/*
* Copyright 2015 Dario Casalinuovo
* Copyright 2009-2012, Axel Dörfler, axeld@pinc-software.de.
* Copyright 2008 Maurice Kalinowski, haiku@kaldience.com
*
* All rights reserved. Distributed under the terms of the MIT License.
*/
/*
* Copyright (c) 2002-2006 Marcus Overhagen <Marcus@Overhagen.de>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files or portions
* thereof (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice
* in the binary, as well as this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with
* the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* to comply with the license above, do not remove the following line */
char __dont_remove_copyright_from_binary[] = "Copyright (c) 2002-2006 Marcus "
"Overhagen <Marcus@Overhagen.de>";
#include <MediaRoster.h>
#include <Application.h>
#include <Autolock.h>
#include <BufferConsumer.h>
#include <BufferProducer.h>
#include <Locker.h>
#include <Message.h>
#include <Messenger.h>
#include <MimeType.h>
#include <OS.h>
#include <ParameterWeb.h>
#include <Roster.h>
#include <StopWatch.h>
#include <String.h>
#include <TimeSource.h>
#include <new>
#include <AppMisc.h>
#include <DataExchange.h>
#include <MediaDebug.h>
#include <DormantNodeManager.h>
#include <MediaMisc.h>
#include <MediaRosterEx.h>
#include <Notifications.h>
#include <ServerInterface.h>
#include <SharedBufferList.h>
#include <TList.h>
#include "TimeSourceObjectManager.h"
namespace BPrivate {
namespace media {
struct RosterNotification {
BMessenger messenger;
int32 what;
};
struct SyncedMessage {
BMessage* message;
};
struct LocalNode {
LocalNode(BMediaNode* local_node)
:
node(local_node) {}
LocalNode()
:
node(NULL) {}
bool operator==(const LocalNode& a)
{
if (a.node == this->node)
return true;
return false;
}
BMediaNode* node;
};
static bool sServerIsUp = false;
static List<RosterNotification> sNotificationList;
static BLocker sInitLocker("BMediaRoster::Roster locker");
static List<LocalNode> sRegisteredNodes;
class MediaRosterUndertaker {
public:
~MediaRosterUndertaker()
{
BAutolock _(sInitLocker);
if (BMediaRoster::CurrentRoster() != NULL) {
// Detect any forgotten node
if (sRegisteredNodes.CountItems() > 0) {
for (int32 i = 0; i < sRegisteredNodes.CountItems(); i++) {
LocalNode* node = NULL;
sRegisteredNodes.Get(i, &node);
if (node != NULL) {
ERROR("BMediaRoster: Node with ID %" B_PRId32
" was not released correctly\n", node->node->ID());
}
}
}
if (be_app != NULL)
be_app->UnregisterLooper(BMediaRoster::CurrentRoster());
status_t err = B_ERROR;
thread_id roster = BMediaRoster::CurrentRoster()->Thread();
BMediaRoster::CurrentRoster()->PostMessage(B_QUIT_REQUESTED);
wait_for_thread(roster, &err);
if (err != B_OK)
ERROR("BMediaRoster: wait_for_thread returned error");
}
}
};
static MediaRosterUndertaker sMediaRosterUndertaker;
} // namespace media
} // namespace BPrivate
using namespace BPrivate::media;
BMediaRosterEx::BMediaRosterEx(status_t* _error)
:
BMediaRoster(),
fLaunchNotification(false),
fAutoExit(false)
{
gDormantNodeManager = new DormantNodeManager();
gTimeSourceObjectManager = new TimeSourceObjectManager();
*_error = BuildConnections();
InitRosterDataExchange(BMessenger(this, this));
if (be_roster->StartWatching(BMessenger(this, this),
B_REQUEST_LAUNCHED | B_REQUEST_QUIT) != B_OK) {
*_error = B_ERROR;
}
sServerIsUp = BMediaRoster::IsRunning();
}
void
BMediaRosterEx::Quit()
{
if (be_roster->StopWatching(BMessenger(this, this)) != B_OK)
TRACE("Can't unregister roster notifications");
if (sNotificationList.CountItems() != 0)
sNotificationList.MakeEmpty();
BMediaRoster::Quit();
}
status_t
BMediaRosterEx::BuildConnections()
{
InitServerDataExchange();
// register this application with the media server
server_register_app_request request;
server_register_app_reply reply;
request.team = BPrivate::current_team();
request.messenger = BMessenger(NULL, this);
status_t status = QueryServer(SERVER_REGISTER_APP, &request,
sizeof(request), &reply, sizeof(reply));
if (status != B_OK)
return B_MEDIA_SYSTEM_FAILURE;
return B_OK;
}
BMediaRosterEx::~BMediaRosterEx()
{
CALLED();
delete gTimeSourceObjectManager;
delete gDormantNodeManager;
// unregister this application with the media server
server_unregister_app_request request;
server_unregister_app_reply reply;
request.team = BPrivate::current_team();
QueryServer(SERVER_UNREGISTER_APP, &request, sizeof(request), &reply,
sizeof(reply));
BPrivate::SharedBufferList::Invalidate();
}
void
BMediaRosterEx::RegisterLocalNode(BMediaNode* node)
{
sRegisteredNodes.Insert(LocalNode(node));
}
void
BMediaRosterEx::UnregisterLocalNode(BMediaNode* node)
{
int32 index = sRegisteredNodes.Find(LocalNode(node));
if (index != -1)
sRegisteredNodes.Remove(index);
}
void
BMediaRosterEx::EnableLaunchNotification(bool enable, bool autoExit)
{
// NOTE: in theory, we should personalize it depending on each
// request, but we are using it just in launch/shutdown_media_server,
// so we are enough safe to don't care about that.
fLaunchNotification = enable;
fAutoExit = autoExit;
}
status_t
BMediaRosterEx::SaveNodeConfiguration(BMediaNode* node)
{
int32 flavorID;
BMediaAddOn* addon = node->AddOn(&flavorID);
if (addon == NULL) {
// NOTE: This node could have been created by an application,
// it does not mean there is an error.
// TODO: this check incorrectly triggers on BeOS R5 BT848 node
TRACE("BMediaRosterEx::SaveNodeConfiguration node %" B_PRId32 " not "
"instantiated from BMediaAddOn!\n", node->ID());
return B_ERROR;
}
media_addon_id addonID = addon->AddonID();
// TODO: fix this
printf("### BMediaRosterEx::SaveNodeConfiguration should save addon-id "
"%" B_PRId32 ", flavor-id %" B_PRId32 " config NOW!\n", addonID,
flavorID);
return B_OK;
}
status_t
BMediaRosterEx::LoadNodeConfiguration(media_addon_id addonID, int32 flavorID,
BMessage *_msg)
{
// TODO: fix this
_msg->MakeEmpty(); // to be fully R5 compliant
printf("### BMediaRosterEx::LoadNodeConfiguration should load addon-id "
"%" B_PRId32 ", flavor-id %" B_PRId32 " config NOW!\n", addonID,
flavorID);
return B_OK;
}
status_t
BMediaRosterEx::IncrementAddonFlavorInstancesCount(media_addon_id addonID,
int32 flavorID)
{
server_change_flavor_instances_count_request request;
server_change_flavor_instances_count_reply reply;
request.add_on_id = addonID;
request.flavor_id = flavorID;
request.delta = 1;
request.team = BPrivate::current_team();
return QueryServer(SERVER_CHANGE_FLAVOR_INSTANCES_COUNT, &request,
sizeof(request), &reply, sizeof(reply));
}
status_t
BMediaRosterEx::DecrementAddonFlavorInstancesCount(media_addon_id addonID,
int32 flavorID)
{
server_change_flavor_instances_count_request request;
server_change_flavor_instances_count_reply reply;
request.add_on_id = addonID;
request.flavor_id = flavorID;
request.delta = -1;
request.team = BPrivate::current_team();
return QueryServer(SERVER_CHANGE_FLAVOR_INSTANCES_COUNT, &request,
sizeof(request), &reply, sizeof(reply));
}
status_t
BMediaRosterEx::ReleaseNodeAll(const media_node& node)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
if (node.kind & NODE_KIND_NO_REFCOUNTING)
return B_OK;
server_release_node_request request;
server_release_node_reply reply;
status_t rv;
request.node = node;
request.team = BPrivate::current_team();
TRACE("BMediaRoster::ReleaseNodeAll, node %" B_PRId32 ", port %" B_PRId32
", team %" B_PRId32 "\n",
node.node, node.port, BPrivate::current_team());
rv = QueryServer(SERVER_RELEASE_NODE_ALL, &request, sizeof(request), &reply,
sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::ReleaseNodeAll failed to query media_server, "
"retrying local, node %" B_PRId32 ", port %"
B_PRId32 ", team %" B_PRId32 "!\n", node.node, node.port,
BPrivate::current_team());
node_final_release_command command;
rv = SendToPort(node.port, NODE_FINAL_RELEASE, &command,
sizeof(command));
if (rv != B_OK) {
ERROR("BMediaRoster::ReleaseNodeAll FAILED, node %" B_PRId32 ", port %"
B_PRId32 ", team %" B_PRId32 "!\n", node.node, node.port,
BPrivate::current_team());
}
}
return rv;
}
status_t
BMediaRosterEx::SetNodeCreator(media_node_id node, team_id creator)
{
server_set_node_creator_request request;
server_set_node_creator_reply reply;
request.node = node;
request.creator = creator;
return QueryServer(SERVER_SET_NODE_CREATOR, &request, sizeof(request),
&reply, sizeof(reply));
}
status_t
BMediaRosterEx::GetNode(node_type type, media_node* out_node,
int32* out_input_id, BString* out_input_name)
{
if (out_node == NULL)
return B_BAD_VALUE;
server_get_node_request request;
server_get_node_reply reply;
status_t rv;
request.type = type;
request.team = BPrivate::current_team();
rv = QueryServer(SERVER_GET_NODE, &request, sizeof(request), &reply,
sizeof(reply));
if (rv != B_OK)
return rv;
*out_node = reply.node;
if (out_input_id)
*out_input_id = reply.input_id;
if (out_input_name)
*out_input_name = reply.input_name;
return rv;
}
status_t
BMediaRosterEx::SetNode(node_type type, const media_node* node,
const dormant_node_info* info, const media_input* input)
{
server_set_node_request request;
server_set_node_reply reply;
request.type = type;
request.use_node = node != NULL;
if (node != NULL)
request.node = *node;
request.use_dni = info != NULL;
if (info != NULL)
request.dni = *info;
request.use_input = input != NULL;
if (input != NULL)
request.input = *input;
return QueryServer(SERVER_SET_NODE, &request, sizeof(request), &reply,
sizeof(reply));
}
status_t
BMediaRosterEx::GetAllOutputs(const media_node& node, List<media_output>* list)
{
int32 cookie;
status_t rv;
status_t result;
PRINT(4, "BMediaRosterEx::GetAllOutputs() node %" B_PRId32 ", port %"
B_PRId32 "\n", node.node, node.port);
if (!(node.kind & B_BUFFER_PRODUCER)) {
ERROR("BMediaRosterEx::GetAllOutputs: node %" B_PRId32 " is not a "
"B_BUFFER_PRODUCER\n", node.node);
return B_MEDIA_BAD_NODE;
}
result = B_OK;
cookie = 0;
list->MakeEmpty();
for (;;) {
producer_get_next_output_request request;
producer_get_next_output_reply reply;
request.cookie = cookie;
rv = QueryPort(node.port, PRODUCER_GET_NEXT_OUTPUT, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
break;
cookie = reply.cookie;
if (!list->Insert(reply.output)) {
ERROR("GetAllOutputs: list->Insert failed\n");
result = B_ERROR;
}
#if DEBUG >= 3
PRINT(3," next cookie %" B_PRId32 ", ", cookie);
PRINT_OUTPUT("output ", reply.output);
#endif
}
producer_dispose_output_cookie_request request;
producer_dispose_output_cookie_reply reply;
QueryPort(node.port, PRODUCER_DISPOSE_OUTPUT_COOKIE, &request,
sizeof(request), &reply, sizeof(reply));
return result;
}
status_t
BMediaRosterEx::GetAllOutputs(BBufferProducer* node, List<media_output>* list)
{
int32 cookie;
status_t result;
PRINT(4, "BMediaRosterEx::GetAllOutputs() (by pointer) node %" B_PRId32
", port %" B_PRId32 "\n", node->ID(), node->ControlPort());
result = B_OK;
cookie = 0;
list->MakeEmpty();
for (;;) {
media_output output;
if (B_OK != node->GetNextOutput(&cookie, &output))
break;
if (!list->Insert(output)) {
ERROR("GetAllOutputs: list->Insert failed\n");
result = B_ERROR;
}
#if DEBUG >= 3
PRINT(3," next cookie %" B_PRId32 ", ", cookie);
PRINT_OUTPUT("output ", output);
#endif
}
node->DisposeOutputCookie(cookie);
return result;
}
status_t
