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[107.146.107.67]) by smtp.gmail.com with ESMTPSA id ada2fe7eead31-493d95f313csm377007137.7.2024.07.25.14.36.28 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jul 2024 14:36:29 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v4 2/3] client/player: Add support to enter alternative preset Date: Thu, 25 Jul 2024 17:36:25 -0400 Message-ID: <20240725213626.3183962-2-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240725213626.3183962-1-luiz.dentz@gmail.com> References: <20240725213626.3183962-1-luiz.dentz@gmail.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz This adds support for alternative preset to be entered so when auto accepting configuration a different preset can be selected following the order given to endpoint.presets. --- client/player.c | 120 ++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 101 insertions(+), 19 deletions(-) diff --git a/client/player.c b/client/player.c index 9334a053d34d..3c3587f2ca3a 100644 --- a/client/player.c +++ b/client/player.c @@ -1230,7 +1230,10 @@ struct codec_preset { const struct iovec data; struct bt_bap_qos qos; uint8_t target_latency; + uint32_t chan_alloc; bool custom; + bool alt; + struct codec_preset *alt_preset; }; #define SBC_PRESET(_name, _data) \ @@ -1969,12 +1972,31 @@ static int parse_chan_alloc(DBusMessageIter *iter, uint32_t *location, if (*channels) *channels = __builtin_popcount(*location); return 0; + } else if (!strcasecmp(key, "Locations")) { + uint32_t tmp; + + if (var != DBUS_TYPE_UINT32) + return -EINVAL; + + dbus_message_iter_get_basic(&value, &tmp); + *location &= tmp; + + if (*channels) + *channels = __builtin_popcount(*location); } dbus_message_iter_next(iter); } - return -EINVAL; + return *location ? 0 : -EINVAL; +} + +static void ltv_find(size_t i, uint8_t l, uint8_t t, uint8_t *v, + void *user_data) +{ + bool *found = user_data; + + *found = true; } static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, @@ -1985,7 +2007,7 @@ static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, DBusMessageIter iter, props; struct endpoint_config *cfg; struct bt_bap_io_qos *qos; - uint32_t location = 0; + uint32_t location = ep->locations; uint8_t channels = 1; if (!preset) @@ -2006,13 +2028,44 @@ static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, dbus_message_iter_recurse(&iter, &props); if (!parse_chan_alloc(&props, &location, &channels)) { - uint8_t chan_alloc_ltv[] = { - 0x05, LC3_CONFIG_CHAN_ALLOC, location & 0xff, - location >> 8, location >> 16, location >> 24 - }; + uint32_t chan_alloc = 0; + uint8_t type = LC3_CONFIG_CHAN_ALLOC; + bool found = false; - util_iov_append(cfg->caps, &chan_alloc_ltv, + if (preset->chan_alloc & location) + chan_alloc = preset->chan_alloc & location; + else if (preset->alt_preset && + preset->alt_preset->chan_alloc & + location) { + chan_alloc = preset->alt_preset->chan_alloc & location; + preset = preset->alt_preset; + + /* Copy alternate capabilities */ + util_iov_free(cfg->caps, 1); + cfg->caps = util_iov_dup(&preset->data, 1); + cfg->target_latency = preset->target_latency; + } else + chan_alloc = location; + + /* Check if Channel Allocation is present in caps */ + util_ltv_foreach(cfg->caps->iov_base, cfg->caps->iov_len, + &type, ltv_find, &found); + + /* If Channel Allocation has not been set directly via + * preset->data then attempt to set it if chan_alloc has been + * set. + */ + if (!found && chan_alloc) { + uint8_t chan_alloc_ltv[] = { + 0x05, LC3_CONFIG_CHAN_ALLOC, chan_alloc & 0xff, + chan_alloc >> 8, chan_alloc >> 16, + chan_alloc >> 24 + }; + + put_le32(chan_alloc, &chan_alloc_ltv[2]); + util_iov_append(cfg->caps, &chan_alloc_ltv, sizeof(chan_alloc_ltv)); + } } /* Copy metadata */ @@ -2035,6 +2088,8 @@ static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, dbus_message_iter_init_append(reply, &iter); + bt_shell_printf("selecting %s...\n", preset->name); + append_properties(&iter, cfg); free(cfg); @@ -2098,8 +2153,6 @@ static DBusMessage *endpoint_select_properties(DBusConnection *conn, if (!reply) return NULL; - bt_shell_printf("Auto Accepting using %s...\n", p->name); - return reply; } @@ -3621,14 +3674,6 @@ add_meta: endpoint_set_metadata_cfg, cfg); } -static void ltv_find(size_t i, uint8_t l, uint8_t t, uint8_t *v, - void *user_data) -{ - bool *found = user_data; - - *found = true; -} - static void config_endpoint_iso_group(const char *input, void *user_data) { struct endpoint_config *cfg = user_data; @@ -4106,13 +4151,38 @@ static void print_presets(struct preset *preset) for (i = 0; i < preset->num_presets; i++) { p = &preset->presets[i]; - bt_shell_printf("%s%s\n", p == preset->default_preset ? - "*" : "", p->name); + + if (p == preset->default_preset) + bt_shell_printf("*%s\n", p->name); + else if (preset->default_preset && + p == preset->default_preset->alt_preset) + bt_shell_printf("**%s\n", p->name); + else + bt_shell_printf("%s\n", p->name); } queue_foreach(preset->custom, foreach_custom_preset_print, preset); } +static void custom_chan_alloc(const char *input, void *user_data) +{ + struct codec_preset *p = user_data; + char *endptr = NULL; + + p->chan_alloc = strtol(input, &endptr, 0); + if (!endptr || *endptr != '\0') { + bt_shell_printf("Invalid argument: %s\n", input); + return bt_shell_noninteractive_quit(EXIT_FAILURE); + } + + if (p->alt_preset) + bt_shell_prompt_input(p->alt_preset->name, + "Enter Channel Allocation: ", + custom_chan_alloc, p->alt_preset); + else + return bt_shell_noninteractive_quit(EXIT_SUCCESS); +} + static void cmd_presets_endpoint(int argc, char *argv[]) { struct preset *preset; @@ -4133,8 +4203,20 @@ static void cmd_presets_endpoint(int argc, char *argv[]) preset->default_preset = default_preset; if (argc > 4) { + struct codec_preset *alt_preset; struct iovec *iov = (void *)&default_preset->data; + /* Check if and alternative preset was given */ + alt_preset = preset_find_name(preset, argv[4]); + if (alt_preset) { + default_preset->alt_preset = alt_preset; + bt_shell_prompt_input(default_preset->name, + "Enter Channel Allocation: ", + custom_chan_alloc, + default_preset); + return; + } + iov->iov_base = str2bytearray(argv[4], &iov->iov_len); if (!iov->iov_base) { bt_shell_printf("Invalid configuration %s\n",