Return-Path: From: Prasad Bhat To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 1/6] Initial VDP implementation Date: Tue, 16 Aug 2011 19:13:53 +0530 Message-Id: <1313502238-7581-1-git-send-email-prasadbhat22@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: --- Makefile.am | 1 + audio/vdp.c | 2026 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ audio/vdp.h | 112 ++++ 3 files changed, 2139 insertions(+), 0 deletions(-) create mode 100644 audio/vdp.c create mode 100644 audio/vdp.h diff --git a/Makefile.am b/Makefile.am index 3c8ab40..f1c9003 100644 --- a/Makefile.am +++ b/Makefile.am @@ -141,6 +141,7 @@ builtin_sources += audio/main.c \ audio/source.h audio/source.c \ audio/sink.h audio/sink.c \ audio/a2dp.h audio/a2dp.c \ + audio/vdp.h audio/vdp.c \ audio/avdtp.h audio/avdtp.c \ audio/ipc.h audio/ipc.c \ audio/unix.h audio/unix.c \ diff --git a/audio/vdp.c b/audio/vdp.c new file mode 100644 index 0000000..58db8ba --- /dev/null +++ b/audio/vdp.c @@ -0,0 +1,2026 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2006-2010 Nokia Corporation + * Copyright (C) 2004-2010 Marcel Holtmann + * Copyright (C) 2011 Prasad Bhat + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include +#include + +#include +#include +#include + +#include "log.h" +#include "device.h" +#include "manager.h" +#include "avdtp.h" +#include "video-sink.h" +#include "video-source.h" +#include "unix.h" +#include "media.h" +#include "vdp.h" +#include "sdpd.h" + +#define RECONFIGURE_TIMEOUT 500 +#define SUSPEND_TIMEOUT 5 + +struct vdp_sep { + struct vdp_server *server; + struct vdp_endpoint *endpoint; + uint8_t type; + uint8_t codec; + struct avdtp_local_sep *lsep; + struct avdtp *session; + struct avdtp_stream *stream; + guint suspend_timer; + gboolean delay_reporting; + gboolean locked; + gboolean suspending; + gboolean starting; + void *user_data; + GDestroyNotify destroy; +}; + +struct vdp_setup_cb { + struct vdp_setup *setup; + vdp_select_cb_t select_cb; + vdp_config_cb_t config_cb; + vdp_stream_cb_t resume_cb; + vdp_stream_cb_t suspend_cb; + guint source_id; + void *user_data; + unsigned int id; +}; + +struct vdp_setup { + struct audio_device *dev; + struct avdtp *session; + struct vdp_sep *sep; + struct avdtp_remote_sep *rsep; + struct avdtp_stream *stream; + struct avdtp_error *err; + avdtp_set_configuration_cb setconf_cb; + GSList *caps; + gboolean reconfigure; + gboolean start; + GSList *cb; + int ref; +}; + +static DBusConnection *connection = NULL; + +struct vdp_server { + bdaddr_t src; + GSList *sinks; + GSList *sources; + uint32_t source_record_id; + uint32_t sink_record_id; + uint16_t version; + gboolean sink_enabled; + gboolean source_enabled; +}; + +static GSList *servers = NULL; +static GSList *setups = NULL; +static unsigned int cb_id = 0; + +static struct vdp_setup *setup_ref(struct vdp_setup *setup) +{ + setup->ref++; + + DBG("%p: ref=%d", setup, setup->ref); + + return setup; +} + +static struct audio_device *vdp_get_dev(struct avdtp *session) +{ + bdaddr_t src, dst; + + avdtp_get_peers(session, &src, &dst); + + return manager_find_device(NULL, &src, &dst, NULL, FALSE); +} + +static struct vdp_setup *setup_new(struct avdtp *session) +{ + struct audio_device *dev; + struct vdp_setup *setup; + + dev = vdp_get_dev(session); + if (!dev) { + error("Unable to create setup"); + return NULL; + } + + setup = g_new0(struct vdp_setup, 1); + setup->session = avdtp_ref(session); + setup->dev = vdp_get_dev(session); + setups = g_slist_append(setups, setup); + + return setup; +} + +static void setup_free(struct vdp_setup *s) +{ + DBG("%p", s); + + setups = g_slist_remove(setups, s); + if (s->session) + avdtp_unref(s->session); + g_slist_foreach(s->cb, (GFunc) g_free, NULL); + g_slist_free(s->cb); + g_slist_foreach(s->caps, (GFunc) g_free, NULL); + g_slist_free(s->caps); + g_free(s); +} + +static void setup_unref(struct vdp_setup *setup) +{ + setup->ref--; + + DBG("%p: ref=%d", setup, setup->ref); + + if (setup->ref > 0) + return; + + setup_free(setup); +} + +static struct vdp_setup_cb *setup_cb_new(struct vdp_setup *setup) +{ + struct vdp_setup_cb *cb; + + cb = g_new0(struct vdp_setup_cb, 1); + cb->setup = setup; + cb->id = ++cb_id; + + setup->cb = g_slist_append(setup->cb, cb); + return cb; +} + +static void setup_cb_free(struct vdp_setup_cb *cb) +{ + struct vdp_setup *setup = cb->setup; + + DBG(""); + + if (cb->source_id) + g_source_remove(cb->source_id); + + setup->cb = g_slist_remove(setup->cb, cb); + setup_unref(cb->setup); + g_free(cb); +} + +static void finalize_setup_errno(struct vdp_setup *s, int err, + GSourceFunc cb1, ...) +{ + GSourceFunc finalize; + va_list args; + struct avdtp_error avdtp_err; + + DBG(""); + + if (err < 0) { + avdtp_error_init(&avdtp_err, AVDTP_ERRNO, -err); + s->err = &avdtp_err; + } + + va_start(args, cb1); + finalize = cb1; + setup_ref(s); + while (finalize != NULL) { + finalize(s); + finalize = va_arg(args, GSourceFunc); + } + setup_unref(s); + va_end(args); +} + +static gboolean finalize_config(gpointer data) +{ + struct vdp_setup *s = data; + GSList *l; + struct avdtp_stream *stream = s->err ? NULL : s->stream; + + DBG(""); + + for (l = s->cb; l != NULL; ) { + struct vdp_setup_cb *cb = l->data; + + l = l->next; + + if (!cb->config_cb) + continue; + + cb->config_cb(s->session, s->sep, stream, s->err, + cb->user_data); + setup_cb_free(cb); + } + + return FALSE; +} + +static gboolean finalize_resume(gpointer data) +{ + struct vdp_setup *s = data; + GSList *l; + + DBG(""); + + for (l = s->cb; l != NULL; ) { + struct vdp_setup_cb *cb = l->data; + + l = l->next; + + if (!cb->resume_cb) + continue; + + cb->resume_cb(s->session, s->err, cb->user_data); + setup_cb_free(cb); + } + + return FALSE; +} + +static gboolean finalize_suspend(gpointer data) +{ + struct vdp_setup *s = data; + GSList *l; + + DBG(""); + + for (l = s->cb; l != NULL; ) { + struct vdp_setup_cb *cb = l->data; + + l = l->next; + + if (!cb->suspend_cb) + continue; + + cb->suspend_cb(s->session, s->err, cb->user_data); + setup_cb_free(cb); + } + + return FALSE; +} + +static void finalize_select(struct vdp_setup *s) +{ + GSList *l; + + DBG(""); + + for (l = s->cb; l != NULL; ) { + struct vdp_setup_cb *cb = l->data; + + l = l->next; + + if (!cb->select_cb) + continue; + + cb->select_cb(s->session, s->sep, s->caps, cb->user_data); + setup_cb_free(cb); + } +} + +static struct vdp_setup *find_setup_by_session(struct avdtp *session) +{ + GSList *l; + + for (l = setups; l != NULL; l = l->next) { + struct vdp_setup *setup = l->data; + + if (setup->session == session) + return setup; + } + + return NULL; +} + +static struct vdp_setup *vdp_setup_get(struct avdtp *session) +{ + struct vdp_setup *setup; + + setup = find_setup_by_session(session); + if (!setup) { + setup = setup_new(session); + if (!setup) + return NULL; + } + + return setup_ref(setup); +} + +static struct vdp_setup *find_setup_by_dev(struct audio_device *dev) +{ + GSList *l; + + for (l = setups; l != NULL; l = l->next) { + struct vdp_setup *setup = l->data; + + if (setup->dev == dev) + return setup; + } + + return NULL; +} + +static void stream_state_changed(struct avdtp_stream *stream, + avdtp_state_t old_state, + avdtp_state_t new_state, + struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *sep = user_data; + + if (new_state != AVDTP_STATE_IDLE) + return; + + if (sep->suspend_timer) { + g_source_remove(sep->suspend_timer); + sep->suspend_timer = 0; + } + + if (sep->session) { + avdtp_unref(sep->session); + sep->session = NULL; + } + + sep->stream = NULL; + + if (sep->endpoint && sep->endpoint->clear_configuration) + sep->endpoint->clear_configuration(sep, sep->user_data); +} + +static gboolean auto_config(gpointer data) +{ + struct vdp_setup *setup = data; + struct avdtp_error *err = NULL; + + DBG(""); + + /* Check if configuration was aborted */ + if (setup->sep->stream == NULL) + return FALSE; + + if (setup->err != NULL) { + err = setup->err; + goto done; + } + + avdtp_stream_add_cb(setup->session, setup->stream, + stream_state_changed, setup->sep); + +done: + if (setup->setconf_cb) + setup->setconf_cb(setup->session, setup->stream, setup->err); + + finalize_config(setup); + + if (err) + g_free(err); + + setup_unref(setup); + + return FALSE; +} + +static struct vdp_server *find_server(GSList *list, const bdaddr_t *src) +{ + + for (; list; list = list->next) { + struct vdp_server *server = list->data; + + if (bacmp(&server->src, src) == 0) + return server; + } + DBG("find server no server found"); + return NULL; +} + +gboolean vdp_sep_get_lock(struct vdp_sep *sep) +{ + return sep->locked; +} + +static void endpoint_open_cb(struct vdp_sep *sep, guint setup_id, + gboolean ret) +{ + struct vdp_setup *setup = GUINT_TO_POINTER(setup_id); + int err; + + if (ret == FALSE) { + setup->stream = NULL; + finalize_setup_errno(setup, -EPERM, finalize_config, NULL); + return; + } + + err = avdtp_open(setup->session, setup->stream); + if (err == 0) + return; + + error("Error on avdtp_open %s (%d)", strerror(-err), -err); + setup->stream = NULL; + finalize_setup_errno(setup, err, finalize_config, NULL); +} + +unsigned int vdp_config(struct avdtp *session, struct vdp_sep *sep, + vdp_config_cb_t cb, GSList *caps, + void *user_data) +{ + struct vdp_setup_cb *cb_data; + GSList *l; + struct vdp_server *server; + struct vdp_setup *setup; + struct vdp_sep *tmp; + struct avdtp_service_capability *cap; + struct avdtp_media_codec_capability *codec_cap = NULL; + int posix_err; + bdaddr_t src; + + DBG(""); + + avdtp_get_peers(session, &src, NULL); + server = find_server(servers, &src); + if (!server) + return 0; + + for (l = caps; l != NULL; l = l->next) { + cap = l->data; + + if (cap->category != AVDTP_MEDIA_CODEC) + continue; + + codec_cap = (void *) cap->data; + break; + } + + if (!codec_cap) + return 0; + + if (sep->codec != codec_cap->media_codec_type) + return 0; + + DBG("vdp_config: selected SEP %p", sep->lsep); + + setup = vdp_setup_get(session); + if (!setup) + return 0; + + cb_data = setup_cb_new(setup); + cb_data->config_cb = cb; + cb_data->user_data = user_data; + + setup->sep = sep; + setup->stream = sep->stream; + + /* Copy given caps if they are different than current caps */ + if (setup->caps != caps) { + g_slist_foreach(setup->caps, (GFunc) g_free, NULL); + g_slist_free(setup->caps); + setup->caps = g_slist_copy(caps); + } + + switch (avdtp_sep_get_state(sep->lsep)) { + case AVDTP_STATE_IDLE: + if (sep->type == AVDTP_SEP_TYPE_SOURCE) + l = server->sources; + else + l = server->sinks; + + for (; l != NULL; l = l->next) { + tmp = l->data; + if (avdtp_has_stream(session, tmp->stream)) + break; + } + + if (l != NULL) { + if (vdp_sep_get_lock(tmp)) + goto failed; + setup->reconfigure = TRUE; + if (avdtp_close(session, tmp->stream, FALSE) < 0) { + error("avdtp_close failed"); + goto failed; + } + break; + } + + setup->rsep = avdtp_find_remote_sep(session, sep->lsep); + if (setup->rsep == NULL) { + error("No matching ACP and INT SEPs found"); + goto failed; + } + + posix_err = avdtp_set_configuration(session, setup->rsep, + sep->lsep, caps, + &setup->stream); + if (posix_err < 0) { + error("avdtp_set_configuration: %s", + strerror(-posix_err)); + goto failed; + } + break; + case AVDTP_STATE_OPEN: + case AVDTP_STATE_STREAMING: + if (avdtp_stream_has_capabilities(setup->stream, caps)) { + DBG("Configuration match: resuming"); + cb_data->source_id = g_idle_add(finalize_config, + setup); + } else if (!setup->reconfigure) { + setup->reconfigure = TRUE; + if (avdtp_close(session, sep->stream, FALSE) < 0) { + error("avdtp_close failed"); + goto failed; + } + } + break; + default: + error("SEP in bad state for requesting a new stream"); + goto failed; + } + + return