BMediaRosterEx::GetAllInputs(const media_node& node, List<media_input>* list)
{
int32 cookie;
status_t rv;
status_t result;
PRINT(4, "BMediaRosterEx::GetAllInputs() node %" B_PRId32 ", port %"
B_PRId32 "\n", node.node, node.port);
if (!(node.kind & B_BUFFER_CONSUMER)) {
ERROR("BMediaRosterEx::GetAllInputs: node %" B_PRId32 " is not a "
"B_BUFFER_CONSUMER\n", node.node);
return B_MEDIA_BAD_NODE;
}
result = B_OK;
cookie = 0;
list->MakeEmpty();
for (;;) {
consumer_get_next_input_request request;
consumer_get_next_input_reply reply;
request.cookie = cookie;
rv = QueryPort(node.port, CONSUMER_GET_NEXT_INPUT, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
break;
cookie = reply.cookie;
if (!list->Insert(reply.input)) {
ERROR("GetAllInputs: list->Insert failed\n");
result = B_ERROR;
}
#if DEBUG >= 3
PRINT(3," next cookie %" B_PRId32 ", ", cookie);
PRINT_OUTPUT("input ", reply.input);
#endif
}
consumer_dispose_input_cookie_request request;
consumer_dispose_input_cookie_reply reply;
QueryPort(node.port, CONSUMER_DISPOSE_INPUT_COOKIE, &request,
sizeof(request), &reply, sizeof(reply));
return result;
}
status_t
BMediaRosterEx::GetAllInputs(BBufferConsumer* node, List<media_input>* list)
{
int32 cookie;
status_t result;
PRINT(4, "BMediaRosterEx::GetAllInputs() (by pointer) node %" B_PRId32
", port %" B_PRId32 "\n", node->ID(), node->ControlPort());
result = B_OK;
cookie = 0;
list->MakeEmpty();
for (;;) {
media_input input;
if (B_OK != node->GetNextInput(&cookie, &input))
break;
if (!list->Insert(input)) {
ERROR("GetAllInputs: list->Insert failed\n");
result = B_ERROR;
}
#if DEBUG >= 3
PRINT(3," next cookie %" B_PRId32 ", ", cookie);
PRINT_INPUT("input ", input);
#endif
}
node->DisposeInputCookie(cookie);
return result;
}
status_t
BMediaRosterEx::PublishOutputs(const media_node& node, List<media_output>* list)
{
server_publish_outputs_request request;
server_publish_outputs_reply reply;
media_output* output;
media_output* outputs;
int32 count;
status_t rv;
count = list->CountItems();
TRACE("PublishOutputs: publishing %" B_PRId32 "\n", count);
request.node = node;
request.count = count;
if (count > MAX_OUTPUTS) {
void *start_addr;
size_t size;
size = ROUND_UP_TO_PAGE(count * sizeof(media_output));
request.area = create_area("publish outputs", &start_addr,
B_ANY_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (request.area < B_OK) {
ERROR("PublishOutputs: failed to create area, %#" B_PRIx32 "\n",
request.area);
return (status_t)request.area;
}
outputs = static_cast<media_output *>(start_addr);
} else {
request.area = -1;
outputs = request.outputs;
}
TRACE("PublishOutputs: area %" B_PRId32 "\n", request.area);
int i;
for (i = 0, list->Rewind(); list->GetNext(&output); i++) {
ASSERT(i < count);
outputs[i] = *output;
}
rv = QueryServer(SERVER_PUBLISH_OUTPUTS, &request, sizeof(request),
&reply, sizeof(reply));
if (request.area != -1)
delete_area(request.area);
return rv;
}
status_t
BMediaRosterEx::PublishInputs(const media_node& node, List<media_input>* list)
{
server_publish_inputs_request request;
server_publish_inputs_reply reply;
media_input* input;
media_input* inputs;
int32 count;
status_t rv;
count = list->CountItems();
TRACE("PublishInputs: publishing %" B_PRId32 "\n", count);
request.node = node;
request.count = count;
if (count > MAX_INPUTS) {
void* start_addr;
size_t size;
size = ROUND_UP_TO_PAGE(count * sizeof(media_input));
request.area = create_area("publish inputs", &start_addr,
B_ANY_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (request.area < B_OK) {
ERROR("PublishInputs: failed to create area, %#" B_PRIx32 "\n",
request.area);
return (status_t)request.area;
}
inputs = static_cast<media_input *>(start_addr);
} else {
request.area = -1;
inputs = request.inputs;
}
TRACE("PublishInputs: area %" B_PRId32 "\n", request.area);
int i;
for (i = 0, list->Rewind(); list->GetNext(&input); i++) {
ASSERT(i < count);
inputs[i] = *input;
}
rv = QueryServer(SERVER_PUBLISH_INPUTS, &request, sizeof(request),
&reply, sizeof(reply));
if (request.area != -1)
delete_area(request.area);
return rv;
}
BTimeSource*
BMediaRosterEx::MakeTimeSourceObject(media_node_id timeSourceID)
{
media_node clone;
status_t status = GetNodeFor(timeSourceID, &clone);
if (status != B_OK) {
ERROR("BMediaRosterEx::MakeTimeSourceObject: GetNodeFor failed: %s\n",
strerror(status));
return NULL;
}
BTimeSource* source = gTimeSourceObjectManager->GetTimeSource(clone);
if (source == NULL) {
ERROR("BMediaRosterEx::MakeTimeSourceObject: GetTimeSource failed\n");
return NULL;
}
// TODO: release?
ReleaseNode(clone);
return source;
}
// #pragma mark - public BMediaRoster
status_t
BMediaRoster::GetVideoInput(media_node* _node)
{
CALLED();
return MediaRosterEx(this)->GetNode(VIDEO_INPUT, _node);
}
status_t
BMediaRoster::GetAudioInput(media_node* _node)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_INPUT, _node);
}
status_t
BMediaRoster::GetVideoOutput(media_node* _node)
{
CALLED();
return MediaRosterEx(this)->GetNode(VIDEO_OUTPUT, _node);
}
status_t
BMediaRoster::GetAudioMixer(media_node* _node)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_MIXER, _node);
}
status_t
BMediaRoster::GetAudioOutput(media_node* _node)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_OUTPUT, _node);
}
status_t
BMediaRoster::GetAudioOutput(media_node* _node, int32* _inputID,
BString* _inputName)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_OUTPUT_EX, _node, _inputID,
_inputName);
}
status_t
BMediaRoster::GetTimeSource(media_node* _node)
{
CALLED();
status_t rv;
// TODO: need to do this in a nicer way.
rv = MediaRosterEx(this)->GetNode(TIME_SOURCE, _node);
if (rv != B_OK)
return rv;
// We don't do reference counting for timesources, that's why we
// release the node immediately.
ReleaseNode(*_node);
// we need to remember to not use this node with server side reference counting
_node->kind |= NODE_KIND_NO_REFCOUNTING;
return B_OK;
}
status_t
BMediaRoster::SetVideoInput(const media_node& producer)
{
CALLED();
return MediaRosterEx(this)->SetNode(VIDEO_INPUT, &producer);
}
status_t
BMediaRoster::SetVideoInput(const dormant_node_info& producer)
{
CALLED();
return MediaRosterEx(this)->SetNode(VIDEO_INPUT, NULL, &producer);
}
status_t
BMediaRoster::SetAudioInput(const media_node& producer)
{
CALLED();
return MediaRosterEx(this)->SetNode(AUDIO_INPUT, &producer);
}
status_t
BMediaRoster::SetAudioInput(const dormant_node_info& producer)
{
CALLED();
return MediaRosterEx(this)->SetNode(AUDIO_INPUT, NULL, &producer);
}
status_t
BMediaRoster::SetVideoOutput(const media_node& consumer)
{
CALLED();
return MediaRosterEx(this)->SetNode(VIDEO_OUTPUT, &consumer);
}
status_t
BMediaRoster::SetVideoOutput(const dormant_node_info& consumer)
{
CALLED();
return MediaRosterEx(this)->SetNode(VIDEO_OUTPUT, NULL, &consumer);
}
status_t
BMediaRoster::SetAudioOutput(const media_node& consumer)
{
CALLED();
return MediaRosterEx(this)->SetNode(AUDIO_OUTPUT, &consumer);
}
status_t
BMediaRoster::SetAudioOutput(const media_input& input)
{
CALLED();
return MediaRosterEx(this)->SetNode(AUDIO_OUTPUT, NULL, NULL, &input);
}
status_t
BMediaRoster::SetAudioOutput(const dormant_node_info& consumer)
{
CALLED();
return MediaRosterEx(this)->SetNode(AUDIO_OUTPUT, NULL, &consumer);
}
status_t
BMediaRoster::GetNodeFor(media_node_id node, media_node* clone)
{
CALLED();
if (clone == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODEID(node))
return B_MEDIA_BAD_NODE;
server_get_node_for_request request;
server_get_node_for_reply reply;
status_t rv;
request.node_id = node;
request.team = BPrivate::current_team();
rv = QueryServer(SERVER_GET_NODE_FOR, &request, sizeof(request), &reply,
sizeof(reply));
if (rv != B_OK)
return rv;
*clone = reply.clone;
return B_OK;
}
status_t
BMediaRoster::GetSystemTimeSource(media_node* clone)
{
CALLED();
status_t rv;
// TODO: need to do this in a nicer way.
rv = MediaRosterEx(this)->GetNode(SYSTEM_TIME_SOURCE, clone);
if (rv != B_OK)
return rv;
// We don't do reference counting for timesources, that's why we
// release the node immediately.
ReleaseNode(*clone);
// we need to remember to not use this node with server side reference
// counting
clone->kind |= NODE_KIND_NO_REFCOUNTING;
return B_OK;
}
status_t
BMediaRoster::ReleaseNode(const media_node& node)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
if (node.kind & NODE_KIND_NO_REFCOUNTING) {
TRACE("BMediaRoster::ReleaseNode, trying to release reference "
"counting disabled timesource, node %" B_PRId32 ", port %" B_PRId32
", team %" B_PRId32 "\n", node.node, node.port,
BPrivate::current_team());
return B_OK;
}
server_release_node_request request;
server_release_node_reply reply;
status_t rv;
request.node = node;
request.team = BPrivate::current_team();
TRACE("BMediaRoster::ReleaseNode, node %" B_PRId32 ", port %" B_PRId32
", team %" B_PRId32 "\n", node.node, node.port,
BPrivate::current_team());
rv = QueryServer(SERVER_RELEASE_NODE, &request, sizeof(request), &reply,
sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::ReleaseNode FAILED, node %" B_PRId32 ", port %"
B_PRId32 ", team %" B_PRId32 "!\n", node.node, node.port,
BPrivate::current_team());
}
return rv;
}
BTimeSource*
BMediaRoster::MakeTimeSourceFor(const media_node& forNode)
{
// MakeTimeSourceFor() returns a BTimeSource object
// corresponding to the specified node's time source.
CALLED();
if (IS_SYSTEM_TIMESOURCE(forNode)) {
// special handling for the system time source
TRACE("BMediaRoster::MakeTimeSourceFor, asked for system time "
"source\n");
return MediaRosterEx(this)->MakeTimeSourceObject(
NODE_SYSTEM_TIMESOURCE_ID);
}
if (IS_INVALID_NODE(forNode)) {
ERROR("BMediaRoster::MakeTimeSourceFor: for_node invalid, node %"
B_PRId32 ", port %" B_PRId32 ", kinds 0x%" B_PRIx32 "\n",
forNode.node, forNode.port, forNode.kind);
return NULL;
}
TRACE("BMediaRoster::MakeTimeSourceFor: node %" B_PRId32 " enter\n",
forNode.node);
node_get_timesource_request request;
node_get_timesource_reply reply;
BTimeSource *source;
status_t rv;
// ask the node to get it's current timesource id
rv = QueryPort(forNode.port, NODE_GET_TIMESOURCE, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::MakeTimeSourceFor: request failed\n");
return NULL;
}
source = MediaRosterEx(this)->MakeTimeSourceObject(reply.timesource_id);
TRACE("BMediaRoster::MakeTimeSourceFor: node %" B_PRId32 " leave\n",
forNode.node);
return source;
}
status_t
BMediaRoster::Connect(const media_source& from, const media_destination& to,
media_format* _format, media_output* _output, media_input* _input)
{
return BMediaRoster::Connect(from, to, _format, _output, _input, 0);
}
status_t
BMediaRoster::Connect(const media_source& from, const media_destination& to,
media_format* io_format, media_output* out_output, media_input* out_input,
uint32 in_flags, void* _reserved)
{
CALLED();
if (io_format == NULL || out_output == NULL || out_input == NULL)
return B_BAD_VALUE;
if (IS_INVALID_SOURCE(from)) {
ERROR("BMediaRoster::Connect: media_source invalid\n");
return B_MEDIA_BAD_SOURCE;
}
if (IS_INVALID_DESTINATION(to)) {
ERROR("BMediaRoster::Connect: media_destination invalid\n");
return B_MEDIA_BAD_DESTINATION;
}
status_t rv;
// find the output and input nodes
// TODO: isn't there a easier way?
media_node sourcenode;
media_node destnode;
rv = GetNodeFor(NodeIDFor(from.port), &sourcenode);
if (rv != B_OK) {
ERROR("BMediaRoster::Connect: Can't find source node for port %"
B_PRId32 "\n", from.port);
return B_MEDIA_BAD_SOURCE;
}
ReleaseNode(sourcenode);
rv = GetNodeFor(NodeIDFor(to.port), &destnode);
if (rv != B_OK) {
ERROR("BMediaRoster::Connect: Can't find destination node for port "
"%" B_PRId32 "\n", to.port);
return B_MEDIA_BAD_DESTINATION;
}
ReleaseNode(destnode);
if (!(sourcenode.kind & B_BUFFER_PRODUCER)) {
ERROR("BMediaRoster::Connect: source node %" B_PRId32 " is not a "
"B_BUFFER_PRODUCER\n", sourcenode.node);
return B_MEDIA_BAD_SOURCE;
}
if (!(destnode.kind & B_BUFFER_CONSUMER)) {
ERROR("BMediaRoster::Connect: destination node %" B_PRId32 " is not a "
"B_BUFFER_CONSUMER\n", destnode.node);
return B_MEDIA_BAD_DESTINATION;
}
producer_format_proposal_request request1;
producer_format_proposal_reply reply1;
PRINT_FORMAT("BMediaRoster::Connect calling "
"BBufferProducer::FormatProposal with format ", *io_format);
// BBufferProducer::FormatProposal
request1.output = from;
request1.format = *io_format;
rv = QueryPort(from.port, PRODUCER_FORMAT_PROPOSAL, &request1,
sizeof(request1), &reply1, sizeof(reply1));
if (rv != B_OK) {
ERROR("BMediaRoster::Connect: aborted after "
"BBufferProducer::FormatProposal, status = %#" B_PRIx32 "\n",rv);
return rv;
}
// reply1.format now contains the format proposed by the producer
consumer_accept_format_request request2;
consumer_accept_format_reply reply2;
PRINT_FORMAT("BMediaRoster::Connect calling "
"BBufferConsumer::AcceptFormat with format ", reply1.format);
// BBufferConsumer::AcceptFormat
request2.dest = to;
request2.format = reply1.format;
rv = QueryPort(to.port, CONSUMER_ACCEPT_FORMAT, &request2,
sizeof(request2), &reply2, sizeof(reply2));
if (rv != B_OK) {
ERROR("BMediaRoster::Connect: aborted after "
"BBufferConsumer::AcceptFormat, status = %#" B_PRIx32 "\n",rv);
return rv;
}
// reply2.format now contains the format accepted by the consumer
// BBufferProducer::PrepareToConnect
producer_prepare_to_connect_request request3;
producer_prepare_to_connect_reply reply3;
PRINT_FORMAT("BMediaRoster::Connect calling "
"BBufferProducer::PrepareToConnect with format", reply2.format);
request3.source = from;
request3.destination = to;
request3.format = reply2.format;
strcpy(request3.name, "XXX some default name"); // TODO: fix this
rv = QueryPort(from.port, PRODUCER_PREPARE_TO_CONNECT, &request3,
sizeof(request3), &reply3, sizeof(reply3));
if (rv != B_OK) {
ERROR("BMediaRoster::Connect: aborted after "
"BBufferProducer::PrepareToConnect, status = %#" B_PRIx32 "\n", rv);
return rv;
}
// reply3.format is still our pretty media format
// reply3.out_source the real source to be used for the connection
// reply3.name the name BBufferConsumer::Connected will see in the
// outInput->name argument
// BBufferConsumer::Connected
consumer_connected_request request4;
consumer_connected_reply reply4;
status_t con_status;
PRINT_FORMAT("BMediaRoster::Connect calling BBufferConsumer::Connected() "
"with format ", reply3.format);
request4.input.node = destnode;
request4.input.source = reply3.out_source;
request4.input.destination = to;
request4.input.format = reply3.format;
strcpy(request4.input.name, reply3.name);
con_status = QueryPort(to.port, CONSUMER_CONNECTED, &request4,
sizeof(request4), &reply4, sizeof(reply4));
if (con_status != B_OK) {
ERROR("BMediaRoster::Connect: aborting after "
"BBufferConsumer::Connected, status = %#" B_PRIx32 "\n",
con_status);
// we do NOT return here!
}
// con_status contains the status code to be supplied to
// BBufferProducer::Connect's status argument
// reply4.input contains the media_input that describes the connection
// from the consumer point of view
// BBufferProducer::Connect
producer_connect_request request5;
producer_connect_reply reply5;
PRINT_FORMAT("BMediaRoster::Connect calling BBufferProducer::Connect with "
"format ", reply4.input.format);
request5.error = con_status;
request5.source = reply3.out_source;
request5.destination = reply4.input.destination;
request5.format = reply4.input.format;
strcpy(request5.name, reply4.input.name);
rv = QueryPort(reply4.input.source.port, PRODUCER_CONNECT, &request5,
sizeof(request5), &reply5, sizeof(reply5));
if (con_status != B_OK) {
ERROR("BMediaRoster::Connect: aborted\n");
return con_status;
}
if (rv != B_OK) {
ERROR("BMediaRoster::Connect: aborted after BBufferProducer::Connect()"
", status = %#" B_PRIx32 "\n", rv);
return rv;
}
// reply5.name contains the name assigned to the connection by the producer
// initilize connection info
*io_format = reply4.input.format;
*out_input = reply4.input;
out_output->node = sourcenode;
out_output->source = reply4.input.source;
out_output->destination = reply4.input.destination;
out_output->format = reply4.input.format;
strcpy(out_output->name, reply5.name);
// the connection is now made
PRINT_FORMAT(" format", *io_format);
PRINT_INPUT(" input", *out_input);
PRINT_OUTPUT(" output", *out_output);
// TODO: register connection with server
// TODO: we should just send a notification, instead of republishing all
// endpoints
List<media_output> outlist;
List<media_input> inlist;
if (MediaRosterEx(this)->GetAllOutputs(out_output->node , &outlist) == B_OK)
MediaRosterEx(this)->PublishOutputs(out_output->node , &outlist);
if (MediaRosterEx(this)->GetAllInputs(out_input->node , &inlist) == B_OK)
MediaRosterEx(this)->PublishInputs(out_input->node, &inlist);
// TODO: if (mute) BBufferProducer::EnableOutput(false)
if (in_flags & B_CONNECT_MUTED) {
}
// send a notification
BPrivate::media::notifications::ConnectionMade(*out_input, *out_output,
*io_format);
return B_OK;
};
status_t
BMediaRoster::Disconnect(media_node_id source_nodeid,
const media_source& source, media_node_id destination_nodeid,
const media_destination& destination)
{
CALLED();
if (IS_INVALID_NODEID(source_nodeid)) {
ERROR("BMediaRoster::Disconnect: source media_node_id invalid\n");
return B_MEDIA_BAD_SOURCE;
}
if (IS_INVALID_NODEID(destination_nodeid)) {
ERROR("BMediaRoster::Disconnect: destination media_node_id invalid\n");
return B_MEDIA_BAD_DESTINATION;
}
if (IS_INVALID_SOURCE(source)) {
ERROR("BMediaRoster::Disconnect: media_source invalid\n");
return B_MEDIA_BAD_SOURCE;
}
if (IS_INVALID_DESTINATION(destination)) {
ERROR("BMediaRoster::Disconnect: media_destination invalid\n");
return B_MEDIA_BAD_DESTINATION;
}
producer_disconnect_request request2;
producer_disconnect_reply reply2;
consumer_disconnected_request request1;
consumer_disconnected_reply reply1;
status_t rv1, rv2;
// TODO: we should ask the server if this connection really exists
request1.source = source;
request1.destination = destination;
request2.source = source;
request2.destination = destination;
rv1 = QueryPort(source.port, PRODUCER_DISCONNECT, &request1,
sizeof(request1), &reply1, sizeof(reply1));
rv2 = QueryPort(destination.port, CONSUMER_DISCONNECTED, &request2,
sizeof(request2), &reply2, sizeof(reply2));
// TODO: unregister connection with server
// TODO: we should just send a notification, instead of republishing all
// endpoints
List<media_output> outlist;
List<media_input> inlist;
media_node sourcenode;
media_node destnode;
if (GetNodeFor(source_nodeid, &sourcenode) == B_OK) {
if (!(sourcenode.kind & B_BUFFER_PRODUCER)) {
ERROR("BMediaRoster::Disconnect: source_nodeid %" B_PRId32
" is not a B_BUFFER_PRODUCER\n", source_nodeid);
}
if (MediaRosterEx(this)->GetAllOutputs(sourcenode , &outlist) == B_OK)
MediaRosterEx(this)->PublishOutputs(sourcenode , &outlist);
ReleaseNode(sourcenode);
} else {
ERROR("BMediaRoster::Disconnect: GetNodeFor source_nodeid %" B_PRId32
" failed\n", source_nodeid);
}
if (GetNodeFor(destination_nodeid, &destnode) == B_OK) {
if (!(destnode.kind & B_BUFFER_CONSUMER)) {
ERROR("BMediaRoster::Disconnect: destination_nodeid %" B_PRId32
" is not a B_BUFFER_CONSUMER\n", destination_nodeid);
}
if (MediaRosterEx(this)->GetAllInputs(destnode , &inlist) == B_OK)
MediaRosterEx(this)->PublishInputs(destnode, &inlist);
ReleaseNode(destnode);
} else {
ERROR("BMediaRoster::Disconnect: GetNodeFor destination_nodeid %"
B_PRId32 " failed\n", destination_nodeid);
}
// send a notification
BPrivate::media::notifications::ConnectionBroken(source, destination);
return rv1 != B_OK || rv2 != B_OK ? B_ERROR : B_OK;
}
status_t
BMediaRoster::Disconnect(const media_output& output, const media_input& input)
{
if (IS_INVALID_NODEID(output.node.node)) {
printf("BMediaRoster::Disconnect: output.node.node %" B_PRId32
" invalid\n", output.node.node);
return B_MEDIA_BAD_SOURCE;
}
if (IS_INVALID_NODEID(input.node.node)) {
printf("BMediaRoster::Disconnect: input.node.node %" B_PRId32
" invalid\n", input.node.node);
return B_MEDIA_BAD_DESTINATION;
}
if (!(output.node.kind & B_BUFFER_PRODUCER)) {
printf("BMediaRoster::Disconnect: output.node.kind 0x%" B_PRIx32
" is no B_BUFFER_PRODUCER\n", output.node.kind);
return B_MEDIA_BAD_SOURCE;
}
if (!(input.node.kind & B_BUFFER_CONSUMER)) {
printf("BMediaRoster::Disconnect: input.node.kind 0x%" B_PRIx32
" is no B_BUFFER_PRODUCER\n", input.node.kind);
return B_MEDIA_BAD_DESTINATION;
}
if (input.source.port != output.source.port) {
printf("BMediaRoster::Disconnect: input.source.port %" B_PRId32
" doesn't match output.source.port %" B_PRId32 "\n",
input.source.port, output.source.port);
return B_MEDIA_BAD_SOURCE;
}
if (input.source.id != output.source.id) {
printf("BMediaRoster::Disconnect: input.source.id %" B_PRId32
" doesn't match output.source.id %" B_PRId32 "\n", input.source.id,
output.source.id);
return B_MEDIA_BAD_SOURCE;
}
if (input.destination.port != output.destination.port) {
printf("BMediaRoster::Disconnect: input.destination.port %" B_PRId32
" doesn't match output.destination.port %" B_PRId32 "\n",
input.destination.port, output.destination.port);
return B_MEDIA_BAD_DESTINATION;
}
if (input.destination.id != output.destination.id) {
printf("BMediaRoster::Disconnect: input.destination.id %" B_PRId32
" doesn't match output.destination.id %" B_PRId32 "\n",
input.destination.id, output.destination.id);
return B_MEDIA_BAD_DESTINATION;
}
return Disconnect(output.node.node, output.source, input.node.node,
input.destination);
}
status_t
BMediaRoster::StartNode(const media_node& node, bigtime_t atPerformanceTime)
{
CALLED();
if (node.node <= 0)
return B_MEDIA_BAD_NODE;
TRACE("BMediaRoster::StartNode, node %" B_PRId32 ", at perf %" B_PRId64
"\n", node.node, atPerformanceTime);
node_start_command command;
command.performance_time = atPerformanceTime;
return SendToPort(node.port, NODE_START, &command, sizeof(command));
}
status_t
BMediaRoster::StopNode(const media_node& node, bigtime_t atPerformanceTime,
bool immediate)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
TRACE("BMediaRoster::StopNode, node %" B_PRId32 ", at perf %" B_PRId64
" %s\n", node.node, atPerformanceTime, immediate ? "NOW" : "");
node_stop_command command;
command.performance_time = atPerformanceTime;
command.immediate = immediate;
return SendToPort(node.port, NODE_STOP, &command, sizeof(command));
}
status_t
BMediaRoster::SeekNode(const media_node& node, bigtime_t toMediaTime,
bigtime_t atPerformanceTime)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
TRACE("BMediaRoster::SeekNode, node %" B_PRId32 ", at perf %" B_PRId64
", to perf %" B_PRId64 "\n", node.node, atPerformanceTime, toMediaTime);
node_seek_command command;
command.media_time = toMediaTime;
command.performance_time = atPerformanceTime;
return SendToPort(node.port, NODE_SEEK, &command, sizeof(command));
}
status_t
BMediaRoster::StartTimeSource(const media_node& node, bigtime_t atRealTime)
{
CALLED();
if (IS_SYSTEM_TIMESOURCE(node)) {
// TODO: debug this
//ERROR("BMediaRoster::StartTimeSource node %" B_PRId32 " is system timesource\n", node.node);
return B_OK;
}
// if (IS_SHADOW_TIMESOURCE(node)) {
// // TODO: debug this
// ERROR("BMediaRoster::StartTimeSource node %" B_PRId32 " is shadow timesource\n", node.node);
// return B_OK;
// }
if (IS_INVALID_NODE(node)) {
ERROR("BMediaRoster::StartTimeSource node %" B_PRId32 " invalid\n",
node.node);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_TIME_SOURCE) == 0) {
ERROR("BMediaRoster::StartTimeSource node %" B_PRId32
" is no timesource\n", node.node);
return B_MEDIA_BAD_NODE;
}
TRACE("BMediaRoster::StartTimeSource, node %" B_PRId32 ", at real %"
B_PRId64 "\n", node.node, atRealTime);
BTimeSource::time_source_op_info msg;
msg.op = BTimeSource::B_TIMESOURCE_START;
msg.real_time = atRealTime;
return write_port(node.port, TIMESOURCE_OP, &msg, sizeof(msg));
}
status_t
BMediaRoster::StopTimeSource(const media_node& node, bigtime_t atRealTime,
bool immediate)
{
CALLED();
if (IS_SYSTEM_TIMESOURCE(node)) {
// TODO: debug this
//ERROR("BMediaRoster::StopTimeSource node %ld is system timesource\n", node.node);
return B_OK;
}
// if (IS_SHADOW_TIMESOURCE(node)) {
// // TODO: debug this
// ERROR("BMediaRoster::StopTimeSource node %ld is shadow timesource\n", node.node);
// return B_OK;
// }
if (IS_INVALID_NODE(node)) {
ERROR("BMediaRoster::StopTimeSource node %" B_PRId32 " invalid\n",
node.node);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_TIME_SOURCE) == 0) {
ERROR("BMediaRoster::StopTimeSource node %" B_PRId32 " is no "
"timesource\n", node.node);
return B_MEDIA_BAD_NODE;
}
TRACE("BMediaRoster::StopTimeSource, node %" B_PRId32 ", at real %" B_PRId64
" %s\n", node.node, atRealTime, immediate ? "NOW" : "");
BTimeSource::time_source_op_info msg;
msg.op = immediate ? BTimeSource::B_TIMESOURCE_STOP_IMMEDIATELY
: BTimeSource::B_TIMESOURCE_STOP;
msg.real_time = atRealTime;
return write_port(node.port, TIMESOURCE_OP, &msg, sizeof(msg));
}
status_t
BMediaRoster::SeekTimeSource(const media_node& node,
bigtime_t toPerformanceTime, bigtime_t atRealTime)
{
CALLED();
if (IS_SYSTEM_TIMESOURCE(node)) {
// TODO: debug this
// ERROR("BMediaRoster::SeekTimeSource node %ld is system timesource\n", node.node);
// you can't seek the system time source, but
// returning B_ERROR would break StampTV
return B_OK;
}
// if (IS_SHADOW_TIMESOURCE(node)) {
// // TODO: debug this
// ERROR("BMediaRoster::SeekTimeSource node %ld is shadow timesource\n", node.node);
// return B_OK;
// }
if (IS_INVALID_NODE(node)) {
ERROR("BMediaRoster::SeekTimeSource node %" B_PRId32 " invalid\n",
node.node);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_TIME_SOURCE) == 0) {
ERROR("BMediaRoster::SeekTimeSource node %" B_PRId32
" is no timesource\n", node.node);
return B_MEDIA_BAD_NODE;
}
TRACE("BMediaRoster::SeekTimeSource, node %" B_PRId32 ", at real %" B_PRId64
", to perf %" B_PRId64 "\n", node.node, atRealTime, toPerformanceTime);
BTimeSource::time_source_op_info msg;
msg.op = BTimeSource::B_TIMESOURCE_SEEK;
msg.real_time = atRealTime;
msg.performance_time = toPerformanceTime;
return write_port(node.port, TIMESOURCE_OP, &msg, sizeof(msg));
}
status_t
BMediaRoster::SyncToNode(const media_node& node, bigtime_t atTime,
bigtime_t timeout)
{
TRACE("BMediaRoster::SyncToNode, node %" B_PRId32 ", at real %" B_PRId64
", at timeout %" B_PRId64 "\n", node.node, atTime, timeout);
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
port_id waitPort = create_port(1, "SyncToNode wait port");
if (waitPort < B_OK)
return waitPort;
node_sync_to_request request;
node_sync_to_reply reply;
request.performance_time = atTime;
request.port = waitPort;
status_t status = QueryPort(node.port, NODE_SYNC_TO, &request,
sizeof(request), &reply, sizeof(reply));
if (status == B_OK) {
ssize_t readSize = read_port_etc(waitPort, NULL, &status,
sizeof(status), B_TIMEOUT, timeout);
if (readSize < 0)
status = readSize;
}
close_port(waitPort);
delete_port(waitPort);
return status;
}
status_t
BMediaRoster::SetRunModeNode(const media_node& node, BMediaNode::run_mode mode)
{
TRACE("BMediaRoster::SetRunModeNode, node %" B_PRId32 ", mode %d\n",
node.node, mode);
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
node_set_run_mode_command msg;
msg.mode = mode;
return write_port(node.port, NODE_SET_RUN_MODE, &msg, sizeof(msg));
}
status_t
BMediaRoster::PrerollNode(const media_node& node)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
char dummy;
return write_port(node.port, NODE_PREROLL, &dummy, sizeof(dummy));
}
status_t
BMediaRoster::RollNode(const media_node& node, bigtime_t startPerformance,
bigtime_t stopPerformance, bigtime_t atMediaTime)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
TRACE("BMediaRoster::RollNode, node %" B_PRId32 ", at start perf %"
B_PRId64 ", at stop perf %" B_PRId64 ", at media time %"
B_PRId64 "\n", node.node, startPerformance,
stopPerformance, atMediaTime);
node_roll_command command;
command.start_performance_time = startPerformance;
command.stop_performance_time = stopPerformance;
command.seek_media_time = atMediaTime;
return write_port(node.port, NODE_ROLL, &command, sizeof(command));
}
status_t
BMediaRoster::SetProducerRunModeDelay(const media_node& node,
bigtime_t delay, BMediaNode::run_mode mode)
{
TRACE("BMediaRoster::SetProducerRunModeDelay, node %" B_PRId32 ", delay %"
B_PRId64 ", mode %d\n", node.node, delay, mode);
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
if ((node.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
producer_set_run_mode_delay_command command;
command.mode = mode;
command.delay = delay;
return SendToPort(node.port, PRODUCER_SET_RUN_MODE_DELAY, &command,
sizeof(command));
}
status_t
BMediaRoster::SetProducerRate(const media_node& producer, int32 numer,
int32 denom)
{
CALLED();
if (IS_INVALID_NODE(producer))
return B_MEDIA_BAD_NODE;
if ((producer.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
producer_set_play_rate_request request;
request.numer = numer;
request.denom = denom;
status_t status = write_port(producer.node, PRODUCER_SET_PLAY_RATE,
&request, sizeof(request));
if (status != B_OK)
return status;
producer_set_play_rate_reply reply;
int32 code;
status = read_port(request.reply_port, &code, &reply, sizeof(reply));
return status < B_OK ? status : reply.result;
}
/*! Nodes will have available inputs/outputs as long as they are capable
of accepting more connections. The node may create an additional
output or input as the currently available is taken into usage.
*/
status_t
BMediaRoster::GetLiveNodeInfo(const media_node& node,
live_node_info* out_live_info)
{
CALLED();
if (out_live_info == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
server_get_live_node_info_request request;
server_get_live_node_info_reply reply;
status_t rv;
request.node = node;
rv = QueryServer(SERVER_GET_LIVE_NODE_INFO, &request, sizeof(request),
&reply, sizeof(reply));
if (rv != B_OK)
return rv;
*out_live_info = reply.live_info;
return B_OK;
}
status_t
BMediaRoster::GetLiveNodes(live_node_info* liveNodes, int32* _totalCount,
const media_format* hasInput, const media_format* hasOutput,
const char* name, uint64 nodeKinds)
{
CALLED();
if (liveNodes == NULL || _totalCount == NULL || *_totalCount <= 0)
return B_BAD_VALUE;
// TODO: we also support the wildcard search as GetDormantNodes does.
// This needs to be documented
server_get_live_nodes_request request;
request.team = BPrivate::current_team();
request.max_count = *_totalCount;
request.has_input = hasInput != NULL;
if (hasInput != NULL) {
// TODO: we should not make a flat copy of media_format
request.input_format = *hasInput;
}
request.has_output = hasOutput != NULL;
if (hasOutput != NULL) {
// TODO: we should not make a flat copy of media_format
request.output_format = *hasOutput;
}
request.has_name = name != NULL;
if (name != NULL)
strlcpy(request.name, name, sizeof(request.name));
request.require_kinds = nodeKinds;
server_get_live_nodes_reply reply;
status_t status = QueryServer(SERVER_GET_LIVE_NODES, &request,
sizeof(request), &reply, sizeof(reply));
if (status != B_OK) {
ERROR("BMediaRoster::GetLiveNodes failed querying server: %s\n",
strerror(status));
*_totalCount = 0;
return status;
}
const live_node_info* info;
if (reply.area >= 0)
info = (live_node_info*)reply.address;
else
info = reply.live_info;
for (int32 i = 0; i < reply.count; i++)
liveNodes[i] = info[i];
if (reply.area >= 0)
delete_area(reply.area);
*_totalCount = reply.count;
return B_OK;
}
status_t
BMediaRoster::GetFreeInputsFor(const media_node& node,
media_input * out_free_inputs, int32 buf_num_inputs,
int32 * out_total_count, media_type filter_type)
{
CALLED();
if (IS_INVALID_NODE(node)) {
ERROR("BMediaRoster::GetFreeInputsFor: node %" B_PRId32 ", port %"
B_PRId32 " invalid\n", node.node, node.port);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_BUFFER_CONSUMER) == 0) {
ERROR("BMediaRoster::GetFreeInputsFor: node %" B_PRId32 ", port %"
B_PRId32 " is not a consumer\n", node.node, node.port);
return B_MEDIA_BAD_NODE;
}
if (out_free_inputs == NULL || out_total_count == NULL)
return B_BAD_VALUE;
List<media_input> list;
media_input *input;
status_t rv;
*out_total_count = 0;
rv = MediaRosterEx(this)->GetAllInputs(node, &list);
if (B_OK != rv)
return rv;
PRINT(4, "BMediaRoster::GetFreeInputsFor node %" B_PRId32 ", max %" B_PRId32
", filter-type %" B_PRId32 "\n", node.node, buf_num_inputs,
filter_type);
int32 i;
for (i = 0, list.Rewind(); list.GetNext(&input);) {
if (filter_type != B_MEDIA_UNKNOWN_TYPE
&& filter_type != input->format.type) {
// media_type used, but doesn't match
continue;
}
if (input->source != media_source::null) {
// consumer source already connected
continue;
}
out_free_inputs[i] = *input;
*out_total_count += 1;
buf_num_inputs -= 1;
#if DEBUG >= 3
PRINT_OUTPUT(" input", out_free_inputs[i]);
#endif
if (buf_num_inputs == 0)
break;
i++;
}
MediaRosterEx(this)->PublishInputs(node, &list);
return B_OK;
}
status_t
BMediaRoster::GetConnectedInputsFor(const media_node& node,
media_input* out_active_inputs, int32 buf_num_inputs,
int32* out_total_count)
{
CALLED();
if (IS_INVALID_NODE(node) || (node.kind & B_BUFFER_CONSUMER) == 0)
return B_MEDIA_BAD_NODE;
if (out_active_inputs == NULL || out_total_count == NULL)
return B_BAD_VALUE;
List<media_input> list;
media_input *input;
status_t rv;
*out_total_count = 0;
rv = MediaRosterEx(this)->GetAllInputs(node, &list);
if (B_OK != rv)
return rv;
PRINT(4, "BMediaRoster::GetConnectedInputsFor node %" B_PRId32 ", max %"
B_PRId32 "\n", node.node, buf_num_inputs);
int32 i;
for (i = 0, list.Rewind(); list.GetNext(&input);) {
if (input->source == media_source::null)
continue; // consumer source not connected
out_active_inputs[i] = *input;
*out_total_count += 1;
buf_num_inputs -= 1;
#if DEBUG >= 3
PRINT_OUTPUT(" input ", out_active_inputs[i]);
#endif
if (buf_num_inputs == 0)
break;
i++;
}
MediaRosterEx(this)->PublishInputs(node, &list);
return B_OK;
}
status_t
BMediaRoster::GetAllInputsFor(const media_node& node, media_input* out_inputs,
int32 buf_num_inputs, int32* out_total_count)
{
CALLED();
if (IS_INVALID_NODE(node) || (node.kind & B_BUFFER_CONSUMER) == 0)
return B_MEDIA_BAD_NODE;
if (out_inputs == NULL || out_total_count == NULL)
return B_BAD_VALUE;
List<media_input> list;
media_input *input;
status_t rv;
*out_total_count = 0;
rv = MediaRosterEx(this)->GetAllInputs(node, &list);
if (B_OK != rv)
return rv;
PRINT(4, "BMediaRoster::GetAllInputsFor node %" B_PRId32 ", max %" B_PRId32
"\n", node.node, buf_num_inputs);
int32 i;
for (i = 0, list.Rewind(); list.GetNext(&input); i++) {
out_inputs[i] = *input;
*out_total_count += 1;
buf_num_inputs -= 1;
#if DEBUG >= 3
PRINT_OUTPUT(" input ", out_inputs[i]);
#endif
if (buf_num_inputs == 0)
break;
}
MediaRosterEx(this)->PublishInputs(node, &list);
return B_OK;
}
status_t
BMediaRoster::GetFreeOutputsFor(const media_node& node,
media_output* out_free_outputs, int32 buf_num_outputs,
int32* out_total_count, media_type filter_type)
{
CALLED();
if (IS_INVALID_NODE(node) || (node.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
if (out_free_outputs == NULL || out_total_count == NULL)
return B_BAD_VALUE;
List<media_output> list;
media_output *output;
status_t rv;
*out_total_count = 0;
rv = MediaRosterEx(this)->GetAllOutputs(node, &list);
if (B_OK != rv)
return rv;
PRINT(4, "BMediaRoster::GetFreeOutputsFor node %" B_PRId32 ", max %"
B_PRId32 ", filter-type %" B_PRId32 "\n", node.node, buf_num_outputs,
filter_type);
int32 i;
for (i = 0, list.Rewind(); list.GetNext(&output);) {
if (filter_type != B_MEDIA_UNKNOWN_TYPE
&& filter_type != output->format.type) {
// media_type used, but doesn't match
continue;
}
if (output->destination != media_destination::null) {
// producer destination already connected
continue;
}
out_free_outputs[i] = *output;
*out_total_count += 1;
buf_num_outputs -= 1;
#if DEBUG >= 3
PRINT_OUTPUT(" output ", out_free_outputs[i]);
#endif
if (buf_num_outputs == 0)
break;
i++;
}
MediaRosterEx(this)->PublishOutputs(node, &list);
return B_OK;
}
status_t
BMediaRoster::GetConnectedOutputsFor(const media_node& node,
media_output* out_active_outputs, int32 buf_num_outputs,
int32* out_total_count)
{
CALLED();
if (IS_INVALID_NODE(node) || (node.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
if (out_active_outputs == NULL || out_total_count == NULL)
return B_BAD_VALUE;
List<media_output> list;
media_output *output;
status_t rv;
*out_total_count = 0;
rv = MediaRosterEx(this)->GetAllOutputs(node, &list);
if (B_OK != rv)
return rv;
PRINT(4, "BMediaRoster::GetConnectedOutputsFor node %" B_PRId32 ", max %"
B_PRId32 "\n", node.node, buf_num_outputs);
int32 i;
for (i = 0, list.Rewind(); list.GetNext(&output);) {
if (output->destination == media_destination::null) {
// producer destination not connected
continue;
}
out_active_outputs[i] = *output;
*out_total_count += 1;
buf_num_outputs -= 1;
#if DEBUG >= 3
PRINT_OUTPUT(" output ", out_active_outputs[i]);
#endif
if (buf_num_outputs == 0)
break;
i++;
}
MediaRosterEx(this)->PublishOutputs(node, &list);
return B_OK;
}
status_t
BMediaRoster::GetAllOutputsFor(const media_node& node,
media_output* out_outputs, int32 buf_num_outputs, int32* out_total_count)
{
CALLED();
if (IS_INVALID_NODE(node) || (node.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
if (out_outputs == NULL || out_total_count == NULL)
return B_BAD_VALUE;
List<media_output> list;
media_output *output;
status_t rv;
*out_total_count = 0;
rv = MediaRosterEx(this)->GetAllOutputs(node, &list);
if (B_OK != rv)
return rv;
PRINT(4, "BMediaRoster::GetAllOutputsFor node %" B_PRId32 ", max %" B_PRId32
"\n", node.node, buf_num_outputs);
int32 i;
for (i = 0, list.Rewind(); list.GetNext(&output); i++) {
out_outputs[i] = *output;
*out_total_count += 1;
buf_num_outputs -= 1;
#if DEBUG >= 3
PRINT_OUTPUT(" output ", out_outputs[i]);
#endif
if (buf_num_outputs == 0)
break;
}
MediaRosterEx(this)->PublishOutputs(node, &list);
return B_OK;
}
status_t
BMediaRoster::StartWatching(const BMessenger& where)
{
CALLED();
if (!where.IsValid()) {
ERROR("BMediaRoster::StartWatching: messenger invalid!\n");
return B_BAD_VALUE;
}
return BPrivate::media::notifications::Register(where, media_node::null,
B_MEDIA_WILDCARD);
}
status_t
BMediaRoster::StartWatching(const BMessenger & where, int32 notificationType)
{
CALLED();
if (!where.IsValid()) {
ERROR("BMediaRoster::StartWatching: messenger invalid!\n");
return B_BAD_VALUE;
}
if (!BPrivate::media::notifications::IsValidNotificationRequest(false,
notificationType)) {
ERROR("BMediaRoster::StartWatching: notificationType invalid!\n");
return B_BAD_VALUE;
}
// NOTE: we support only explicitly B_MEDIA_SERVER_STARTED/QUIT
// notifications. This should be cleared in documentation.
return BPrivate::media::notifications::Register(where, media_node::null,
notificationType);
}
status_t
BMediaRoster::StartWatching(const BMessenger& where, const media_node& node,
int32 notificationType)
{
CALLED();
if (!where.IsValid()) {
ERROR("BMediaRoster::StartWatching: messenger invalid!\n");
return B_BAD_VALUE;
}
if (IS_INVALID_NODE(node)) {
ERROR("BMediaRoster::StartWatching: node invalid!\n");
return B_MEDIA_BAD_NODE;
}
if (!BPrivate::media::notifications::IsValidNotificationRequest(true,
notificationType)) {
ERROR("BMediaRoster::StartWatching: notificationType invalid!\n");
return B_BAD_VALUE;
}
return BPrivate::media::notifications::Register(where, node,
notificationType);
}
status_t
BMediaRoster::StopWatching(const BMessenger& where)
{
CALLED();
// messenger may already be invalid, so we don't check this
return BPrivate::media::notifications::Unregister(where, media_node::null,
B_MEDIA_WILDCARD);
}
status_t
BMediaRoster::StopWatching(const BMessenger& where, int32 notificationType)
{
CALLED();
// messenger may already be invalid, so we don't check this
if (!BPrivate::media::notifications::IsValidNotificationRequest(false,
notificationType)) {
ERROR("BMediaRoster::StopWatching: notificationType invalid!\n");
return B_BAD_VALUE;
}
return BPrivate::media::notifications::Unregister(where, media_node::null,
notificationType);
}
status_t
BMediaRoster::StopWatching(const BMessenger& where, const media_node& node,
int32 notificationType)
{
CALLED();
// messenger may already be invalid, so we don't check this
if (IS_INVALID_NODE(node)) {
ERROR("BMediaRoster::StopWatching: node invalid!\n");
return B_MEDIA_BAD_NODE;
}
if (!BPrivate::media::notifications::IsValidNotificationRequest(true,
notificationType)) {
ERROR("BMediaRoster::StopWatching: notificationType invalid!\n");
return B_BAD_VALUE;
}
return BPrivate::media::notifications::Unregister(where, node,
notificationType);
}
status_t
BMediaRoster::RegisterNode(BMediaNode* node)
{
CALLED();
// addon-id = -1 (unused), addon-flavor-id = 0 (unused, too)
return MediaRosterEx(this)->RegisterNode(node, -1, 0);
}
status_t
BMediaRosterEx::RegisterNode(BMediaNode* node, media_addon_id addOnID,
int32 flavorID)
{
CALLED();
if (node == NULL)
return B_BAD_VALUE;
// some sanity check
// I'm not sure if the media kit warrants to call BMediaNode::AddOn() here.
// Perhaps we don't need it.
DEBUG_ONLY(
int32 testFlavorID;
BMediaAddOn* addon = node->AddOn(&testFlavorID);
ASSERT(addOnID == (addon != NULL ? addon->AddonID() : -1));
// ASSERT(flavorID == testFlavorID);
);
server_register_node_request request;
server_register_node_reply reply;
request.add_on_id = addOnID;
request.flavor_id = flavorID;
strcpy(request.name, node->Name());
request.kinds = node->Kinds();
request.port = node->ControlPort();
request.team = BPrivate::current_team();
request.timesource_id = node->fTimeSourceID;
TRACE("BMediaRoster::RegisterNode: sending SERVER_REGISTER_NODE: port "
"%" B_PRId32 ", kinds 0x%" B_PRIx64 ", team %" B_PRId32 ", name '%s'\n",
request.port, request.kinds, request.team, request.name);
status_t status = QueryServer(SERVER_REGISTER_NODE, &request,
sizeof(request), &reply, sizeof(reply));
if (status != B_OK) {
ERROR("BMediaRoster::RegisterNode: failed to register node %s: %s\n",
node->Name(), strerror(status));
return status;
}
TRACE("BMediaRoster::RegisterNode: QueryServer SERVER_REGISTER_NODE "
"finished\n");
// we are a friend class of BMediaNode and initialize this member variable
node->fNodeID = reply.node_id;
ASSERT(reply.node_id == node->Node().node);
ASSERT(reply.node_id == node->ID());
// if the BMediaNode also inherits from BTimeSource, we need to call
// BTimeSource::FinishCreate()
if ((node->Kinds() & B_TIME_SOURCE) != 0) {
if (BTimeSource* timeSource = dynamic_cast<BTimeSource*>(node))
timeSource->FinishCreate();
}
// call the callback
node->NodeRegistered();
TRACE("BMediaRoster::RegisterNode: NodeRegistered callback finished\n");
TRACE("BMediaRoster::RegisterNode: publishing inputs/outputs\n");
// register existing inputs and outputs with the
// media_server, this allows GetLiveNodes() to work
// with created, but unconnected nodes.
// The node control loop might not be running, or might deadlock
// if we send a message and wait for a reply here.
// We have a pointer to the node, and thus call the functions directly
if ((node->Kinds() & B_BUFFER_PRODUCER) != 0) {
if (BBufferProducer* producer = dynamic_cast<BBufferProducer*>(node)) {
List<media_output> list;
if (GetAllOutputs(producer, &list) == B_OK)
PublishOutputs(node->Node(), &list);
}
}
if ((node->Kinds() & B_BUFFER_CONSUMER) != 0) {
if (BBufferConsumer* consumer = dynamic_cast<BBufferConsumer*>(node)) {
List<media_input> list;
if (GetAllInputs(consumer, &list) == B_OK)
PublishInputs(node->Node(), &list);
}
}
TRACE("BMediaRoster::RegisterNode: sending NodesCreated\n");
BPrivate::media::notifications::NodesCreated(&reply.node_id, 1);
TRACE("BMediaRoster::RegisterNode: finished\n");
/*
TRACE("BMediaRoster::RegisterNode: registered node name '%s', id %ld,
addon %ld, flavor %ld\n", node->Name(), node->ID(), addOnID, flavorID);
TRACE("BMediaRoster::RegisterNode: node this %p\n", node);
TRACE("BMediaRoster::RegisterNode: node fConsumerThis %p\n",
node->fConsumerThis);
TRACE("BMediaRoster::RegisterNode: node fProducerThis %p\n",
node->fProducerThis);
TRACE("BMediaRoster::RegisterNode: node fFileInterfaceThis %p\n",
node->fFileInterfaceThis);
TRACE("BMediaRoster::RegisterNode: node fControllableThis %p\n",
node->fControllableThis);
TRACE("BMediaRoster::RegisterNode: node fTimeSourceThis %p\n",
node->fTimeSourceThis);
*/
return B_OK;
}
status_t
BMediaRoster::UnregisterNode(BMediaNode* node)
{
CALLED();
if (node == NULL)
return B_BAD_VALUE;
TRACE("BMediaRoster::UnregisterNode %"
B_PRId32 " (%p)\n", node->ID(), node);
if ((node->fKinds & NODE_KIND_NO_REFCOUNTING) !=0) {
TRACE("BMediaRoster::UnregisterNode, trying to unregister reference "
"counting disabled timesource, node %"
B_PRId32 " , port %" B_PRId32 " , team %" B_PRId32 "\n",
node->ID(), node->ControlPort(), BPrivate::current_team());
return B_OK;
}
if (node->ID() == NODE_UNREGISTERED_ID) {
PRINT(1, "Warning: BMediaRoster::UnregisterNode: node id %ld, name "
"'%s' already unregistered\n", node->ID(), node->Name());
return B_OK;
}
if (node->fRefCount != 0) {
PRINT(1, "Warning: BMediaRoster::UnregisterNode: node id %ld, name "
"'%s' has local reference count of %ld\n", node->ID(), node->Name(),
node->fRefCount);
// no return here, we continue and unregister!
}
// Calling BMediaAddOn::GetConfigurationFor(BMediaNode *node,
// BMessage *config) if this node was instanciated by an add-on needs to
// be done *somewhere*
// We can't do it here because it is already to late (destructor of the node
// might have been called).
server_unregister_node_request request;
request.node_id = node->ID();
request.team = BPrivate::current_team();
// send a notification
BPrivate::media::notifications::NodesDeleted(&request.node_id, 1);
server_unregister_node_reply reply;
reply.add_on_id = -1;
status_t status = QueryServer(SERVER_UNREGISTER_NODE, &request,
sizeof(request), &reply, sizeof(reply));
if (status != B_OK) {
ERROR("BMediaRoster::UnregisterNode: failed to unregister node id %"
B_PRId32 ", name '%s': %s\n", node->ID(), node->Name(),
strerror(status));
BMediaAddOn *addon = node->AddOn(&reply.flavor_id);
if (addon != NULL)
reply.add_on_id = addon->AddonID();
}
if (reply.add_on_id != -1) {
// TODO: this doesn't look right
// Small problem here, we can't use DormantNodeManager::PutAddOn(), as
// UnregisterNode() is called by a dormant node itself (by the
// destructor).
// The add-on that contains the node needs to remain in memory until the
// destructor execution is finished.
// DormantNodeManager::PutAddOnDelayed() will delay unloading.
gDormantNodeManager->PutAddOnDelayed(reply.add_on_id);
status = MediaRosterEx(this)->DecrementAddonFlavorInstancesCount(
reply.add_on_id, reply.flavor_id);
if (status != B_OK) {
ERROR("BMediaRoster::UnregisterNode: "
"DecrementAddonFlavorInstancesCount() failed\n");
// this is really a problem, but we can't fail now
}
}
// we are a friend class of BMediaNode and invalidate this member variable
node->fNodeID = NODE_UNREGISTERED_ID;
return status;
}
//! Thread safe for multiple calls to Roster()
/*static*/ BMediaRoster*
BMediaRoster::Roster(status_t* out_error)
{
BAutolock lock(sInitLocker);
if (be_app == NULL)
TRACE("Warning! You should have a valid BApplication.");
if (!lock.IsLocked())
return NULL;
if (out_error)
*out_error = B_OK;
if (sDefaultInstance == NULL) {
status_t err;
sDefaultInstance = new (std::nothrow) BMediaRosterEx(&err);
if (sDefaultInstance == NULL)
err = B_NO_MEMORY;
else if (err != B_OK) {
if (sDefaultInstance) {
sDefaultInstance->Lock();
sDefaultInstance->Quit();
sDefaultInstance = NULL;
}
if (out_error)
*out_error = err;
} else if (be_app != NULL) {
be_app->RegisterLooper(sDefaultInstance);
}
}
return sDefaultInstance;
}
/*static*/ BMediaRoster*
BMediaRoster::CurrentRoster()
{
return sDefaultInstance;
}
status_t
BMediaRoster::SetTimeSourceFor(media_node_id node, media_node_id time_source)
{
CALLED();
if (IS_INVALID_NODEID(node) || IS_INVALID_NODEID(time_source))
return B_BAD_VALUE;
media_node clone;
// We need to get a clone of the node to have a port id
status_t result = GetNodeFor(node, &clone);
if (result == B_OK) {
// We just send the request to set time_source-id as
// timesource to the node, the NODE_SET_TIMESOURCE handler
// code will do the real assignment.
result = B_OK;
node_set_timesource_command cmd;
cmd.timesource_id = time_source;
result = SendToPort(clone.port, NODE_SET_TIMESOURCE,
&cmd, sizeof(cmd));
if (result != B_OK) {
ERROR("BMediaRoster::SetTimeSourceFor"
"sending NODE_SET_TIMESOURCE failed, node id %"
B_PRId32 "\n", clone.node);
}
// We release the clone
result = ReleaseNode(clone);
if (result != B_OK) {
ERROR("BMediaRoster::SetTimeSourceFor, ReleaseNode failed,"
" node id %" B_PRId32 "\n", clone.node);
}
} else {
ERROR("BMediaRoster::SetTimeSourceFor GetCloneForID failed, "
"node id %" B_PRId32 "\n", node);
}
if (result == B_OK) {
// Notify the server
server_set_node_timesource_request request;
server_set_node_timesource_reply reply;
request.node_id = node;
request.timesource_id = time_source;
result = QueryServer(SERVER_SET_NODE_TIMESOURCE, &request,
sizeof(request), &reply, sizeof(reply));
if (result != B_OK) {
ERROR("BMediaRoster::SetTimeSourceFor, sending NODE_SET_TIMESOURCE "
"failed, node id %" B_PRId32 "\n", node);
} else {
TRACE("BMediaRoster::SetTimeSourceFor: node %" B_PRId32 " time source %"
B_PRId32 " OK\n", node, time_source);
}
}
return result;
}
status_t
BMediaRoster::GetParameterWebFor(const media_node& node, BParameterWeb** _web)
{
CALLED();
if (_web == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
if ((node.kind & B_CONTROLLABLE) == 0)
return B_MEDIA_BAD_NODE;
controllable_get_parameter_web_request request;
controllable_get_parameter_web_reply reply;
int32 requestsize[] = {B_PAGE_SIZE, 4 * B_PAGE_SIZE, 16 * B_PAGE_SIZE,
64 * B_PAGE_SIZE, 128 * B_PAGE_SIZE, 256 * B_PAGE_SIZE, 0};
int32 size;
// TODO: it might be better to query the node for the (current) parameter
// size first
for (int i = 0; (size = requestsize[i]) != 0; i++) {
status_t rv;
area_id area;
void *data;
area = create_area("parameter web data", &data, B_ANY_ADDRESS, size,
B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (area < B_OK) {
ERROR("BMediaRoster::GetParameterWebFor couldn't create area of "
"size %" B_PRId32 "\n", size);
return B_ERROR;
}
request.max_size = size;
request.area = area;
rv = QueryPort(node.port, CONTROLLABLE_GET_PARAMETER_WEB, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::GetParameterWebFor "
"CONTROLLABLE_GET_PARAMETER_WEB failed\n");
delete_area(area);
return B_ERROR;
}
if (reply.size == 0) {
// no parameter web available
// TODO: should we return an error?
ERROR("BMediaRoster::GetParameterWebFor node %" B_PRId32
" has no parameter web\n", node.node);
*_web = new (std::nothrow) BParameterWeb();
delete_area(area);
return *_web != NULL ? B_OK : B_NO_MEMORY;
}
if (reply.size > 0) {
// we got a flattened parameter web!
BParameterWeb* web = new (std::nothrow) BParameterWeb();
if (web == NULL)
rv = B_NO_MEMORY;
else {
rv = web->Unflatten(reply.code, data, reply.size);
if (rv != B_OK) {
ERROR("BMediaRoster::GetParameterWebFor Unflatten failed, "
"%s\n", strerror(rv));
delete web;
} else
*_web = web;
}
delete_area(area);
return rv;
}
delete_area(area);
ASSERT(reply.size == -1);
// parameter web data was too large
// loop and try a larger size
}
ERROR("BMediaRoster::GetParameterWebFor node %" B_PRId32 " has no "
"parameter web larger than %" B_PRId32 "\n", node.node, size);
return B_ERROR;
}
status_t
BMediaRoster::StartControlPanel(const media_node& node, BMessenger* _messenger)
{
CALLED();
controllable_start_control_panel_request request;
controllable_start_control_panel_reply reply;
request.node = node;
status_t rv;
rv = QueryPort(node.port, CONTROLLABLE_START_CONTROL_PANEL, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
if (reply.team != -1 && _messenger != NULL)
*_messenger = BMessenger(NULL, reply.team);
return B_OK;
}
status_t
BMediaRoster::GetDormantNodes(dormant_node_info* _info, int32* _count,
const media_format* hasInput, const media_format* hasOutput,
const char* name, uint64 requireKinds, uint64 denyKinds)
{
CALLED();
if (_info == NULL || _count == NULL || *_count <= 0)
return B_BAD_VALUE;
server_get_dormant_nodes_request request;
request.max_count = *_count;
request.has_input = hasInput != NULL;
if (hasInput != NULL) {
// TODO: we should not make a flat copy of media_format
request.input_format = *hasInput;
}
request.has_output = hasOutput != NULL;
if (hasOutput != NULL) {
// TODO: we should not make a flat copy of media_format
request.output_format = *hasOutput;
}
request.has_name = name != NULL;
if (name != NULL)
strlcpy(request.name, name, sizeof(request.name));
request.require_kinds = requireKinds;
request.deny_kinds = denyKinds;
server_get_dormant_nodes_reply reply;
status_t status = QueryServer(SERVER_GET_DORMANT_NODES, &request,
sizeof(request), &reply, sizeof(reply));
if (status != B_OK)
return status;
*_count = reply.count;
if (reply.count > 0) {
int32 code;
status = read_port(request.reply_port, &code, _info,
reply.count * sizeof(dormant_node_info));
if (status < B_OK)
reply.result = status;
}
return reply.result;
}
/*! This function is used to do the real work of instantiating a dormant node.
It is either called by the media_addon_server to instantiate a global node,
or it gets called from BMediaRoster::InstantiateDormantNode() to create a
local one.
Checks concerning global/local are not done here.
*/
status_t
BMediaRosterEx::InstantiateDormantNode(media_addon_id addonID, int32 flavorID,
team_id creator, media_node *_node)
{
// This function is always called from the correct context, if the node
// is supposed to be global, it is called from the media_addon_server.
// if B_FLAVOR_IS_GLOBAL, we need to use the BMediaAddOn object that
// resides in the media_addon_server
// RegisterNode() must be called for nodes instantiated from add-ons,
// since the media kit warrants that it's done automatically.
// addonID Indicates the ID number of the media add-on in which the
// node resides.
// flavorID Indicates the internal ID number that the add-on uses to
// identify the flavor, this is the number that was published
// by BMediaAddOn::GetFlavorAt() in the
// flavor_info::internal_id field.
// creator The creator team is -1 if nodes are created locally. If
// created globally, it will contain (while called in
// media_addon_server context) the team-id of the team that
// requested the instantiation.
TRACE("BMediaRosterEx::InstantiateDormantNode: addonID %" B_PRId32
", flavorID %" B_PRId32 "\n", addonID, flavorID);
// Get flavor_info from the server
dormant_flavor_info info;
status_t rv;
rv = GetDormantFlavorInfo(addonID, flavorID, &info);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode error: failed to get "
"dormant_flavor_info for addon-id %" B_PRId32 ", flavor-id %"
B_PRId32 "\n", addonID, flavorID);
return B_ERROR;
}
ASSERT(info.internal_id == flavorID);
// load the BMediaAddOn object
BMediaAddOn* addon = gDormantNodeManager->GetAddOn(addonID);
if (addon == NULL) {
ERROR("BMediaRosterEx::InstantiateDormantNode: GetAddon failed\n");
return B_ERROR;
}
// Now we need to try to increment the use count of this addon flavor
// in the server. This can fail if the total number instances of this
// flavor is limited.
rv = IncrementAddonFlavorInstancesCount(addonID, flavorID);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode error: can't create "
"more nodes for addon-id %" B_PRId32 ", flavor-id %" B_PRId32 "\n",
addonID, flavorID);
// Put the addon back into the pool
gDormantNodeManager->PutAddOn(addonID);
return B_ERROR;
}
BMessage config;
rv = LoadNodeConfiguration(addonID, flavorID, &config);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode: couldn't load "
"configuration for addon-id %" B_PRId32 ", flavor-id %" B_PRId32
"\n", addonID, flavorID);
// do not return, this is a minor problem, not a reason to fail
}
status_t status = B_OK;
BMediaNode* node = addon->InstantiateNodeFor(&info, &config, &status);
if (node == NULL) {
ERROR("BMediaRosterEx::InstantiateDormantNode: InstantiateNodeFor "
"failed\n");
// Put the addon back into the pool
gDormantNodeManager->PutAddOn(addonID);
// We must decrement the use count of this addon flavor in the
// server to compensate the increment done in the beginning.
rv = DecrementAddonFlavorInstancesCount(addonID, flavorID);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode: DecrementAddon"
"FlavorInstancesCount failed\n");
}
return status != B_OK ? status : B_ERROR;
}
rv = RegisterNode(node, addonID, flavorID);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode: RegisterNode failed\n");
delete node;
// Put the addon back into the pool
gDormantNodeManager->PutAddOn(addonID);
// We must decrement the use count of this addon flavor in the
// server to compensate the increment done in the beginning.
rv = DecrementAddonFlavorInstancesCount(addonID, flavorID);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode: DecrementAddon"
"FlavorInstancesCount failed\n");
}
return B_ERROR;
}
if (creator != -1) {
// send a message to the server to assign team "creator" as creator
// of node "node->ID()"
printf("!!! BMediaRosterEx::InstantiateDormantNode assigning team %"
B_PRId32 " as creator of node %" B_PRId32 "\n", creator,
node->ID());
rv = MediaRosterEx(this)->SetNodeCreator(node->ID(), creator);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode failed to assign "
"team %" B_PRId32 " as creator of node %" B_PRId32 "\n",
creator, node->ID());
// do not return, this is a minor problem, not a reason to fail
}
}
// RegisterNode() does remember the add-on id in the server
// and UnregisterNode() will call DormantNodeManager::PutAddon()
// when the node is unregistered.
