def test_run_from_stream():
url = "tests/assets/testaudio-1m.mp3"
sample_fmt = "s16"
out_codec, container = utils.get_audio_codec(sample_fmt)
with open(url, "rb") as f:
args = {
"inputs": [("-", {
"f": "mp3"
})],
"outputs": [("-", {
"f": container,
"c:a": out_codec,
"sample_fmt": sample_fmt
})],
}
out = ffmpegprocess.run(args, capture_log=True, stdin=f)
print(f"FFmpeg output: {len(out.stdout)} bytes")
print(out.stderr)
def test_run_progress():
url = "tests/assets/testaudio-1m.mp3"
sample_fmt = "s16"
out_codec, container = utils.get_audio_codec(sample_fmt)
def progress(*args):
print(args)
return False
with open(url, "rb") as f:
args = {
"inputs": [("-", {
"f": "mp3"
})],
"outputs": [("-", {
"f": container,
"c:a": out_codec,
"sample_fmt": sample_fmt
})],
}
ffmpegprocess.run(args, capture_log=True, progress=progress, stdin=f)
def test_popen():
url = "tests/assets/testaudio-1m.mp3"
sample_fmt = "s16"
out_codec, container = utils.get_audio_codec(sample_fmt)
with open(url, "rb") as f:
args = {
"inputs": [("-", {
"f": "mp3"
})],
"outputs": [("-", {
"f": container,
"c:a": out_codec,
"sample_fmt": sample_fmt
})],
}
proc = ffmpegprocess.Popen(args, capture_log=True, stdin=f)
x = proc.stdout.read()
if proc.wait(50) is None:
print("ffmpeg not stopping")
proc.kill()
print(f"FFmpeg output: {len(x)} samples")
from ffmpegio import utils, audio, streams
import PyQt5
from matplotlib import pyplot as plt
# import logging
# logging.basicConfig(level=logging.DEBUG)
url = "tests/assets/testaudio-1m.mp3"
sample_fmt = "s16"
ac = 1
out_codec, container = utils.get_audio_codec(sample_fmt)
dtype, shape = utils.get_audio_format(sample_fmt, ac)
fs, s = audio.read(url, sample_fmt=sample_fmt, ac=1)
N = s.shape[0]
print(f"N={N}")
nread = 10000
T = nread / fs
# read random
reader = streams.SimpleAudioReader(url)
# while True:
# x = reader.read(int(fs))
# if x is None or not x.size:
# break
# print(x.shape)
for x in reader.readiter(int(fs)):
def test_get_audio_codec():
cfg = utils.get_audio_codec("s16")
assert cfg[0] == "pcm_s16le" and cfg[1] == "s16le"