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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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ddad63a23c
While codec switching for HFP is not implemented, show current codec via messaging api. Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/507>
141 lines
4 KiB
C
141 lines
4 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2019 Pali Rohár <pali.rohar@gmail.com>
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <pulsecore/core.h>
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#include <pulsecore/core-util.h>
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#if defined(HAVE_GSTAPTX) || defined(HAVE_GSTLDAC)
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#include <gst/gst.h>
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#endif
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#include "a2dp-codec-util.h"
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extern const pa_a2dp_codec pa_bt_codec_msbc;
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extern const pa_a2dp_codec pa_bt_codec_cvsd;
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/* List of HSP/HFP codecs.
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*/
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static const pa_a2dp_codec *pa_hf_codecs[] = {
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&pa_bt_codec_cvsd,
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&pa_bt_codec_msbc,
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};
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extern const pa_a2dp_codec pa_a2dp_codec_sbc;
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extern const pa_a2dp_codec pa_a2dp_codec_sbc_xq_453;
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extern const pa_a2dp_codec pa_a2dp_codec_sbc_xq_512;
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extern const pa_a2dp_codec pa_a2dp_codec_sbc_xq_552;
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#ifdef HAVE_GSTAPTX
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extern const pa_a2dp_codec pa_a2dp_codec_aptx;
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extern const pa_a2dp_codec pa_a2dp_codec_aptx_hd;
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#endif
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#ifdef HAVE_GSTLDAC
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extern const pa_a2dp_codec pa_a2dp_codec_ldac_eqmid_hq;
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extern const pa_a2dp_codec pa_a2dp_codec_ldac_eqmid_sq;
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extern const pa_a2dp_codec pa_a2dp_codec_ldac_eqmid_mq;
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#endif
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/* This is list of supported codecs. Their order is important.
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* Codec with lower index has higher priority. */
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static const pa_a2dp_codec *pa_a2dp_codecs[] = {
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#ifdef HAVE_GSTLDAC
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&pa_a2dp_codec_ldac_eqmid_hq,
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&pa_a2dp_codec_ldac_eqmid_sq,
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&pa_a2dp_codec_ldac_eqmid_mq,
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#endif
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#ifdef HAVE_GSTAPTX
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&pa_a2dp_codec_aptx_hd,
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&pa_a2dp_codec_aptx,
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#endif
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&pa_a2dp_codec_sbc,
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&pa_a2dp_codec_sbc_xq_453,
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&pa_a2dp_codec_sbc_xq_512,
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&pa_a2dp_codec_sbc_xq_552,
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};
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unsigned int pa_bluetooth_a2dp_codec_count(void) {
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return PA_ELEMENTSOF(pa_a2dp_codecs);
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}
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const pa_a2dp_codec *pa_bluetooth_a2dp_codec_iter(unsigned int i) {
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pa_assert(i < pa_bluetooth_a2dp_codec_count());
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return pa_a2dp_codecs[i];
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}
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unsigned int pa_bluetooth_hf_codec_count(void) {
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return PA_ELEMENTSOF(pa_hf_codecs);
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}
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const pa_a2dp_codec *pa_bluetooth_hf_codec_iter(unsigned int i) {
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pa_assert(i < pa_bluetooth_hf_codec_count());
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return pa_hf_codecs[i];
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}
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const pa_a2dp_codec *pa_bluetooth_get_hf_codec(const char *name) {
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unsigned int i;
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for (i = 0; i < PA_ELEMENTSOF(pa_hf_codecs); ++i) {
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if (pa_streq(pa_hf_codecs[i]->name, name))
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return pa_hf_codecs[i];
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}
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return NULL;
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}
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const pa_a2dp_codec *pa_bluetooth_get_a2dp_codec(const char *name) {
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unsigned int i;
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unsigned int count = pa_bluetooth_a2dp_codec_count();
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for (i = 0; i < count; i++) {
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if (pa_streq(pa_a2dp_codecs[i]->name, name))
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return pa_a2dp_codecs[i];
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}
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return NULL;
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}
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void pa_bluetooth_a2dp_codec_gst_init(void) {
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#if defined(HAVE_GSTAPTX) || defined(HAVE_GSTLDAC)
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GError *error = NULL;
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if (!gst_init_check(NULL, NULL, &error)) {
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pa_log_error("Could not initialise GStreamer: %s", error->message);
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g_error_free(error);
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return;
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}
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pa_log_info("GStreamer initialisation done");
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#endif
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}
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bool pa_bluetooth_a2dp_codec_is_available(const pa_a2dp_codec_id *id, bool is_a2dp_sink) {
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unsigned int i;
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unsigned int count = pa_bluetooth_a2dp_codec_count();
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const pa_a2dp_codec *a2dp_codec;
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for (i = 0; i < count; i++) {
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a2dp_codec = pa_bluetooth_a2dp_codec_iter(i);
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if (memcmp(id, &a2dp_codec->id, sizeof(pa_a2dp_codec_id)) == 0
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&& a2dp_codec->can_be_supported(is_a2dp_sink))
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return true;
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}
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return false;
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}
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