*_node = node->Node();
TRACE("BMediaRosterEx::InstantiateDormantNode: addon-id %" B_PRId32
", flavor_id %" B_PRId32 " instanciated as node %" B_PRId32 ", port %"
B_PRId32 " in team %" B_PRId32 "\n", addonID, flavorID, _node->node,
_node->port, BPrivate::current_team());
return B_OK;
}
status_t
BMediaRoster::InstantiateDormantNode(const dormant_node_info& info,
media_node* _node, uint32 flags)
{
CALLED();
if (_node == NULL)
return B_BAD_VALUE;
if (info.addon <= B_OK) {
ERROR("BMediaRoster::InstantiateDormantNode error: addon-id %" B_PRId32
" invalid.\n", info.addon);
return B_BAD_VALUE;
}
printf("BMediaRoster::InstantiateDormantNode: addon-id %" B_PRId32
", flavor_id %" B_PRId32 ", flags 0x%" B_PRIx32 "\n", info.addon,
info.flavor_id, flags);
// Get flavor_info from the server
// TODO: this is a little overhead, as we get the full blown
// dormant_flavor_info,
// TODO: but only need the flags.
dormant_flavor_info flavorInfo;
status_t rv;
rv = MediaRosterEx(this)->GetDormantFlavorInfo(info.addon, info.flavor_id,
&flavorInfo);
if (rv != B_OK) {
ERROR("BMediaRoster::InstantiateDormantNode: failed to get "
"dormant_flavor_info for addon-id %" B_PRId32 ", flavor-id %"
B_PRId32 "\n", info.addon, info.flavor_id);
return B_NAME_NOT_FOUND;
}
ASSERT(flavorInfo.internal_id == info.flavor_id);
#if DEBUG
printf("BMediaRoster::InstantiateDormantNode: name \"%s\", info \"%s\", "
"flavor_flags 0x%" B_PRIx32 ", internal_id %" B_PRId32
", possible_count %" B_PRId32 "\n", flavorInfo.name, flavorInfo.info,
flavorInfo.flavor_flags, flavorInfo.internal_id,
flavorInfo.possible_count);
if ((flags & B_FLAVOR_IS_LOCAL) != 0) {
printf("BMediaRoster::InstantiateDormantNode: caller requested "
"B_FLAVOR_IS_LOCAL\n");
}
if ((flags & B_FLAVOR_IS_GLOBAL) != 0) {
printf("BMediaRoster::InstantiateDormantNode: caller requested "
"B_FLAVOR_IS_GLOBAL\n");
}
if ((flavorInfo.flavor_flags & B_FLAVOR_IS_LOCAL) != 0) {
printf("BMediaRoster::InstantiateDormantNode: node requires "
"B_FLAVOR_IS_LOCAL\n");
}
if ((flavorInfo.flavor_flags & B_FLAVOR_IS_GLOBAL) != 0) {
printf("BMediaRoster::InstantiateDormantNode: node requires "
"B_FLAVOR_IS_GLOBAL\n");
}
#endif
// Make sure that flags demanded by the dormant node and those requested
// by the caller are not incompatible.
if ((flavorInfo.flavor_flags & B_FLAVOR_IS_GLOBAL) != 0
&& (flags & B_FLAVOR_IS_LOCAL) != 0) {
ERROR("BMediaRoster::InstantiateDormantNode: requested "
"B_FLAVOR_IS_LOCAL, but dormant node has B_FLAVOR_IS_GLOBAL\n");
return B_NAME_NOT_FOUND;
}
if ((flavorInfo.flavor_flags & B_FLAVOR_IS_LOCAL) != 0
&& (flags & B_FLAVOR_IS_GLOBAL) != 0) {
ERROR("BMediaRoster::InstantiateDormantNode: requested "
"B_FLAVOR_IS_GLOBAL, but dormant node has B_FLAVOR_IS_LOCAL\n");
return B_NAME_NOT_FOUND;
}
// If either the node, or the caller requested to make the instance global
// we will do it by forwarding this request into the media_addon_server,
// which in turn will call BMediaRosterEx::InstantiateDormantNode to create
// the node there and make it globally available.
if ((flavorInfo.flavor_flags & B_FLAVOR_IS_GLOBAL) != 0
|| (flags & B_FLAVOR_IS_GLOBAL) != 0) {
TRACE("BMediaRoster::InstantiateDormantNode: creating global object "
"in media_addon_server\n");
add_on_server_instantiate_dormant_node_request request;
add_on_server_instantiate_dormant_node_reply reply;
request.add_on_id = info.addon;
request.flavor_id = info.flavor_id;
request.creator_team = BPrivate::current_team();
// creator team is allowed to also release global nodes
rv = QueryAddOnServer(ADD_ON_SERVER_INSTANTIATE_DORMANT_NODE, &request,
sizeof(request), &reply, sizeof(reply));
if (rv == B_OK)
*_node = reply.node;
} else {
// creator team = -1, as this is a local node
rv = MediaRosterEx(this)->InstantiateDormantNode(info.addon,
info.flavor_id, -1, _node);
}
if (rv != B_OK) {
*_node = media_node::null;
return B_NAME_NOT_FOUND;
}
return B_OK;
}
status_t
BMediaRoster::InstantiateDormantNode(const dormant_node_info& info,
media_node* _node)
{
return InstantiateDormantNode(info, _node, 0);
}
status_t
BMediaRoster::GetDormantNodeFor(const media_node& node,
dormant_node_info* _info)
{
CALLED();
if (_info == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
server_get_dormant_node_for_request request;
server_get_dormant_node_for_reply reply;
status_t rv;
request.node = node;
rv = QueryServer(SERVER_GET_DORMANT_NODE_FOR, &request, sizeof(request),
&reply, sizeof(reply));
if (rv != B_OK)
return rv;
*_info = reply.node_info;
return B_OK;
}
status_t
BMediaRosterEx::GetDormantFlavorInfo(media_addon_id addonID, int32 flavorID,
dormant_flavor_info* _flavor)
{
CALLED();
if (_flavor == NULL)
return B_BAD_VALUE;
// TODO: better use an area here as well!
server_get_dormant_flavor_info_reply* reply
= (server_get_dormant_flavor_info_reply*)malloc(16300);
if (reply == NULL)
return B_NO_MEMORY;
server_get_dormant_flavor_info_request request;
request.add_on_id = addonID;
request.flavor_id = flavorID;
status_t status = QueryServer(SERVER_GET_DORMANT_FLAVOR_INFO, &request,
sizeof(request), reply, 16300);
if (status != B_OK) {
free(reply);
return status;
}
if (reply->result == B_OK) {
status = _flavor->Unflatten(reply->type, &reply->flattened_data,
reply->flattened_size);
} else
status = reply->result;
free(reply);
return status;
}
status_t
BMediaRoster::GetDormantFlavorInfoFor(const dormant_node_info& dormant,
dormant_flavor_info* _flavor)
{
return MediaRosterEx(this)->GetDormantFlavorInfo(dormant.addon,
dormant.flavor_id, _flavor);
}
// Reports in outLatency the maximum latency found downstream from
// the specified BBufferProducer, producer, given the current connections.
status_t
BMediaRoster::GetLatencyFor(const media_node& producer, bigtime_t* _latency)
{
CALLED();
if (_latency == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(producer)
|| (producer.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
producer_get_latency_request request;
producer_get_latency_reply reply;
status_t rv;
rv = QueryPort(producer.port, PRODUCER_GET_LATENCY, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
*_latency = reply.latency;
// printf("BMediaRoster::GetLatencyFor producer %ld has maximum latency %Ld\n", producer.node, *out_latency);
return B_OK;
}
status_t
BMediaRoster::GetInitialLatencyFor(const media_node& producer,
bigtime_t* _latency, uint32* _flags)
{
CALLED();
if (_latency == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(producer)
|| (producer.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
producer_get_initial_latency_request request;
producer_get_initial_latency_reply reply;
status_t rv;
rv = QueryPort(producer.port, PRODUCER_GET_INITIAL_LATENCY, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
*_latency = reply.initial_latency;
if (_flags != NULL)
*_flags = reply.flags;
TRACE("BMediaRoster::GetInitialLatencyFor producer %" B_PRId32 " has "
"maximum initial latency %" B_PRId64 "\n", producer.node, *_latency);
return B_OK;
}
status_t
BMediaRoster::GetStartLatencyFor(const media_node& timeSource,
bigtime_t* _latency)
{
CALLED();
if (_latency == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(timeSource)
|| (timeSource.kind & B_TIME_SOURCE) == 0)
return B_MEDIA_BAD_NODE;
timesource_get_start_latency_request request;
timesource_get_start_latency_reply reply;
status_t rv;
rv = QueryPort(timeSource.port, TIMESOURCE_GET_START_LATENCY, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
*_latency = reply.start_latency;
TRACE("BMediaRoster::GetStartLatencyFor timesource %" B_PRId32 " has "
"maximum initial latency %" B_PRId64 "\n", timeSource.node, *_latency);
return B_OK;
}
status_t
BMediaRoster::GetFileFormatsFor(const media_node& fileInterface,
media_file_format* _formats, int32* _numFormats)
{
CALLED();
if (IS_INVALID_NODE(fileInterface)
|| (fileInterface.kind & B_FILE_INTERFACE) == 0)
return B_MEDIA_BAD_NODE;
if (_numFormats == NULL || *_numFormats < 1)
return B_BAD_VALUE;
fileinterface_get_formats_request request;
fileinterface_get_formats_reply reply;
media_file_format* formats;
size_t needSize = sizeof(media_file_format) * *_numFormats;
size_t size = (needSize + (B_PAGE_SIZE - 1)) & ~(B_PAGE_SIZE - 1);
area_id area = create_area("formats area", (void**)&formats,
B_ANY_ADDRESS, size, B_NO_LOCK,
B_READ_AREA | B_WRITE_AREA);
if (area < 0)
return B_NO_MEMORY;
request.num_formats = *_numFormats;
request.data_area = area;
status_t status = QueryPort(fileInterface.port,
FILEINTERFACE_GET_FORMATS, &request,
sizeof(request), &reply, sizeof(reply));
if (status == B_OK) {
memcpy(_formats, formats, sizeof(media_file_format)*reply.filled_slots);
*_numFormats = reply.filled_slots;
}
delete_area(area);
return status;
}
status_t
BMediaRoster::SetRefFor(const media_node& file_interface, const entry_ref& file,
bool createAndTruncate, bigtime_t* _length)
{
CALLED();
if (IS_INVALID_NODE(file_interface)
|| (file_interface.kind & B_FILE_INTERFACE) == 0)
return B_MEDIA_BAD_NODE;
fileinterface_set_ref_request request;
fileinterface_set_ref_reply reply;
status_t rv;
request.device = file.device;
request.directory = file.directory;
strcpy(request.name, file.name);
request.create = createAndTruncate;
if (_length != NULL)
request.duration = *_length;
rv = QueryPort(file_interface.port, FILEINTERFACE_SET_REF, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
if (!createAndTruncate && _length)
*_length = reply.duration;
return B_OK;
}
status_t
BMediaRoster::GetRefFor(const media_node& node, entry_ref* _file,
BMimeType* mimeType)
{
CALLED();
if (IS_INVALID_NODE(node)
|| (node.kind & B_FILE_INTERFACE) == 0)
return B_MEDIA_BAD_NODE;
if (!_file)
return B_BAD_VALUE;
fileinterface_get_ref_request request;
fileinterface_get_ref_reply reply;
status_t rv;
rv = QueryPort(node.port, FILEINTERFACE_GET_REF, &request, sizeof(request),
&reply, sizeof(reply));
if (rv != B_OK)
return rv;
*_file = entry_ref(reply.device, reply.directory, reply.name);
if (mimeType)
mimeType->SetTo(reply.mimetype);
return B_OK;
}
status_t
BMediaRoster::SniffRefFor(const media_node& file_interface,
const entry_ref& file, BMimeType* mimeType, float* _capability)
{
CALLED();
if (IS_INVALID_NODE(file_interface)
|| (file_interface.kind & B_FILE_INTERFACE) == 0)
return B_MEDIA_BAD_NODE;
if (mimeType == NULL || _capability == NULL)
return B_BAD_VALUE;
fileinterface_sniff_ref_request request;
fileinterface_sniff_ref_reply reply;
status_t rv;
request.device = file.device;
request.directory = file.directory;
strcpy(request.name, file.name);
rv = QueryPort(file_interface.port, FILEINTERFACE_SNIFF_REF, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
mimeType->SetTo(reply.mimetype);
*_capability = reply.capability;
return B_OK;
}
/*! This is the generic "here's a file, now can someone please play it"
interface.
