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wangjiyu 2025-04-15 11:38:23 +08:00
parent c0330e46fd
commit 3d51fe5610
1 changed files with 15 additions and 2 deletions
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17
test_time_r.py
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@ -1,6 +1,9 @@
import rtc_plugins import rtc_plugins
import time import time
import numpy as np import numpy as np
import mmap
import os
from ctypes import c_int16
srcUserId = "srcUser12" srcUserId = "srcUser12"
destUserId = "destUser12" destUserId = "destUser12"
@ -12,9 +15,19 @@ srcRoomId = "srcRoom12"
destRoomId = srcRoomId destRoomId = srcRoomId
srcChannelIndex = 46 srcChannelIndex = 46
destChannelIndex = 47 destChannelIndex = 47
def my_callback(npData, dataSize, dataCount, sampleRate, numChannels, channelIndex): def my_callback(shmName, dataSize, dataCount, sampleRate, numChannels, channelIndex):
print(f"dataSize:{dataSize}, dataCount:{dataCount}, sampleRate:{sampleRate}, numChannels:{numChannels}, channelIndex:{channelIndex}") print(f"dataSize:{dataSize}, dataCount:{dataCount}, sampleRate:{sampleRate}, numChannels:{numChannels}, channelIndex:{channelIndex}")
print(npData) print(shmName)
fd = os.open(shmName, os.O_RDONLY)
if fd == -1:
raise RuntimeError(f"无法打开共享内存 {shmName}")
# 2. 创建内存映射
shm = mmap.mmap(fd, dataSize, mmap.MAP_SHARED, mmap.PROT_READ)
# 3. 转换为numpy数组 (零拷贝)
audio_data = np.frombuffer(shm, dtype=c_int16, count=dataCount)
print(f" 前5个采样点: {audio_data[:5]}")
#audioData = np.array([0, 1, -1, 0], dtype=np.int16) #audioData = np.array([0, 1, -1, 0], dtype=np.int16)
#ret = rtc_plugins.sendCustomAudioData(srcChannelIndex, audioData, 48000, 1, len(audioData)) #ret = rtc_plugins.sendCustomAudioData(srcChannelIndex, audioData, 48000, 1, len(audioData))
#if ret != 0: #if ret != 0: