On 27/01/2023 14:59, Wade Fife wrote:
Apologies, I meant to say the fix is for UHD-4.3, not 3.0.

Wade
Yeah, I figured that out immediately :)



On Fri, Jan 27, 2023 at 1:52 PM Wade Fife <wade.f...@ettus.com> wrote:

    Hi Uri,

    Thanks for reporting this! You are correct. Here's a patch for
    UHD-3.0 (see below) to fix it until we get a permanent solution in
    UHD. The record was working correctly, but it was replaying the
    same buffer in memory for all channels.

    Thanks,

    Wade


    diff --git a/host/examples/python/replay_capture.py
    b/host/examples/python/replay_capture.py
    index c540c3034..02f582d2b 100755
    --- a/host/examples/python/replay_capture.py
    +++ b/host/examples/python/replay_capture.py
    @@ -175,9 +175,10 @@ def run_capture(graph, replay,
    radio_chan_pairs, num_samps, rate,
         )
         num_samps = num_bytes // 4
         num_ports = len(radio_chan_pairs)
    -    ## Arm replay block for recording
    +    ## Arm replay block for recording and set playback region
         for idx in range(len(radio_chan_pairs)):
             replay.record(idx * mem_stride, num_bytes, idx)
    +        replay.config_play(idx * mem_stride, num_bytes, idx)
         ## Send stream command to all radios
         # This 'rate ratio' would be better handled by RFNoC. If the
    replay block
         # were to submit the stream command to the radio, this would
    not be necessary.


    On Wed, Jan 25, 2023 at 6:37 PM Marcus D. Leech
    <patchvonbr...@gmail.com> wrote:

        On 25/01/2023 16:16, Uri M wrote:

        Hi all,

        I'm running into some trouble with the replay_capture.py
        example. When I try to use multiple channels, I keep getting
        the same samples in all of them.

        I've tried all the file file format options.

        Note that the samples of channel 1 are good.

        If anyone has any ideas, I'd really appreciate the help.

        Thanks!

        -Uri


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        What radio did you use it with, and what arguments did you supply?


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