
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LUCENT_SX5363S = 0x1C0C
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CUSEEME = 0x1F03
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NTCSOFT_ALF2CM_ACM = 0x1FC4
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DVM = 0x2000
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DTS2 = 0x2001
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MAKEAVIS = 0x3313
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DIVIO_MPEG4_AAC = 0x4143
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NOKIA_ADAPTIVE_MULTIRATE = 0x4201
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DIVIO_G726 = 0x4243
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LEAD_SPEECH = 0x434C
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LEAD_VORBIS = 0x564C
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WAVPACK_AUDIO = 0x5756
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OGG_VORBIS_MODE_1 = 0x674F
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OGG_VORBIS_MODE_2 = 0x6750
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OGG_VORBIS_MODE_3 = 0x6751
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OGG_VORBIS_MODE_1_PLUS = 0x676F
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OGG_VORBIS_MODE_2_PLUS = 0x6770
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OGG_VORBIS_MODE_3_PLUS = 0x6771
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ALAC = 0x6C61
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_3COM_NBX = 0x7000 # Can't have leading digit
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OPUS = 0x704F
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FAAD_AAC = 0x706D
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AMR_NB = 0x7361
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AMR_WB = 0x7362
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AMR_WP = 0x7363
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GSM_AMR_CBR = 0x7A21
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GSM_AMR_VBR_SID = 0x7A22
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COMVERSE_INFOSYS_G723_1 = 0xA100
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COMVERSE_INFOSYS_AVQSBC = 0xA101
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COMVERSE_INFOSYS_SBC = 0xA102
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SYMBOL_G729_A = 0xA103
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VOICEAGE_AMR_WB = 0xA104
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INGENIENT_G726 = 0xA105
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MPEG4_AAC = 0xA106
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ENCORE_G726 = 0xA107
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ZOLL_ASAO = 0xA108
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SPEEX_VOICE = 0xA109
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VIANIX_MASC = 0xA10A
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WM9_SPECTRUM_ANALYZER = 0xA10B
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WMF_SPECTRUM_ANAYZER = 0xA10C
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GSM_610 = 0xA10D
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GSM_620 = 0xA10E
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GSM_660 = 0xA10F
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GSM_690 = 0xA110
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GSM_ADAPTIVE_MULTIRATE_WB = 0xA111
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POLYCOM_G722 = 0xA112
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POLYCOM_G728 = 0xA113
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POLYCOM_G729_A = 0xA114
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POLYCOM_SIREN = 0xA115
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GLOBAL_IP_ILBC = 0xA116
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RADIOTIME_TIME_SHIFT_RADIO = 0xA117
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NICE_ACA = 0xA118
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NICE_ADPCM = 0xA119
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VOCORD_G721 = 0xA11A
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VOCORD_G726 = 0xA11B
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VOCORD_G722_1 = 0xA11C
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VOCORD_G728 = 0xA11D
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VOCORD_G729 = 0xA11E
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VOCORD_G729_A = 0xA11F
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VOCORD_G723_1 = 0xA120
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VOCORD_LBC = 0xA121
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NICE_G728 = 0xA122
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FRACE_TELECOM_G729 = 0xA123
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CODIAN = 0xA124
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FLAC = 0xF1AC
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EXTENSIBLE = 0xFFFE
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DEVELOPMENT = 0xFFFF
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KNOWN_WAVE_FORMATS = {WAVE_FORMAT.PCM, WAVE_FORMAT.IEEE_FLOAT}
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def _raise_bad_format(format_tag):
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try:
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format_name = WAVE_FORMAT(format_tag).name
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except ValueError:
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format_name = f"{format_tag:#06x}"
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raise ValueError(
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f"Unknown wave file format: {format_name}. Supported "
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"formats: " + ", ".join(x.name for x in KNOWN_WAVE_FORMATS)
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)
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|
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|
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@attr.dataclass
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class FmtChunk:
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size: int # size of format subchunk in bytes (minus 8 for "fmt " and itself)
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|
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format_tag: int # PCM, float, or compressed format
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channels: int # number of channels
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fs: int # sampling frequency in samples per second
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|
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bytes_per_second: int # overall byte rate for the file
