haiku/src/kits/media/MediaRoster.cpp
Marcus Overhagen 31cf24c13e debugging instrumentation for Cortex lockup bug (some weeks old already)
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22029 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-08-21 18:44:55 +00:00

2990 lines
84 KiB
C++

/*
* 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>";
//#define DEBUG 7
#include <MediaRoster.h>
#include <Locker.h>
#include <Message.h>
#include <Messenger.h>
#include <StopWatch.h>
#include <OS.h>
#include <String.h>
#include <TimeSource.h>
#include <ParameterWeb.h>
#include <BufferProducer.h>
#include <BufferConsumer.h>
#include "debug.h"
#include "MediaRosterEx.h"
#include "MediaMisc.h"
#include "PortPool.h"
#include "ServerInterface.h"
#include "DataExchange.h"
#include "DormantNodeManager.h"
#include "Notifications.h"
#include "TimeSourceObjectManager.h"
namespace BPrivate { namespace media {
// the BMediaRoster destructor is private,
// but _DefaultDeleter is a friend class of
// the BMediaRoster an thus can delete it
class DefaultDeleter
{
public:
~DefaultDeleter()
{
if (BMediaRoster::_sDefault) {
BMediaRoster::_sDefault->Lock();
BMediaRoster::_sDefault->Quit();
}
}
};
} } // BPrivate::media
using namespace BPrivate::media;
// DefaultDeleter will delete the BMediaRoster object in it's destructor.
DefaultDeleter _deleter;
BMediaRosterEx::BMediaRosterEx(status_t * out_error)
: BMediaRoster()
{
status_t rv;
// register this application with the media server
server_register_app_request request;
server_register_app_reply reply;
request.team = team;
request.messenger = BMessenger(NULL, this);
rv = QueryServer(SERVER_REGISTER_APP, &request, sizeof(request), &reply, sizeof(reply));
*out_error = (rv != B_OK) ? B_MEDIA_SYSTEM_FAILURE : B_OK;
}
status_t
BMediaRosterEx::SaveNodeConfiguration(BMediaNode *node)
{
BMediaAddOn *addon;
media_addon_id addonid;
int32 flavorid;
addon = node->AddOn(&flavorid);
if (!addon) {
// XXX this check incorrectly triggers on BeOS R5 BT848 node
ERROR("BMediaRosterEx::SaveNodeConfiguration node %ld not instantiated from BMediaAddOn!\n", node->ID());
return B_ERROR;
}
addonid = addon->AddonID();
// XXX fix this
printf("### BMediaRosterEx::SaveNodeConfiguration should save addon-id %ld, flavor-id %ld config NOW!\n", addonid, flavorid);
return B_OK;
}
status_t
BMediaRosterEx::LoadNodeConfiguration(media_addon_id addonid, int32 flavorid, BMessage *out_msg)
{
// XXX fix this
out_msg->MakeEmpty(); // to be fully R5 compliant
printf("### BMediaRosterEx::LoadNodeConfiguration should load addon-id %ld, flavor-id %ld config NOW!\n", addonid, flavorid);
return B_OK;
}
status_t
BMediaRosterEx::IncrementAddonFlavorInstancesCount(media_addon_id addonid, int32 flavorid)
{
server_change_addon_flavor_instances_count_request request;
server_change_addon_flavor_instances_count_reply reply;
request.addonid = addonid;
request.flavorid = flavorid;
request.delta = 1;
request.team = team;
return QueryServer(SERVER_CHANGE_ADDON_FLAVOR_INSTANCES_COUNT, &request, sizeof(request), &reply, sizeof(reply));
}
status_t
BMediaRosterEx::DecrementAddonFlavorInstancesCount(media_addon_id addonid, int32 flavorid)
{
server_change_addon_flavor_instances_count_request request;
server_change_addon_flavor_instances_count_reply reply;
request.addonid = addonid;
request.flavorid = flavorid;
request.delta = -1;
request.team = team;
return QueryServer(SERVER_CHANGE_ADDON_FLAVOR_INSTANCES_COUNT, &request, sizeof(request), &reply, sizeof(reply));
}
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 = 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 ? true : false;
if (node)
request.node = *node;
request.use_dni = info ? true : false;
if (info)
request.dni = *info;
request.use_input = input ? true : false;
if (input)
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 %ld, port %ld\n", node.node, node.port);
if (!(node.kind & B_BUFFER_PRODUCER)) {
ERROR("BMediaRosterEx::GetAllOutputs: node %ld 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 %ld, ", 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 %ld, port %ld\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 %ld, ", 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 %ld, port %ld\n", node.node, node.port);
