示例#1
0
def numpy_array_to_gst_buffer(frames, chunk_size, num_samples, sample_rate):
    from gst import Buffer
    """ gstreamer buffer to numpy array conversion """
    buf = Buffer(getbuffer(frames.astype("float32")))
    #Set its timestamp and duration
    buf.timestamp = gst.util_uint64_scale(num_samples, gst.SECOND, sample_rate)
    buf.duration = gst.util_uint64_scale(chunk_size, gst.SECOND, sample_rate)
    return buf
示例#2
0
def numpy_array_to_gst_buffer(frames, chunk_size, num_samples, sample_rate):
    from gst import Buffer
    """ gstreamer buffer to numpy array conversion """
    buf = Buffer(getbuffer(frames.astype("float32")))
    # Set its timestamp and duration
    buf.timestamp = gst.util_uint64_scale(num_samples, gst.SECOND, sample_rate)
    buf.duration = gst.util_uint64_scale(chunk_size, gst.SECOND, sample_rate)
    return buf
示例#3
0
def numpy_array_to_gst_buffer(frames, CHUNK_SIZE, num_samples, SAMPLE_RATE):
    from gst import Buffer

    """ gstreamer buffer to numpy array conversion """
    buf = Buffer(getbuffer(frames.astype("float32")))
    # Set its timestamp and duration
    buf.timestamp = gst.util_uint64_scale(num_samples, gst.SECOND, SAMPLE_RATE)
    buf.duration = gst.util_uint64_scale(CHUNK_SIZE, gst.SECOND, SAMPLE_RATE)

    return buf