On 5/21/21 3:10 PM, Arve Barsnes wrote:
On Fri, 21 May 2021 at 22:47, Mark Knecht <markkne...@gmail.com> wrote:
On Thu, May 20, 2021 at 2:35 AM Arve Barsnes <arve.bars...@gmail.com> wrote:
Resending this message, as the last time it was derailed by a question
about DE and pulseaudio, neither of which are relevant to this
low-level problem (and also not installed anyway, as I run a simple
openbox WM with alsa only).
I'm very sorry that when you asked this question a month ago you didn't
like my answer. It was never my intention to 'derail' your question with DE or
pulseaudio. That said no one else has answered that question nor have they
responded to this one that you posted yesterday. I think you are in a fairly
unique setup that most people don't deal with but it is an interesting area.
I'd still like to help if I can.
Maybe derailed was a little harsh. I was appreciative of your answer
either way, as I might have left out some necessary information to
make you ask about those things. This is still very low level as far
as I understand it, so I'm not completely sure how to ask about what
I'm wondering :)
To start please run the following command and let's see what ALSA tells us:
cat /proc/asound/card*/eld#0.*
There was 16 of these entries, /proc/asound/card1/eld#0.4 was my Acer
monitor which I managed to get sound through with my command:
aplay -D plughw:1,7 sample.wav
Most of the others simply showed:
monitor_present 0
eld_valid 0
The connected TV was here:
# cat /proc/asound/card1/eld#0.0
monitor_present 1
eld_valid 1
monitor_name TOSHIBA-TV
connection_type HDMI
eld_version [0x2] CEA-861D or below
edid_version [0x3] CEA-861-B, C or D
manufacture_id 0x6252
product_id 0x108
port_id 0x400
support_hdcp 0
support_ai 0
audio_sync_delay 62
speakers [0xffff] FL/FR LFE FC RL/RR RC FLC/FRC RLC/RRC
FLW/FRW FLH/FRH TC FCH
sad_count 2
sad0_coding_type [0x1] LPCM
sad0_channels 2
sad0_rates [0xe0] 32000 44100 48000
sad0_bits [0xe0000] 16 20 24
sad1_coding_type [0x2] AC-3
sad1_channels 6
sad1_rates [0xe0] 32000 44100 48000
sad1_max_bitrate 640000
All of this is quite cryptic to me, so if you can glean any useful
information from it that would be great. The monitor output is fairly
similar if you exclude the sad1*-lines at the end, the most prominent
difference being the speakers line, which only listed '[0x1] FL/FR'
Regards,
Arve
Hello Arve,
I don't know if this will help but found a post with similar problem
with getting sound out of HDMI with Toshiba-TV. It was using a
raspberry pi so may not be any use to you but you may be able to find
something that will point you in the right direction.
https://www.raspberrypi.org/forums/viewtopic.php?t=62155
https://github.com/raspberrypi/firmware/commit/47bd0f0f46bc053d8e21655e3a69c4a73ae19b41
firmware: [hdmi] Work around an issue with Toshiba TV
See: http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=62155
Regards,
Eric