if (!(node.kind & B_BUFFER_CONSUMER)) {
ERROR("BMediaRosterEx::GetAllInputs: node %ld 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 %ld, ", 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 %ld, port %ld\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 %ld, ", 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 %ld\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, %#lx\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 %ld\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 %ld\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, %#lx\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 %ld\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;
}
/*************************************************************
* public BMediaRoster
*************************************************************/
status_t
BMediaRoster::GetVideoInput(media_node * out_node)
{
CALLED();
return MediaRosterEx(this)->GetNode(VIDEO_INPUT, out_node);
}
status_t
BMediaRoster::GetAudioInput(media_node * out_node)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_INPUT, out_node);
}
status_t
BMediaRoster::GetVideoOutput(media_node * out_node)
{
CALLED();
return MediaRosterEx(this)->GetNode(VIDEO_OUTPUT, out_node);
}
status_t
BMediaRoster::GetAudioMixer(media_node * out_node)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_MIXER, out_node);
}
status_t
BMediaRoster::GetAudioOutput(media_node * out_node)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_OUTPUT, out_node);
}
status_t
BMediaRoster::GetAudioOutput(media_node * out_node,
int32 * out_input_id,
BString * out_input_name)
{
CALLED();
return MediaRosterEx(this)->GetNode(AUDIO_OUTPUT_EX, out_node, out_input_id, out_input_name);
}
status_t
BMediaRoster::GetTimeSource(media_node * out_node)
{
CALLED();
status_t rv;
// XXX need to do this in a nicer way.
rv = MediaRosterEx(this)->GetNode(TIME_SOURCE, out_node);
if (rv != B_OK)
return rv;
// We don't do reference counting for timesources, that's why we
// release the node immediately.
ReleaseNode(*out_node);
// we need to remember to not use this node with server side reference counting
out_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_to_output)
{
CALLED();
return MediaRosterEx(this)->SetNode(AUDIO_OUTPUT, NULL, NULL, &input_to_output);
}
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.nodeid = node;
request.team = 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;
// XXX 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) {
printf("BMediaRoster::ReleaseNode, trying to release reference counting disabled timesource, node %ld, port %ld, team %ld\n", node.node, node.port, team);
return B_OK;
}
server_release_node_request request;
server_release_node_reply reply;
status_t rv;
request.node = node;
request.team = team;
TRACE("BMediaRoster::ReleaseNode, node %ld, port %ld, team %ld\n", node.node, node.port, team);
rv = QueryServer(SERVER_RELEASE_NODE, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::ReleaseNode FAILED, node %ld, port %ld, team %ld!\n", node.node, node.port, team);
}
return rv;
}
BTimeSource *
BMediaRoster::MakeTimeSourceFor(const media_node & for_node)
{
// MakeTimeSourceFor() returns a BTimeSource object
// corresponding to the specified node's time source.
CALLED();
if (IS_SYSTEM_TIMESOURCE(for_node)) {
// 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(for_node)) {
ERROR("BMediaRoster::MakeTimeSourceFor: for_node invalid, node %ld, port %ld, kinds 0x%lx\n", for_node.node, for_node.port, for_node.kind);
return NULL;
}
TRACE("BMediaRoster::MakeTimeSourceFor: node %ld enter\n", for_node.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(for_node.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 %ld leave\n", for_node.node);
return source;
}
BTimeSource *
BMediaRosterEx::MakeTimeSourceObject(media_node_id timesource_id)
{
BTimeSource *source;
media_node clone;
status_t rv;
rv = GetNodeFor(timesource_id, &clone);
if (rv != B_OK) {
ERROR("BMediaRosterEx::MakeTimeSourceObject: GetNodeFor failed\n");
return NULL;
}
source = _TimeSourceObjectManager->GetTimeSource(clone);
if (source == NULL) {
ERROR("BMediaRosterEx::MakeTimeSourceObject: GetTimeSource failed\n");
return NULL;
}
// XXX release?