*/
status_t
BMediaRoster::SniffRef(const entry_ref& file, uint64 requireNodeKinds,
dormant_node_info* _node, BMimeType* mimeType)
{
CALLED();
TRACE("BMediaRoster::SniffRef looking for a node to handle %s: 0x%" B_PRIx64
"\n", file.name, requireNodeKinds);
if (_node == NULL)
return B_BAD_VALUE;
BMimeType aMimeType;
dormant_node_info nodes[30];
int32 count = 30;
int32 highestCapability = -1;
float capability;
media_node node;
// Get all dormant nodes using GetDormantNodes
if (GetDormantNodes(nodes, &count, NULL, NULL, NULL, requireNodeKinds | B_FILE_INTERFACE, 0) == B_OK) {
// Call SniffRefFor on each node that matches requireNodeKinds
for (int32 i=0;i<count;i++) {
if (InstantiateDormantNode(nodes[i], &node) == B_OK) {
if (SniffRefFor(node, file, &aMimeType, &capability) == B_OK) {
// find the first node that has 100% capability
TRACE("%s has a %f%% chance of playing file\n",nodes[i].name, capability * 100.0);
if (capability == 1.0) {
highestCapability = i;
break;
}
}
ReleaseNode(node);
}
}
if (highestCapability != -1) {
*_node = nodes[highestCapability];
TRACE("BMediaRoster::SniffRef: found a node %s addon-id %" B_PRId32
", flavor_id %" B_PRId32 "\n",
nodes[highestCapability].name, nodes[highestCapability].addon,
nodes[highestCapability].flavor_id);
if (mimeType != NULL) {
//*mimeType = aMimeType; -- need a copy constructor
}
return B_OK;
}
}
return B_ERROR;
}
status_t
BMediaRoster::GetDormantNodeForType(const BMimeType& type,
uint64 requireNodeKinds, dormant_node_info* _node)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetReadFileFormatsFor(const dormant_node_info& node,
media_file_format* _readFormats, int32 readCount, int32* _readCount)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetWriteFileFormatsFor(const dormant_node_info& node,
media_file_format* _write_formats, int32 writeCount, int32* _writeCount)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetFormatFor(const media_output& output, media_format* _format,
uint32 flags)
{
CALLED();
if (_format == NULL)
return B_BAD_VALUE;
if ((output.node.kind & B_BUFFER_PRODUCER) == 0)
return B_MEDIA_BAD_NODE;
if (IS_INVALID_SOURCE(output.source))
return B_MEDIA_BAD_SOURCE;
producer_format_suggestion_requested_request request;
producer_format_suggestion_requested_reply reply;
status_t rv;
request.type = B_MEDIA_UNKNOWN_TYPE;
request.quality = 0; // TODO: what should this be?
rv = QueryPort(output.source.port, PRODUCER_FORMAT_SUGGESTION_REQUESTED,
&request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
*_format = reply.format;
return B_OK;
}
status_t
BMediaRoster::GetFormatFor(const media_input& input, media_format* _format,
uint32 flags)
{
CALLED();
if (_format == NULL)
return B_BAD_VALUE;
if ((input.node.kind & B_BUFFER_CONSUMER) == 0)
return B_MEDIA_BAD_NODE;
if (IS_INVALID_DESTINATION(input.destination))
return B_MEDIA_BAD_DESTINATION;
consumer_accept_format_request request;
consumer_accept_format_reply reply;
status_t rv;
request.dest = input.destination;
request.format.Clear(); // wildcard
rv = QueryPort(input.destination.port, CONSUMER_ACCEPT_FORMAT, &request,
sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
*_format = reply.format;
return B_OK;
}
status_t
BMediaRoster::GetFormatFor(const media_node& node, media_format* _format,
float quality)
{
UNIMPLEMENTED();
if (_format == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
if ((node.kind & (B_BUFFER_CONSUMER | B_BUFFER_PRODUCER)) == 0)
return B_MEDIA_BAD_NODE;
return B_ERROR;
}
ssize_t
BMediaRoster::GetNodeAttributesFor(const media_node& node,
media_node_attribute* _array, size_t maxCount)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
node_get_attributes_for_request request;
node_get_attributes_for_reply reply;
status_t status;
media_node_attribute* addr = NULL;
size_t totalSize = maxCount*sizeof(media_node_attribute);
size_t size = (totalSize + (B_PAGE_SIZE - 1)) & ~(B_PAGE_SIZE - 1);
area_id dataArea = create_area("attributes area", (void**)&addr,
B_ANY_ADDRESS, size, B_NO_LOCK,
B_READ_AREA | B_WRITE_AREA);
// No need to memset the padding
memset(addr, 0, totalSize);
if (dataArea < 0)
return B_NO_MEMORY;
request.count = maxCount;
request.area = dataArea;
status = QueryPort(node.port, NODE_GET_ATTRIBUTES_FOR, &request,
sizeof(request), &reply, sizeof(reply));
if (status != B_OK)
return status;
memcpy(_array, addr, reply.filled_count
* sizeof(media_node_attribute));
delete_area(dataArea);
return reply.filled_count;
}
media_node_id
BMediaRoster::NodeIDFor(port_id port)
{
CALLED();
server_node_id_for_request request;
server_node_id_for_reply reply;
status_t rv;
request.port = port;
rv = QueryServer(SERVER_NODE_ID_FOR, &request, sizeof(request), &reply,
sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::NodeIDFor: failed (error %#" B_PRIx32 ")\n", rv);
return -1;
}
return reply.node_id;
}
status_t
BMediaRoster::GetInstancesFor(media_addon_id addon, int32 flavor,
media_node_id* _id, int32* _count)
{
CALLED();
if (_id == NULL)
return B_BAD_VALUE;
if (_count && *_count <= 0)
return B_BAD_VALUE;
server_get_instances_for_request request;
server_get_instances_for_reply reply;
status_t rv;
request.max_count = (_count ? *_count : 1);
request.add_on_id = addon;
request.flavor_id = flavor;
rv = QueryServer(SERVER_GET_INSTANCES_FOR, &request, sizeof(request),
&reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::GetLiveNodes failed\n");
return rv;
}
if (_count)
*_count = reply.count;
if (reply.count > 0)
memcpy(_id, reply.node_id, sizeof(media_node_id) * reply.count);
return B_OK;
}
bool
BMediaRoster::IsRunning()
{
return be_roster->IsRunning(B_MEDIA_SERVER_SIGNATURE)
&& be_roster->IsRunning(B_MEDIA_ADDON_SERVER_SIGNATURE);
}
ssize_t
BMediaRoster::AudioBufferSizeFor(int32 channelCount, uint32 sampleFormat,
float frameRate, bus_type busKind)
{
bigtime_t bufferDuration;
ssize_t bufferSize;
if (busKind == B_ISA_BUS || busKind == B_PCMCIA_BUS)
bufferDuration = 25000;
else
bufferDuration = 10000;
bufferSize = (sampleFormat & 0xf) * channelCount
* (ssize_t)((frameRate * bufferDuration) / 1000000.0);
printf("Suggested buffer duration %" B_PRId64 ", size %" B_PRIdSSIZE "\n",
bufferDuration, bufferSize);
return bufferSize;
}
/*! Use MediaFlags to inquire about specific features of the Media Kit.
Returns < 0 for "not present", positive size for output data size.
0 means that the capability is present, but no data about it.
*/
/*static*/ ssize_t
BMediaRoster::MediaFlags(media_flags cap, void* buffer, size_t maxSize)
{
UNIMPLEMENTED();
return 0;
}
// #pragma mark - BLooper overrides
void
BMediaRoster::MessageReceived(BMessage* message)
{
switch (message->what) {
case MEDIA_ROSTER_REQUEST_NOTIFICATIONS:
{
RosterNotification notification;
if (message->FindInt32(NOTIFICATION_PARAM_WHAT, ¬ification.what)
!= B_OK) {
TRACE("BMediaRoster MEDIA_ROSTER_REQUEST_NOTIFICATIONS can't"
"find what parameter");
return;
}
if (message->FindMessenger(NOTIFICATION_PARAM_MESSENGER,
¬ification.messenger) != B_OK) {
TRACE("BMediaRoster MEDIA_ROSTER_REQUEST_NOTIFICATIONS can't"
"find messenger");
return;
}
sNotificationList.Insert(notification);
return;
}
case MEDIA_ROSTER_CANCEL_NOTIFICATIONS:
{
RosterNotification notification;
if (message->FindInt32(NOTIFICATION_PARAM_WHAT, ¬ification.what)
!= B_OK) {
TRACE("BMediaRoster MEDIA_ROSTER_CANCEL_NOTIFICATIONS can't"
"find what parameter");
return;
}
if (message->FindMessenger(NOTIFICATION_PARAM_MESSENGER,
¬ification.messenger) != B_OK) {
TRACE("BMediaRoster MEDIA_ROSTER_CANCEL_NOTIFICATIONS can't"
"find messenger");
return;
}
for (int32 i = 0; i < sNotificationList.CountItems(); i++) {
RosterNotification* current;
if (sNotificationList.Get(i, ¤t) != true)
return;
if (current->what == notification.what
&& current->messenger == notification.messenger) {
sNotificationList.Remove(i);
return;
}
}
return;
}
case B_SOME_APP_LAUNCHED:
{
BString mimeSig;
if (message->FindString("be:signature", &mimeSig) != B_OK)
return;
if (mimeSig != B_MEDIA_ADDON_SERVER_SIGNATURE
&& mimeSig != B_MEDIA_SERVER_SIGNATURE)
return;
TRACE("BMediaRoster::MessageReceived media services are going up.");
if (BMediaRoster::IsRunning()) {
// Wait for media services to wake up and restore our friendship
if (MediaRosterEx(this)->BuildConnections() != B_OK) {
TRACE("BMediaRoster::MessageReceived can't reconnect"
"to media_server.");
}
}
return;
}
case B_SOME_APP_QUIT:
{
BString mimeSig;
if (message->FindString("be:signature", &mimeSig) != B_OK)
return;
if (mimeSig != B_MEDIA_ADDON_SERVER_SIGNATURE
&& mimeSig != B_MEDIA_SERVER_SIGNATURE)
return;
TRACE("BMediaRoster::MessageReceived media services are down.");
// Send the notification to our subscribers
if (!BMediaRoster::IsRunning() && sServerIsUp == true) {
sServerIsUp = false;
for (int32 i = 0; i < sNotificationList.CountItems(); i++) {
RosterNotification* current;
if (sNotificationList.Get(i, ¤t) != true)
return;
if (current->what == B_MEDIA_SERVER_QUIT) {
if (current->messenger.SendMessage(
B_MEDIA_SERVER_QUIT) != B_OK) {
if(!current->messenger.IsValid())
sNotificationList.Remove(i);
}
}
}
}
return;
}
case MEDIA_SERVER_ALIVE:
{
if (!BMediaRoster::IsRunning())
return;
sServerIsUp = true;
TRACE("BMediaRoster::MessageReceived media services are"
" finally up.");
if (MediaRosterEx(this)->fLaunchNotification) {
progress_startup(100, NULL, NULL);
if (MediaRosterEx(this)->fAutoExit)
MediaRosterEx(this)->fLaunchNotification = false;
}
// Send the notification to our subscribers
for (int32 i = 0; i < sNotificationList.CountItems(); i++) {
RosterNotification* current;
if (sNotificationList.Get(i, ¤t) != true)
return;
if (current->what == B_MEDIA_SERVER_STARTED) {
if (current->messenger.SendMessage(
B_MEDIA_SERVER_STARTED) != B_OK) {
if(!current->messenger.IsValid())
sNotificationList.Remove(i);
}
}
}
return;
}
case NODE_FINAL_RELEASE:
{
// This function is called by a BMediaNode to delete
// itself, as this needs to be done from another thread
// context, it is done here.
BMediaNode* node = NULL;
status_t err = message->FindPointer("node",
reinterpret_cast<void **>(&node));
if (err == B_OK && node != NULL)
node->Release();
else {
TRACE("BMediaRoster::MessageReceived: CRITICAL! received"
"a release request but the node can't be found.");
}
return;
}
default:
BLooper::MessageReceived(message);
break;
}
}
bool
BMediaRoster::QuitRequested()
{
CALLED();
return true;
}
BHandler*
BMediaRoster::ResolveSpecifier(BMessage* msg, int32 index, BMessage* specifier,
int32 form, const char* property)
{
return BLooper::ResolveSpecifier(msg, index, specifier, form, property);
}
status_t
BMediaRoster::GetSupportedSuites(BMessage* data)
{
return BLooper::GetSupportedSuites(data);
}
BMediaRoster::~BMediaRoster()
{
CALLED();
// Unset the global instance pointer, the destructor is also called
// if a client app calls Lock(); and Quit(); directly.
sDefaultInstance = NULL;
}
// #pragma mark - private BMediaRoster
// FBC reserved virtuals
status_t BMediaRoster::_Reserved_MediaRoster_0(void*) { return B_ERROR; }
status_t BMediaRoster::_Reserved_MediaRoster_1(void*) { return B_ERROR; }
status_t BMediaRoster::_Reserved_MediaRoster_2(void*) { return B_ERROR; }
status_t BMediaRoster::_Reserved_MediaRoster_3(void*) { return B_ERROR; }
status_t BMediaRoster::_Reserved_MediaRoster_4(void*) { return B_ERROR; }
status_t BMediaRoster::_Reserved_MediaRoster_5(void*) { return B_ERROR; }
status_t BMediaRoster::_Reserved_MediaRoster_6(void*) { return B_ERROR; }
status_t BMediaRoster::_Reserved_MediaRoster_7(void*) { return B_ERROR; }
BMediaRoster::BMediaRoster()
:
BLooper("_BMediaRoster_", B_URGENT_DISPLAY_PRIORITY,
B_LOOPER_PORT_DEFAULT_CAPACITY)
{
CALLED();
// start the looper
Run();
}
// #pragma mark - static variables
BMediaRoster* BMediaRoster::sDefaultInstance = NULL;
↑ V614 Uninitialized variable 'dummy' used. Consider checking the third actual argument of the 'write_port' function.
↑ V641 The size of the allocated memory buffer is not a multiple of the element size.