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block_align: int # bytes per sample, including all channels
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bit_depth: int # bits per sample
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|
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|
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def _read_fmt_chunk(fid, is_big_endian) -> FmtChunk:
|
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"""
|
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Notes
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-----
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Assumes file pointer is immediately after the 'fmt ' id
|
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"""
|
||||
if is_big_endian:
|
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fmt = ">"
|
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else:
|
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fmt = "<"
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|
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size = struct.unpack(fmt + "I", fid.read(4))[0]
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|
||||
if size < 16:
|
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raise ValueError("Binary structure of wave file is not compliant")
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|
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res = struct.unpack(fmt + "HHIIHH", fid.read(16))
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bytes_read = 16
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||||
|
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format_tag, channels, fs, bytes_per_second, block_align, bit_depth = res
|
||||
|
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if format_tag == WAVE_FORMAT.EXTENSIBLE and size >= (16 + 2):
|
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ext_chunk_size = struct.unpack(fmt + "H", fid.read(2))[0]
|
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bytes_read += 2
|
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if ext_chunk_size >= 22:
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extensible_chunk_data = fid.read(22)
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bytes_read += 22
|
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raw_guid = extensible_chunk_data[2 + 4 : 2 + 4 + 16]
|
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# GUID template {XXXXXXXX-0000-0010-8000-00AA00389B71} (RFC-2361)
|
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# MS GUID byte order: first three groups are native byte order,
|
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# rest is Big Endian
|
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if is_big_endian:
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tail = b"\x00\x00\x00\x10\x80\x00\x00\xAA\x00\x38\x9B\x71"
|
||||
else:
|
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tail = b"\x00\x00\x10\x00\x80\x00\x00\xAA\x00\x38\x9B\x71"
|
||||
if raw_guid.endswith(tail):
|
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format_tag = struct.unpack(fmt + "I", raw_guid[:4])[0]
|
||||
else:
|
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raise ValueError("Binary structure of wave file is not compliant")
|
||||
|
||||
if format_tag not in KNOWN_WAVE_FORMATS:
|
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_raise_bad_format(format_tag)
|
||||
|
||||
# move file pointer to next chunk
|
||||
if size > bytes_read:
|
||||
fid.read(size - bytes_read)
|
||||
|
||||
# fmt should always be 16, 18 or 40, but handle it just in case
|
||||
_handle_pad_byte(fid, size)
|
||||
|
||||
return FmtChunk(
|
||||
size, format_tag, channels, fs, bytes_per_second, block_align, bit_depth
|
||||
)
|
||||
|
||||
|
||||
def _skip_unknown_chunk(fid, is_big_endian):
|
||||
if is_big_endian:
|
||||
fmt = ">I"
|
||||
else:
|
||||
fmt = "<I"
|
||||
|
||||
data = fid.read(4)
|
||||
# call unpack() and seek() only if we have really read data from file
|
||||
# otherwise empty read at the end of the file would trigger
|
||||
# unnecessary exception at unpack() call
|
||||
# in case data equals somehow to 0, there is no need for seek() anyway
|
||||
if data:
|
||||
size = struct.unpack(fmt, data)[0]
|
||||
fid.seek(size, 1)
|
||||
_handle_pad_byte(fid, size)
|
||||
|
||||
|
||||
def _read_riff_chunk(fid):
|
||||
str1 = fid.read(4) # File signature
|
||||
if str1 == b"RIFF":
|
||||
is_big_endian = False
|
||||
fmt = "<I"
|
||||
elif str1 == b"RIFX":
|
||||
is_big_endian = True
|
||||
fmt = ">I"
|
||||
else:
|
||||
# There are also .wav files with "FFIR" or "XFIR" signatures?
|
||||
raise ValueError(
|
||||
f"File format {repr(str1)} not understood. Only "
|
||||
"'RIFF' and 'RIFX' supported."
|
||||
)
|
||||
|
||||
# Size of entire file
|
||||
file_size = struct.unpack(fmt, fid.read(4))[0] + 8
|
||||
|
||||
str2 = fid.read(4)
|
||||
if str2 != b"WAVE":
|
||||
raise ValueError(f"Not a WAV file. RIFF form type is {repr(str2)}.")
|
||||
|
||||
return file_size, is_big_endian
|
||||
|
||||
|
||||
def _handle_pad_byte(fid, size):
|
||||
# "If the chunk size is an odd number of bytes, a pad byte with value zero
|
||||
# is written after ckData." So we need to seek past this after each chunk.
|
||||
if size % 2:
|
||||
fid.seek(1, 1)
|
||||
|
||||
|
||||
def probe(filename: str) -> FmtChunk:
|
||||
"""
|
||||
Open a WAV file and return sample/channel format metadata.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
filename : string or open file handle
|
||||
Input WAV file.
|
||||
|
||||
References
|
||||
----------
|
||||
.. [1] IBM Corporation and Microsoft Corporation, "Multimedia Programming
|
||||
Interface and Data Specifications 1.0", section "Data Format of the
|
||||
Samples", August 1991
|
||||
http://www.tactilemedia.com/info/MCI_Control_Info.html
|
||||
.. [2] Adobe Systems Incorporated, "Adobe Audition 3 User Guide", section
|
||||
"Audio file formats: 24-bit Packed Int (type 1, 20-bit)", 2007
|
||||
"""
|
||||
if hasattr(filename, "read"):
|
||||
fid = filename
|
||||
else:
|
||||
fid = open(filename, "rb")
|
||||
|
||||
try:
|
||||
file_size, is_big_endian = _read_riff_chunk(fid)
|
||||
while fid.tell() < file_size:
|
||||
# read the next chunk
|
||||
chunk_id = fid.read(4)
|
||||
|
||||
if not chunk_id:
|
||||
raise ValueError("Unexpected end of file.")
|
||||
elif len(chunk_id) < 4:
|
||||
msg = f"Incomplete chunk ID: {repr(chunk_id)}"
|
||||
raise ValueError(msg)
|
||||
|
||||
if chunk_id == b"fmt ":
|
||||
fmt_chunk = _read_fmt_chunk(fid, is_big_endian)
|
||||
break
|
||||
else:
|
||||
_skip_unknown_chunk(fid, is_big_endian)
|
||||
finally:
|
||||
if not hasattr(filename, "read"):
|
||||
fid.close()
|
||||
else:
|
||||
fid.seek(0)
|
||||
|
||||
return fmt_chunk
|
||||
Ładowanie…
Reference in New Issue