Instead of writing e g "0" and "1", one can now write "FL" and "FR" instead.
E g: ttable.0.FL 1 ttable.1.FR 1 ttable.2.LFE 1
Signed-off-by: David Henningsson david.henningsson@canonical.com --- src/pcm/pcm_route.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/src/pcm/pcm_route.c b/src/pcm/pcm_route.c index 2beedf6..ffc283f 100644 --- a/src/pcm/pcm_route.c +++ b/src/pcm/pcm_route.c @@ -789,6 +789,24 @@ static void snd_pcm_route_dump(snd_pcm_t *pcm, snd_output_t *out) snd_pcm_dump(route->plug.gen.slave, out); }
+static int safe_chmapchannel(const char *id, long *channel) +{ + int err; + int ch; + err = safe_strtol(id, channel); + if (err >= 0) + return err; + + ch = (int) snd_pcm_chmap_from_string(id); + if (ch == -1) + return -EINVAL; + + /* For now, assume standard channel mapping */ + *channel = ch - SND_CHMAP_FL; + return 0; +} + + static const snd_pcm_ops_t snd_pcm_route_ops = { .close = snd_pcm_route_close, .info = snd_pcm_generic_info, @@ -983,7 +1001,7 @@ int snd_pcm_route_determine_ttable(snd_config_t *tt, const char *id; if (snd_config_get_id(jnode, &id) < 0) continue; - err = safe_strtol(id, &schannel); + err = safe_chmapchannel(id, &schannel); if (err < 0) { SNDERR("Invalid slave channel: %s", id); return -EINVAL; @@ -1046,7 +1064,7 @@ int snd_pcm_route_load_ttable(snd_config_t *tt, snd_pcm_route_ttable_entry_t *tt const char *id; if (snd_config_get_id(jnode, &id) < 0) continue; - err = safe_strtol(id, &schannel); + err = safe_chmapchannel(id, &schannel); if (err < 0 || schannel < 0 || (unsigned int) schannel > tt_ssize || (schannels > 0 && schannel >= schannels)) {