ReleaseNode(clone);
return source;
}
status_t
BMediaRoster::Connect(const media_source & from,
const media_destination & to,
media_format * io_format,
media_output * out_output,
media_input * out_input)
{
return BMediaRoster::Connect(from, to, io_format, out_output, out_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
// XXX 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 %ld\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 %ld\n", to.port);
return B_MEDIA_BAD_DESTINATION;
}
ReleaseNode(destnode);
if (!(sourcenode.kind & B_BUFFER_PRODUCER)) {
ERROR("BMediaRoster::Connect: source node %ld 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 %ld 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 = %#lx\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 = %#lx\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"); // XXX 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 = %#lx\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 = %#lx\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 = %#lx\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
printf("BMediaRoster::Connect connection established!\n");
PRINT_FORMAT(" format", *io_format);
PRINT_INPUT(" input", *out_input);
PRINT_OUTPUT(" output", *out_output);
// XXX register connection with server
// XXX we should just send a notification, instead of republishing all endpoints
List<media_output> outlist;
List<media_input> inlist;
if (B_OK == MediaRosterEx(this)->GetAllOutputs(out_output->node , &outlist))
MediaRosterEx(this)->PublishOutputs(out_output->node , &outlist);
if (B_OK == MediaRosterEx(this)->GetAllInputs(out_input->node , &inlist))
MediaRosterEx(this)->PublishInputs(out_input->node, &inlist);
// XXX 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;
// XXX 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));
// XXX unregister connection with server
// XXX 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 (B_OK == GetNodeFor(source_nodeid, &sourcenode)) {
if (!(sourcenode.kind & B_BUFFER_PRODUCER)) {
ERROR("BMediaRoster::Disconnect: source_nodeid %ld is not a B_BUFFER_PRODUCER\n", source_nodeid);
}
if (B_OK == MediaRosterEx(this)->GetAllOutputs(sourcenode , &outlist))
MediaRosterEx(this)->PublishOutputs(sourcenode , &outlist);
ReleaseNode(sourcenode);
} else {
ERROR("BMediaRoster::Disconnect: GetNodeFor source_nodeid %ld failed\n", source_nodeid);
}
if (B_OK == GetNodeFor(destination_nodeid, &destnode)) {
if (!(destnode.kind & B_BUFFER_CONSUMER)) {
ERROR("BMediaRoster::Disconnect: destination_nodeid %ld is not a B_BUFFER_CONSUMER\n", destination_nodeid);
}
if (B_OK == MediaRosterEx(this)->GetAllInputs(destnode , &inlist))
MediaRosterEx(this)->PublishInputs(destnode, &inlist);
ReleaseNode(destnode);
} else {
ERROR("BMediaRoster::Disconnect: GetNodeFor destination_nodeid %ld 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 %ld invalid\n",
output.node.node);
return B_MEDIA_BAD_SOURCE;
}
if (IS_INVALID_NODEID(input.node.node)) {
printf("BMediaRoster::Disconnect: input.node.node %ld invalid\n",
input.node.node);
return B_MEDIA_BAD_DESTINATION;
}
if (!(output.node.kind & B_BUFFER_PRODUCER)) {
printf("BMediaRoster::Disconnect: output.node.kind 0x%lx 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%lx 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 %ld doesn't match output.source.port %ld\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 %ld doesn't match output.source.id %ld\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 %ld doesn't match output.destination.port %ld\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 %ld doesn't match output.destination.id %ld\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 at_performance_time)
{
CALLED();
if (node.node <= 0)
return B_MEDIA_BAD_NODE;
TRACE("BMediaRoster::StartNode, node %ld, at perf %Ld\n", node.node, at_performance_time);
node_start_command command;
command.performance_time = at_performance_time;
return SendToPort(node.port, NODE_START, &command, sizeof(command));
}
status_t
BMediaRoster::StopNode(const media_node & node,
bigtime_t at_performance_time,
bool immediate)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
TRACE("BMediaRoster::StopNode, node %ld, at perf %Ld %s\n", node.node, at_performance_time, immediate ? "NOW" : "");
node_stop_command command;
command.performance_time = at_performance_time;