cb_data->id; + +failed: + setup_cb_free(cb_data); + return 0; +} + +static struct vdp_sep *vdp_find_sep(struct avdtp *session, GSList *list, + const char *sender) +{ + for (; list; list = list->next) { + struct vdp_sep *sep = list->data; + + /* Use sender's endpoint if available */ + if (sender) { + const char *name; + + if (sep->endpoint == NULL) + continue; + + name = sep->endpoint->get_name(sep, sep->user_data); + if (g_strcmp0(sender, name) != 0) + continue; + } + + if (avdtp_find_remote_sep(session, sep->lsep) == NULL) + continue; + + return sep; + } + + return NULL; +} + + +static struct vdp_sep *vdp_select_sep(struct avdtp *session, uint8_t type, + const char *sender) +{ + struct vdp_server *server; + struct vdp_sep *sep; + GSList *l; + bdaddr_t src; + + avdtp_get_peers(session, &src, NULL); + server = find_server(servers, &src); + if (!server) + return NULL; + + l = type == AVDTP_SEP_TYPE_SINK ? server->sources : server->sinks; + + /* Check sender's seps first */ + sep = vdp_find_sep(session, l, sender); + if (sep != NULL) + return sep; + + return vdp_find_sep(session, l, NULL); +} + +static gboolean select_h263_params(struct h263_baseline_codec_cap *cap, + struct h263_baseline_codec_cap *supported) +{ + memset(cap, 0, sizeof(struct h263_baseline_codec_cap)); + + cap->cap.media_type = AVDTP_MEDIA_TYPE_VIDEO; + cap->cap.media_codec_type = VDP_CODEC_H263_BASELINE; + + if (supported->level & H263_LEVEL_10) + cap->level = H263_LEVEL_10; + else { + error("No supported level"); + return FALSE; + } + return TRUE; +} + +static gboolean select_capabilities(struct avdtp *session, + struct avdtp_remote_sep *rsep, + GSList **caps) +{ + struct avdtp_service_capability *media_transport, *media_codec; + struct h263_baseline_codec_cap h263_cap; + + media_codec = avdtp_get_codec(rsep); + if (!media_codec) + return FALSE; + + select_h263_params(&h263_cap, (struct h263_baseline_codec_cap *) media_codec->data); + + media_transport = avdtp_service_cap_new(AVDTP_MEDIA_TRANSPORT, + NULL, 0); + + *caps = g_slist_append(*caps, media_transport); + + media_codec = avdtp_service_cap_new(AVDTP_MEDIA_CODEC, &h263_cap, + sizeof(h263_cap)); + + *caps = g_slist_append(*caps, media_codec); + + if (avdtp_get_delay_reporting(rsep)) { + struct avdtp_service_capability *delay_reporting; + delay_reporting = avdtp_service_cap_new(AVDTP_DELAY_REPORTING, + NULL, 0); + *caps = g_slist_append(*caps, delay_reporting); + } + + return TRUE; +} + +static void select_cb(struct vdp_sep *sep, guint setup_id, void *ret, + int size) +{ + struct vdp_setup *setup = GUINT_TO_POINTER(setup_id); + struct avdtp_service_capability *media_transport, *media_codec; + struct avdtp_media_codec_capability *cap; + + if (size < 0) { + DBG("Endpoint replied an invalid configuration"); + goto done; + } + + media_transport = avdtp_service_cap_new(AVDTP_MEDIA_TRANSPORT, + NULL, 0); + + setup->caps = g_slist_append(setup->caps, media_transport); + + cap = g_malloc0(sizeof(*cap) + size); + cap->media_type = AVDTP_MEDIA_TYPE_VIDEO; + cap->media_codec_type = setup->sep->codec; + memcpy(cap->data, ret, size); + + media_codec = avdtp_service_cap_new(AVDTP_MEDIA_CODEC, cap, + sizeof(*cap) + size); + + setup->caps = g_slist_append(setup->caps, media_codec); + g_free(cap); + +done: + finalize_select(setup); +} + +static gboolean auto_select(gpointer data) +{ + struct vdp_setup *setup = data; + + finalize_select(setup); + + return FALSE; +} + +unsigned int vdp_select_capabilities(struct avdtp *session, + uint8_t type, const char *sender, + vdp_select_cb_t cb, + void *user_data) +{ + struct vdp_setup *setup; + struct vdp_setup_cb *cb_data; + struct vdp_sep *sep; + struct avdtp_service_capability *service; + struct avdtp_media_codec_capability *codec; + int err; + + DBG(""); + + sep = vdp_select_sep(session, type, sender); + if (!sep) { + error("Unable to select SEP"); + return 0; + } + + setup = vdp_setup_get(session); + if (!setup) + return 0; + + cb_data = setup_cb_new(setup); + cb_data->select_cb = cb; + cb_data->user_data = user_data; + + setup->sep = sep; + setup->rsep = avdtp_find_remote_sep(session, sep->lsep); + + if (setup->rsep == NULL) { + error("Could not find remote sep"); + goto fail; + } + + /* FIXME: Remove auto select when it is not longer possible to register + endpoint in the configuration file */ + if (sep->endpoint == NULL) { + if (!select_capabilities(session, setup->rsep, + &setup->caps)) { + error("Unable to auto select remote SEP capabilities"); + goto fail; + } + + g_idle_add(auto_select, setup); + + return cb_data->id; + } + + service = avdtp_get_codec(setup->rsep); + codec = (struct avdtp_media_codec_capability *) service->data; + + err = sep->endpoint->select_configuration(sep, codec->data, + service->length - sizeof(*codec), + GPOINTER_TO_UINT(setup), + select_cb, sep->user_data); + if (err == 0) + return cb_data->id; + +fail: + setup_cb_free(cb_data); + return 0; + +} + +static void setconf_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, + struct avdtp_error *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + struct audio_device *dev; + int ret; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Set_Configuration_Cfm", sep); + else + DBG("Source %p: Set_Configuration_Cfm", sep); + + setup = find_setup_by_session(session); + + if (err) { + if (setup) { + setup->err = err; + finalize_config(setup); + } + return; + } + + avdtp_stream_add_cb(session, stream, stream_state_changed, vdp_sep); + vdp_sep->stream = stream; + + if (!setup) + return; + + dev = vdp_get_dev(session); + + /* Notify D-Bus interface of the new stream */ + if (vdp_sep->type == AVDTP_SEP_TYPE_SOURCE) + video_sink_new_stream(dev, session, setup->stream); + else + video_source_new_stream(dev, session, setup->stream); + + /* Notify Endpoint */ + if (vdp_sep->endpoint) { + struct avdtp_service_capability *service; + struct avdtp_media_codec_capability *codec; + int err; + + service = avdtp_stream_get_codec(stream); + codec = (struct avdtp_media_codec_capability *) service->data; + + err = vdp_sep->endpoint->set_configuration(vdp_sep, dev, + codec->data, service->length - + sizeof(*codec), + GPOINTER_TO_UINT(setup), + endpoint_open_cb, + vdp_sep->user_data); + if (err == 0) + return; + + setup->stream = NULL; + finalize_setup_errno(setup, -EPERM, finalize_config, NULL); + return; + } + + ret = avdtp_open(session, stream); + if (ret < 0) { + error("Error on avdtp_open %s (%d)", strerror(-ret), -ret); + setup->stream = NULL; + finalize_setup_errno(setup, ret, finalize_config, NULL); + } +} + +static void getconf_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Set_Configuration_Cfm", sep); + else + DBG("Source %p: Set_Configuration_Cfm", sep); +} + +static void open_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Open_Cfm", sep); + else + DBG("Source %p: Open_Cfm", sep); + + setup = find_setup_by_session(session); + if (!setup) + return; + + if (setup->reconfigure) + setup->reconfigure = FALSE; + + if (err) { + setup->stream = NULL; + setup->err = err; + } + + finalize_config(setup); +} + +static void start_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Start_Cfm", sep); + else + DBG("Source %p: Start_Cfm", sep); + + setup = find_setup_by_session(session); + if (!setup) + return; + + if (err) { + setup->stream = NULL; + setup->err = err; + } + + finalize_resume(setup); +} + +static void suspend_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + gboolean start; + int perr; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Suspend_Cfm", sep); + else + DBG("Source %p: Suspend_Cfm", sep); + + vdp_sep->suspending = FALSE; + + setup = find_setup_by_session(session); + if (!setup) + return; + + start = setup->start; + setup->start = FALSE; + + if (err) { + setup->stream = NULL; + setup->err = err; + } + + finalize_suspend(setup); + + if (!start) + return; + + if (err) { + finalize_resume(setup); + return; + } + + perr = avdtp_start(session, vdp_sep->stream); + if (perr < 0) { + error("Error on avdtp_start %s (%d)", strerror(-perr), -perr); + finalize_setup_errno(setup, -EIO, finalize_suspend, NULL); + } +} + +static gboolean vdp_reconfigure(gpointer data) +{ + struct vdp_setup *setup = data; + struct vdp_sep *sep = setup->sep; + int posix_err; + struct avdtp_media_codec_capability *rsep_codec; + struct avdtp_service_capability *cap; + + if (setup->rsep) { + cap = avdtp_get_codec(setup->rsep); + rsep_codec = (struct avdtp_media_codec_capability *) cap->data; + } + + if (!setup->rsep || sep->codec != rsep_codec->media_codec_type) + setup->rsep = avdtp_find_remote_sep(setup->session, sep->lsep); + + posix_err = avdtp_set_configuration(setup->session, setup->rsep, + sep->lsep, + setup->caps, + &setup->stream); + if (posix_err < 0) { + error("avdtp_set_configuration: %s", strerror(-posix_err)); + goto failed; + } + + return FALSE; + +failed: + finalize_setup_errno(setup, posix_err, finalize_config, NULL); + return FALSE; +} + +static void close_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Close_Cfm", sep); + else + DBG("Source %p: Close_Cfm", sep); + + setup = find_setup_by_session(session); + if (!setup) + return; + + if (err) { + setup->stream = NULL; + setup->err = err; + finalize_config(setup); + return; + } + + if (!setup->rsep) + setup->rsep = avdtp_stream_get_remote_sep(stream); + + if (setup->reconfigure) + g_timeout_add(RECONFIGURE_TIMEOUT, vdp_reconfigure, setup); +} + +static void abort_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + DBG(""); + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Abort_Cfm", sep); + else + DBG("Source %p: Abort_Cfm", sep); + + setup = find_setup_by_session(session); + if (!setup) + return; + + setup_unref(setup); +} + +static void reconf_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: ReConfigure_Cfm", sep); + else + DBG("Source %p: ReConfigure_Cfm", sep); + + setup = find_setup_by_session(session); + if (!setup) + return; + + if (err) { + setup->stream = NULL; + setup->err = err; + } + + finalize_config(setup); +} + +static void delay_report_cfm(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, + struct avdtp_error *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: DelayReport_Cfm", sep); + else + DBG("Source %p: DelayReport_Cfm", sep); +} + + +static struct avdtp_sep_cfm cfm = { + .set_configuration = setconf_cfm, + .get_configuration = getconf_cfm, + .open = open_cfm, + .start = start_cfm, + .suspend = suspend_cfm, + .close = close_cfm, + .abort = abort_cfm, + .reconfigure = reconf_cfm, + .delay_report = delay_report_cfm, +}; + +static gboolean endpoint_getcap_ind(struct avdtp *session, + struct avdtp_local_sep *sep, + gboolean get_all, GSList **caps, + uint8_t *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct avdtp_service_capability *media_transport, *media_codec; + struct avdtp_media_codec_capability *codec_caps; + uint8_t *capabilities; + size_t length; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Get_Capability_Ind", sep); + else + DBG("Source %p: Get_Capability_Ind", sep); + + *caps = NULL; + + media_transport = avdtp_service_cap_new(AVDTP_MEDIA_TRANSPORT, + NULL, 0); + + *caps = g_slist_append(*caps, media_transport); + + length = vdp_sep->endpoint->get_capabilities(vdp_sep, &capabilities, + vdp_sep->user_data); + codec_caps = g_malloc0(sizeof(*codec_caps) + length); + codec_caps->media_type = AVDTP_MEDIA_TYPE_VIDEO; + codec_caps->media_codec_type = vdp_sep->codec; + memcpy(codec_caps->data, capabilities, length); + + media_codec = avdtp_service_cap_new(AVDTP_MEDIA_CODEC, codec_caps, + sizeof(*codec_caps) + length); + + *caps = g_slist_append(*caps, media_codec); + g_free(codec_caps); + + if (get_all) { + struct avdtp_service_capability *delay_reporting; + delay_reporting = avdtp_service_cap_new(AVDTP_DELAY_REPORTING, + NULL, 0); + *caps = g_slist_append(*caps, delay_reporting); + } + + return TRUE; +} + +static void endpoint_setconf_cb(struct vdp_sep *sep, guint setup_id, + gboolean ret) +{ + struct vdp_setup *setup = GUINT_TO_POINTER(setup_id); + + if (ret == FALSE) { + setup->err = g_new(struct avdtp_error, 1); + avdtp_error_init(setup->err, AVDTP_MEDIA_CODEC, + AVDTP_UNSUPPORTED_CONFIGURATION); + } + + auto_config(setup); +} + +static gboolean endpoint_setconf_ind(struct avdtp *session, + struct avdtp_local_sep *sep, + struct avdtp_stream *stream, + GSList *caps, + avdtp_set_configuration_cb cb, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Set_Configuration_Ind", sep); + else + DBG("Source %p: Set_Configuration_Ind", sep); + + setup = vdp_setup_get(session); + if (!session) + return FALSE; + + vdp_sep->stream = stream; + setup->sep = vdp_sep; + setup->stream = stream; + setup->setconf_cb = cb; + + for (; caps != NULL; caps = g_slist_next(caps)) { + struct avdtp_service_capability *cap = caps->data; + struct avdtp_media_codec_capability *codec; + gboolean ret; + + if (cap->category == AVDTP_DELAY_REPORTING && + !vdp_sep->delay_reporting) { + setup->err = g_new(struct avdtp_error, 1); + avdtp_error_init(setup->err, AVDTP_DELAY_REPORTING, + AVDTP_UNSUPPORTED_CONFIGURATION); + goto done; + } + + if (cap->category != AVDTP_MEDIA_CODEC) + continue; + + codec = (struct avdtp_media_codec_capability *) cap->data; + + if (codec->media_codec_type != vdp_sep->codec) { + setup->err = g_new(struct avdtp_error, 1); + avdtp_error_init(setup->err, AVDTP_MEDIA_CODEC, + AVDTP_UNSUPPORTED_CONFIGURATION); + goto done; + } + + ret = vdp_sep->endpoint->set_configuration(vdp_sep, + setup->dev, codec->data, + cap->length - sizeof(*codec), + GPOINTER_TO_UINT(setup), + endpoint_setconf_cb, + vdp_sep->user_data); + if (ret == 0) + return TRUE; + + avdtp_error_init(setup->err, AVDTP_MEDIA_CODEC, + AVDTP_UNSUPPORTED_CONFIGURATION); + break; + } + +done: + g_idle_add(auto_config, setup); + return TRUE; +} + +static gboolean getconf_ind(struct avdtp *session, struct avdtp_local_sep *sep, + uint8_t *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Get_Configuration_Ind", sep); + else + DBG("Source %p: Get_Configuration_Ind", sep); + return TRUE; +} + +static gboolean open_ind(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Open_Ind", sep); + else + DBG("Source %p: Open_Ind", sep); + return TRUE; +} + +static gboolean suspend_timeout(struct vdp_sep *sep) +{ + if (avdtp_suspend(sep->session, sep->stream) == 0) + sep->suspending = TRUE; + + sep->suspend_timer = 0; + + avdtp_unref(sep->session); + sep->session = NULL; + + return FALSE; +} + + +static gboolean start_ind(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Start_Ind", sep); + else + DBG("Source %p: Start_Ind", sep); + + setup = find_setup_by_session(session); + if (setup) + finalize_resume(setup); + + if (!vdp_sep->locked) { + vdp_sep->session = avdtp_ref(session); + vdp_sep->suspend_timer = g_timeout_add_seconds(SUSPEND_TIMEOUT, + (GSourceFunc) suspend_timeout, + vdp_sep); + } + + return TRUE; +} + +static gboolean suspend_ind(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Suspend_Ind", sep); + else + DBG("Source %p: Suspend_Ind", sep); + + if (vdp_sep->suspend_timer) { + g_source_remove(vdp_sep->suspend_timer); + vdp_sep->suspend_timer = 0; + avdtp_unref(vdp_sep->session); + vdp_sep->session = NULL; + } + + return TRUE; +} + +static gboolean close_ind(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Close_Ind", sep); + else + DBG("Source %p: Close_Ind", sep); + + setup = find_setup_by_session(session); + if (!setup) + return TRUE; + + finalize_setup_errno(setup, -ECONNRESET, finalize_suspend, + finalize_resume, NULL); + + return TRUE; +} + +static gboolean abort_ind(struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Abort_Ind", sep); + else + DBG("Source %p: Abort_Ind", sep); + + vdp_sep->stream = NULL; + + return TRUE; +} + +static gboolean reconf_ind(struct avdtp *session, struct avdtp_local_sep *sep, + uint8_t *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: ReConfigure_Ind", sep); + else + DBG("Source %p: ReConfigure_Ind", sep); + + return TRUE; +} + +static gboolean delayreport_ind(struct avdtp *session, + struct avdtp_local_sep *sep, + uint8_t rseid, uint16_t delay, + uint8_t *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct audio_device *dev = vdp_get_dev(session); + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: DelayReport_Ind", sep); + else + DBG("Source %p: DelayReport_Ind", sep); + + unix_delay_report(dev, rseid, delay); + + return TRUE; +} + +static gboolean endpoint_delayreport_ind(struct avdtp *session, + struct avdtp_local_sep *sep, + uint8_t rseid, uint16_t delay, + uint8_t *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: DelayReport_Ind", sep); + else + DBG("Source %p: DelayReport_Ind", sep); + + if (vdp_sep->endpoint == NULL || + vdp_sep->endpoint->set_delay == NULL) + return FALSE; + + vdp_sep->endpoint->set_delay(vdp_sep, delay, vdp_sep->user_data); + + return TRUE; +} + +static struct avdtp_sep_ind endpoint_ind = { + .get_capability = endpoint_getcap_ind, + .set_configuration = endpoint_setconf_ind, + .get_configuration = getconf_ind, + .open = open_ind, + .start = start_ind, + .suspend = suspend_ind, + .close = close_ind, + .abort = abort_ind, + .reconfigure = reconf_ind, + .delayreport = endpoint_delayreport_ind, +}; + +static gboolean h263_baseline_getcap_ind(struct avdtp *session, + struct avdtp_local_sep *sep, gboolean get_all, + GSList **caps, uint8_t *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct avdtp_service_capability *media_transport, *media_codec; + struct h263_baseline_codec_cap h263_cap; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Get_Capability_Ind", sep); + else + DBG("Source %p: Get_Capability_Ind", sep); + + *caps = NULL; + + media_transport = avdtp_service_cap_new(AVDTP_MEDIA_TRANSPORT, + NULL, 0); + + *caps = g_slist_append(*caps, media_transport); + + memset(&h263_cap, 0, sizeof(struct h263_baseline_codec_cap)); + + h263_cap.cap.media_type = AVDTP_MEDIA_TYPE_VIDEO; + h263_cap.cap.media_codec_type = VDP_CODEC_H263_BASELINE; + + h263_cap.level = ( H263_LEVEL_10 | + H263_LEVEL_20 | + H263_LEVEL_30 ); + + media_codec = avdtp_service_cap_new(AVDTP_MEDIA_CODEC, &h263_cap, + sizeof(h263_cap)); + + *caps = g_slist_append(*caps, media_codec); + + if (get_all) { + struct avdtp_service_capability *delay_reporting; + delay_reporting = avdtp_service_cap_new(AVDTP_DELAY_REPORTING, + NULL, 0); + *caps = g_slist_append(*caps, delay_reporting); + } + + return TRUE; +} + +static gboolean h263_baseline_setconf_ind(struct avdtp *session, + struct avdtp_local_sep *sep, + struct avdtp_stream *stream, + GSList *caps, + avdtp_set_configuration_cb cb, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Set_Configuration_Ind", sep); + else + DBG("Source %p: Set_Configuration_Ind", sep); + + setup = vdp_setup_get(session); + if (!setup) + return FALSE; + + vdp_sep->stream = stream; + setup->sep = vdp_sep; + setup->stream = stream; + setup->setconf_cb = cb; + + /* Check valid settings */ + for (; caps != NULL; caps = g_slist_next(caps)) { + struct avdtp_service_capability *cap = caps->data; + struct avdtp_media_codec_capability *codec_cap; + + if (cap->category == AVDTP_DELAY_REPORTING && + !vdp_sep->delay_reporting) { + setup->err = g_new(struct avdtp_error, 1); + avdtp_error_init(setup->err, AVDTP_DELAY_REPORTING, + AVDTP_UNSUPPORTED_CONFIGURATION); + goto done; + } + + if (cap->category != AVDTP_MEDIA_CODEC) + continue; + + if (cap->length < sizeof(struct h263_baseline_codec_cap)) + continue; + + codec_cap = (void *) cap->data; + + if (codec_cap->media_codec_type != VDP_CODEC_H263_BASELINE) + continue; + + } + +done: + g_idle_add(auto_config, setup); + return TRUE; +} + +static struct avdtp_sep_ind h263_baseline_ind = { + .get_capability = h263_baseline_getcap_ind, + .set_configuration = h263_baseline_setconf_ind, + .get_configuration = getconf_ind, + .open = open_ind, + .start = start_ind, + .suspend = suspend_ind, + .close = close_ind, + .abort = abort_ind, + .reconfigure = reconf_ind, + .delayreport = delayreport_ind, +}; + +static gboolean mpeg4_getcap_ind(struct avdtp *session, + struct avdtp_local_sep *sep, gboolean get_all, + GSList **caps, uint8_t *err, void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct avdtp_service_capability *media_transport, *media_codec; + struct mpeg4_codec_cap mpeg4_cap; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Get_Capability_Ind", sep); + else + DBG("Source %p: Get_Capability_Ind", sep); + + *caps = NULL; + + media_transport = avdtp_service_cap_new(AVDTP_MEDIA_TRANSPORT, + NULL, 0); + + *caps = g_slist_append(*caps, media_transport); + + memset(&mpeg4_cap, 0, sizeof(struct mpeg4_codec_cap)); + + mpeg4_cap.cap.media_type = AVDTP_MEDIA_TYPE_VIDEO; + mpeg4_cap.cap.media_codec_type = VDP_CODEC_MPEG4_VISUAL_SAMPLE; + + mpeg4_cap.level = ( MPEG4_LEVEL_0 | + MPEG4_LEVEL_1 | + MPEG4_LEVEL_2 ); + + media_codec = avdtp_service_cap_new(AVDTP_MEDIA_CODEC, &mpeg4_cap, + sizeof(mpeg4_cap)); + + *caps = g_slist_append(*caps, media_codec); + + if (get_all) { + struct avdtp_service_capability *delay_reporting; + delay_reporting = avdtp_service_cap_new(AVDTP_DELAY_REPORTING, + NULL, 0); + *caps = g_slist_append(*caps, delay_reporting); + } + + return TRUE; +} + +static gboolean mpeg4_setconf_ind(struct avdtp *session, + struct avdtp_local_sep *sep, + struct avdtp_stream *stream, + GSList *caps, + avdtp_set_configuration_cb cb, + void *user_data) +{ + struct vdp_sep *vdp_sep = user_data; + struct vdp_setup *setup; + + if (vdp_sep->type == AVDTP_SEP_TYPE_SINK) + DBG("Sink %p: Set_Configuration_Ind", sep); + else + DBG("Source %p: Set_Configuration_Ind", sep); + + setup = vdp_setup_get(session); + if (!setup) + return FALSE; + + vdp_sep->stream = stream; + setup->sep = vdp_sep; + setup->stream = stream; + setup->setconf_cb = cb; + + /* Check valid settings */ + for (; caps != NULL; caps = g_slist_next(caps)) { + struct avdtp_service_capability *cap = caps->data; + struct avdtp_media_codec_capability *codec_cap; + + if (cap->category == AVDTP_DELAY_REPORTING && + !vdp_sep->delay_reporting) { + setup->err = g_new(struct avdtp_error, 1); + avdtp_error_init(setup->err, AVDTP_DELAY_REPORTING, + AVDTP_UNSUPPORTED_CONFIGURATION); + goto done; + } + + if (cap->category != AVDTP_MEDIA_CODEC) + continue; + + if (cap->length < sizeof(struct h263_baseline_codec_cap)) + continue; + + codec_cap = (void *) cap->data; + + if (codec_cap->media_codec_type != VDP_CODEC_H263_BASELINE) + continue; + + } + +done: + g_idle_add(auto_config, setup); + return TRUE; +} + +static struct avdtp_sep_ind mpeg4_ind = { + .get_capability = mpeg4_getcap_ind, + .set_configuration = mpeg4_setconf_ind, + .get_configuration = getconf_ind, + .open = open_ind, + .start = start_ind, + .suspend = suspend_ind, + .close = close_ind, + .abort = abort_ind, + .reconfigure = reconf_ind, + .delayreport = delayreport_ind, +}; + +static sdp_record_t *vdp_record(uint8_t type, uint16_t avdtp_ver) +{ + sdp_list_t *svclass_id, *pfseq, *apseq, *root; + uuid_t root_uuid, l2cap_uuid, avdtp_uuid, vdp_uuid; + sdp_profile_desc_t profile[1]; + sdp_list_t *aproto, *proto[2]; + sdp_record_t *record; + sdp_data_t *psm, *version, *features; + uint16_t lp = AVDTP_UUID; + uint16_t vdp_ver = 0x0001, feat = 0x000f; + + DBG("VDP record"); + record = sdp_record_alloc(); + if (!record) + return NULL; + + sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP); + root = sdp_list_append(0, &root_uuid); + sdp_set_browse_groups(record, root); + + if (type == AVDTP_SEP_TYPE_SOURCE) + sdp_uuid16_create(&vdp_uuid, VIDEO_SOURCE_SVCLASS_ID); + else + sdp_uuid16_create(&vdp_uuid, VIDEO_SINK_SVCLASS_ID); + svclass_id = sdp_list_append(0, &vdp_uuid); + sdp_set_service_classes(record, svclass_id); + + sdp_uuid16_create(&profile[0].uuid, VIDEO_DISTRIBUTION_PROFILE_ID); + profile[0].version = vdp_ver; + pfseq = sdp_list_append(0, &profile[0]); + sdp_set_profile_descs(record, pfseq); + + sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID); + proto[0] = sdp_list_append(0, &l2cap_uuid); + psm = sdp_data_alloc(SDP_UINT16, &lp); + proto[0] = sdp_list_append(proto[0], psm); + apseq = sdp_list_append(0, proto[0]); + + sdp_uuid16_create(&avdtp_uuid, AVDTP_UUID); + proto[1] = sdp_list_append(0, &avdtp_uuid); + version = sdp_data_alloc(SDP_UINT16, &avdtp_ver); + proto[1] = sdp_list_append(proto[1], version); + apseq = sdp_list_append(apseq, proto[1]); + + aproto = sdp_list_append(0, apseq); + sdp_set_access_protos(record, aproto); + + features = sdp_data_alloc(SDP_UINT16, &feat); + sdp_attr_add(record, SDP_ATTR_SUPPORTED_FEATURES, features); + + if (type == AVDTP_SEP_TYPE_SOURCE) + sdp_set_info_attr(record, "Video Source", 0, 0); + else + sdp_set_info_attr(record, "Video Sink", 0, 0); + + free(psm); + free(version); + sdp_list_free(proto[0], 0); + sdp_list_free(proto[1], 0); + sdp_list_free(apseq, 0); + sdp_list_free(pfseq, 0); + sdp_list_free(aproto, 0); + sdp_list_free(root, 0); + sdp_list_free(svclass_id, 0); + + return record; +} + +struct vdp_sep *vdp_add_sep(const bdaddr_t *src, uint8_t type, + uint8_t codec, gboolean delay_reporting, + struct vdp_endpoint *endpoint, + void *user_data, GDestroyNotify destroy, + int *err) +{ + struct vdp_server *server; + struct vdp_sep *sep; + GSList **l; + uint32_t *record_id; + sdp_record_t *record; + struct avdtp_sep_ind *ind; + + server = find_server(servers, src); + if (server == NULL) { + if (err) + *err = -EINVAL; + return NULL; + } + + if (type == AVDTP_SEP_TYPE_SINK && !server->sink_enabled) { + if (err) + *err = -EPROTONOSUPPORT; + return NULL; + } + + if (type == AVDTP_SEP_TYPE_SOURCE && !server->source_enabled) { + if (err) + *err = -EPROTONOSUPPORT; + return NULL; + } + + sep = g_new0(struct vdp_sep, 1); + + if (endpoint) { + ind = &endpoint_ind; + goto proceed; + } + + ind = (codec == VDP_CODEC_H263_BASELINE) ? &h263_baseline_ind: &mpeg4_ind; + +proceed: + sep->lsep = avdtp_register_sep(&server->src, type, + AVDTP_MEDIA_TYPE_VIDEO, codec, + delay_reporting, ind,&cfm, sep); + if (sep->lsep == NULL) { + g_free(sep); + if (err) + *err = -EINVAL; + return NULL; + } + + sep->server = server; + sep->endpoint = endpoint; + sep->codec = codec; + sep->type = type; + sep->delay_reporting = delay_reporting; + sep->user_data = user_data; + sep->destroy = destroy; + + if (type == AVDTP_SEP_TYPE_SOURCE) { + l = &server->sources; + record_id = &server->source_record_id; + } else { + l = &server->sinks; + record_id = &server->sink_record_id; + } + + if (*record_id != 0) + goto add; + + record = vdp_record(type, server->version); + if (!record) { + error("Unable to allocate new service record"); + avdtp_unregister_sep(sep->lsep); + g_free(sep); + if (err) + *err = -EINVAL; + return NULL; + } + + if (add_record_to_server(&server->src, record) < 0) { + error("Unable to register VDP service record"); + sdp_record_free(record); + avdtp_unregister_sep(sep->lsep); + g_free(sep); + if (err) + *err = -EINVAL; + return NULL; + } + *record_id = record->handle; + +add: + *l = g_slist_append(*l, sep); + + if (err) + *err = 0; + return sep; +} + +int vdp_register(DBusConnection *conn, const bdaddr_t *src, GKeyFile *config) +{ + int h263_baseline_srcs = 1, h263_baseline_sinks = 1; + int mpeg4_srcs = 0, mpeg4_sinks = 0; + gboolean source = TRUE, sink = FALSE; + struct vdp_server *server; + int i; + char *str; + GError *err = NULL; + + if (!config) + goto proceed; + + str = g_key_file_get_string(config, "General", "Enable", &err); + + if (err) { + DBG("audio.conf: %s", err->message); + g_clear_error(&err); + } else { + if (strstr(str, "VideoSink")) + source = TRUE; + if (strstr(str, "VideoSource")) + sink = TRUE; + g_free(str); + } + + str = g_key_file_get_string(config, "General", "Disable", &err); + + if (err) { + DBG("audio.conf: %s", err->message); + g_clear_error(&err); + } else { + if (strstr(str, "VideoSink")) + source = FALSE; + if (strstr(str, "VideoSource")) + sink = FALSE; + g_free(str); + } + + str = g_key_file_get_string(config, "VDP", "H263BaselineSources", &err); + if (err) { + DBG("audio.conf: %s", err->message); + g_clear_error(&err); + } else { + h263_baseline_srcs = atoi(str); + g_free(str); + } + + str = g_key_file_get_string(config, "VDP", "MPEG4Sources", &err); + if (err) { + DBG("audio.conf: %s", err->message); + g_clear_error(&err); + } else { + mpeg4_srcs = atoi(str); + g_free(str); + } + + str = g_key_file_get_string(config, "VDP", "H263BaselineSinks", &err); + if (err) { + DBG("audio.conf: %s", err->message); + g_clear_error(&err); + } else { + h263_baseline_sinks = atoi(str); + g_free(str); + } + + str = g_key_file_get_string(config, "VDP", "MPEG4Sinks", &err); + if (err) { + DBG("audio.conf: %s", err->message); + g_clear_error(&err); + } else { + mpeg4_sinks = atoi(str); + g_free(str); + } + +proceed: + + if(!conn) + connection = dbus_connection_ref(conn); + server = find_server(servers, src); + + if (!server) { + int av_err; + + server = g_new0(struct vdp_server, 1); + if (!server) + return -ENOMEM; + + av_err = avdtp_init(src, config, &server->version); + if (av_err < 0) { + g_free(server); + return av_err; + } + + bacpy(&server->src, src); + servers = g_slist_append(servers, server); + } + + server->source_enabled = source; + if (source) { + for (i = 0; i < h263_baseline_srcs; i++) + vdp_add_sep(src, AVDTP_SEP_TYPE_SOURCE, + VDP_CODEC_H263_BASELINE, FALSE, + NULL, NULL, NULL, NULL); + + for (i = 0; i < mpeg4_srcs; i++) + vdp_add_sep(src, AVDTP_SEP_TYPE_SOURCE, + VDP_CODEC_MPEG4_VISUAL_SAMPLE, FALSE, + NULL, NULL, NULL, NULL); + } + server->sink_enabled = sink; + if (sink) { + for (i = 0; i < h263_baseline_sinks; i++) + vdp_add_sep(src, AVDTP_SEP_TYPE_SINK, + VDP_CODEC_H263_BASELINE, FALSE, + NULL, NULL, NULL, NULL); + + for (i = 0; i < mpeg4_sinks; i++) + vdp_add_sep(src, AVDTP_SEP_TYPE_SINK, + VDP_CODEC_MPEG4_VISUAL_SAMPLE, FALSE, + NULL, NULL, NULL, NULL); + } + + return 0; +} + +static void vdp_unregister_sep(struct vdp_sep *sep) +{ + if (sep->destroy) { + sep->destroy(sep->user_data); + sep->endpoint = NULL; + } + + avdtp_unregister_sep(sep->lsep); + g_free(sep); +} + +void vdp_remove_sep(struct vdp_sep *sep) +{ + struct vdp_server *server = sep->server; + + if (sep->type == AVDTP_SEP_TYPE_SOURCE) { + if (g_slist_find(server->sources, sep) == NULL) + return; + server->sources = g_slist_remove(server->sources, sep); + if (server->sources == NULL && server->source_record_id) { + remove_record_from_server(server->source_record_id); + server->source_record_id = 0; + } + } else { + if (g_slist_find(server->sinks, sep) == NULL) + return; + server->sinks = g_slist_remove(server->sinks, sep); + if (server->sinks == NULL && server->sink_record_id) { + remove_record_from_server(server->sink_record_id); + server->sink_record_id = 0; + } + } + + if (sep->locked) + return; + + vdp_unregister_sep(sep); +} + +void vdp_unregister(const bdaddr_t *src) +{ + struct vdp_server *server; + + server = find_server(servers, src); + if (!server) + return; + + g_slist_foreach(server->sinks, (GFunc) vdp_remove_sep, NULL); + g_slist_free(server->sinks); + + g_slist_foreach(server->sources, (GFunc) vdp_remove_sep, NULL); + g_slist_free(server->sources); + + avdtp_exit(src); + + servers = g_slist_remove(servers, server); + g_free(server); + + if (servers) + return; + + dbus_connection_unref(connection); + connection = NULL; +} + +gboolean vdp_cancel(struct audio_device *dev, unsigned int id) +{ + struct vdp_setup *setup; + GSList *l; + + DBG(""); + + setup = find_setup_by_dev(dev); + if (!setup) + return FALSE; + + for (l = setup->cb; l != NULL; l = g_slist_next(l)) { + struct vdp_setup_cb *cb = l->data; + + if (cb->id != id) + continue; + + setup_ref(setup); + setup_cb_free(cb); + + if (!setup->cb) { + DBG("aborting setup %p", setup); + avdtp_abort(setup->session, setup->stream); + return TRUE; + } + + setup_unref(setup); + return TRUE; + } + + return FALSE; +} diff --git a/audio/vdp.h b/audio/vdp.h new file mode 100644 index 0000000..bc81838 --- /dev/null +++ b/audio/vdp.h @@ -0,0 +1,112 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2006-2010 Nokia Corporation + * Copyright (C) 2004-2010 Marcel Holtmann + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#define VDP_CODEC_H263_BASELINE 0x01 +#define VDP_CODEC_MPEG4_VISUAL_SAMPLE 0x02 +#define VDP_CODEC_H263_PROFILE_3 0x03 +#define VDP_CODEC_H263_PROFILE_8 0x04 + +#define H263_LEVEL_10 (1 << 7) +#define H263_LEVEL_20 (1 << 6) +#define H263_LEVEL_30 (1 << 5) + +#define MPEG4_LEVEL_0 (1 << 7) +#define MPEG4_LEVEL_1 (1 << 6) +#define MPEG4_LEVEL_2 (1 << 5) + +struct h263_baseline_codec_cap { + struct avdtp_media_codec_capability cap; + uint8_t level; +} __attribute__ ((packed)); + +struct mpeg4_codec_cap { + struct avdtp_media_codec_capability cap; + uint8_t level; +} __attribute__ ((packed)); + +struct vdp_sep; + +typedef void (*vdp_endpoint_select_t) (struct vdp_sep *sep, guint setup_id, + void *ret, int size); +typedef void (*vdp_endpoint_config_t) (struct vdp_sep *sep, guint setup_id, + gboolean ret); + +struct vdp_endpoint { + const char *(*get_name) (struct vdp_sep *sep, void *user_data); + size_t (*get_capabilities) (struct vdp_sep *sep, + uint8_t **capabilities, + void *user_data); + int (*select_configuration) (struct vdp_sep *sep, + uint8_t *capabilities, + size_t length, + guint setup_id, + vdp_endpoint_select_t cb, + void *user_data); + int (*set_configuration) (struct vdp_sep *sep, + struct audio_device *dev, + uint8_t *configuration, + size_t length, + guint setup_id, + vdp_endpoint_config_t cb, + void *user_data); + void (*clear_configuration) (struct vdp_sep *sep, void *user_data); + void (*set_delay) (struct vdp_sep *sep, uint16_t delay, + void *user_data); +}; + +typedef void (*vdp_select_cb_t) (struct avdtp *session, + struct vdp_sep *sep, GSList *caps, + void *user_data); +typedef void (*vdp_config_cb_t) (struct avdtp *session, struct vdp_sep *sep, + struct avdtp_stream *stream, + struct avdtp_error *err, + void *user_data); +typedef void (*vdp_stream_cb_t) (struct avdtp *session, + struct avdtp_error *err, + void *user_data); + +int vdp_register(DBusConnection *conn, const bdaddr_t *src, GKeyFile *config); +void vdp_unregister(const bdaddr_t *src); +struct vdp_sep *vdp_add_sep(const bdaddr_t *src, uint8_t type, + uint8_t codec, gboolean delay_reporting, + struct vdp_endpoint *endpoint, + void *user_data, GDestroyNotify destroy, + int *err); +void vdp_remove_sep(struct vdp_sep *sep); + +struct vdp_sep *vdp_get(struct avdtp *session, struct avdtp_remote_sep *sep); + +unsigned int vdp_select_capabilities(struct avdtp *session, uint8_t type, + const char *sender, vdp_select_cb_t cb, + void *user_data); +unsigned int vdp_config(struct avdtp *session, struct vdp_sep *sep, + vdp_config_cb_t cb, GSList *caps, + void *user_data); +gboolean vdp_sep_lock(struct vdp_sep *sep, struct avdtp *session); +gboolean vdp_sep_unlock(struct vdp_sep *sep, struct avdtp *session); +gboolean vdp_sep_get_lock(struct vdp_sep *sep); +struct avdtp_stream *vdp_sep_get_stream(struct vdp_sep *sep); +struct vdp_sep *vdp_get_sep(struct avdtp *session, + struct avdtp_stream *stream); +gboolean vdp_cancel(struct audio_device *dev, unsigned int id); -- 1.7.6