command.immediate = immediate;
return SendToPort(node.port, NODE_STOP, &command, sizeof(command));
}
status_t
BMediaRoster::SeekNode(const media_node & node,
bigtime_t to_media_time,
bigtime_t at_performance_time)
{
CALLED();
if (IS_INVALID_NODE(node))
return B_MEDIA_BAD_NODE;
TRACE("BMediaRoster::SeekNode, node %ld, at perf %Ld, to perf %Ld\n", node.node, at_performance_time, to_media_time);
node_seek_command command;
command.media_time = to_media_time;
command.performance_time = at_performance_time;
return SendToPort(node.port, NODE_SEEK, &command, sizeof(command));
}
status_t
BMediaRoster::StartTimeSource(const media_node & node,
bigtime_t at_real_time)
{
CALLED();
if (IS_SYSTEM_TIMESOURCE(node)) {
// XXX debug this
//ERROR("BMediaRoster::StartTimeSource node %ld is system timesource\n", node.node);
return B_OK;
}
// if (IS_SHADOW_TIMESOURCE(node)) {
// // XXX debug this
// ERROR("BMediaRoster::StartTimeSource node %ld is shadow timesource\n", node.node);
// return B_OK;
// }
if (IS_INVALID_NODE(node)) {
ERROR("BMediaRoster::StartTimeSource node %ld invalid\n", node.node);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_TIME_SOURCE) == 0) {
ERROR("BMediaRoster::StartTimeSource node %ld is no timesource\n", node.node);
return B_MEDIA_BAD_NODE;
}
TRACE("BMediaRoster::StartTimeSource, node %ld, at real %Ld\n", node.node, at_real_time);
BTimeSource::time_source_op_info msg;
msg.op = BTimeSource::B_TIMESOURCE_START;
msg.real_time = at_real_time;
return write_port(node.port, TIMESOURCE_OP, &msg, sizeof(msg));
}
status_t
BMediaRoster::StopTimeSource(const media_node & node,
bigtime_t at_real_time,
bool immediate)
{
CALLED();
if (IS_SYSTEM_TIMESOURCE(node)) {
// XXX debug this
//ERROR("BMediaRoster::StopTimeSource node %ld is system timesource\n", node.node);
return B_OK;
}
// if (IS_SHADOW_TIMESOURCE(node)) {
// // XXX 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 %ld invalid\n", node.node);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_TIME_SOURCE) == 0) {
ERROR("BMediaRoster::StopTimeSource node %ld is no timesource\n", node.node);
return B_MEDIA_BAD_NODE;
}
TRACE("BMediaRoster::StopTimeSource, node %ld, at real %Ld %s\n", node.node, at_real_time, immediate ? "NOW" : "");
BTimeSource::time_source_op_info msg;
msg.op = immediate ? BTimeSource::B_TIMESOURCE_STOP_IMMEDIATELY : BTimeSource::B_TIMESOURCE_STOP;
msg.real_time = at_real_time;
return write_port(node.port, TIMESOURCE_OP, &msg, sizeof(msg));
}
status_t
BMediaRoster::SeekTimeSource(const media_node & node,
bigtime_t to_performance_time,
bigtime_t at_real_time)
{
CALLED();
if (IS_SYSTEM_TIMESOURCE(node)) {
// XXX 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)) {
// // XXX 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 %ld invalid\n", node.node);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_TIME_SOURCE) == 0) {
ERROR("BMediaRoster::SeekTimeSource node %ld is no timesource\n", node.node);
return B_MEDIA_BAD_NODE;
}
TRACE("BMediaRoster::SeekTimeSource, node %ld, at real %Ld, to perf %Ld\n", node.node, at_real_time, to_performance_time);
BTimeSource::time_source_op_info msg;
msg.op = BTimeSource::B_TIMESOURCE_SEEK;
msg.real_time = at_real_time;
msg.performance_time = to_performance_time;
return write_port(node.port, TIMESOURCE_OP, &msg, sizeof(msg));
}
status_t
BMediaRoster::SyncToNode(const media_node & node,
bigtime_t at_time,
bigtime_t timeout)
{
UNIMPLEMENTED();
return B_OK;
}
status_t
BMediaRoster::SetRunModeNode(const media_node & node,
BMediaNode::run_mode mode)
{
TRACE("BMediaRoster::SetRunModeNode, node %ld, 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)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::SetProducerRunModeDelay(const media_node & node,
bigtime_t delay,
BMediaNode::run_mode mode)
{
TRACE("BMediaRoster::SetProducerRunModeDelay, node %ld, delay %Ld, 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 msg;
producer_set_play_rate_reply reply;
status_t rv;
int32 code;
msg.numer = numer;
msg.denom = denom;
msg.reply_port = _PortPool->GetPort();
rv = write_port(producer.node, PRODUCER_SET_PLAY_RATE, &msg, sizeof(msg));
if (rv != B_OK) {
_PortPool->PutPort(msg.reply_port);
return rv;
}
rv = read_port(msg.reply_port, &code, &reply, sizeof(reply));
_PortPool->PutPort(msg.reply_port);
return (rv < B_OK) ? rv : 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 * out_live_nodes,
int32 * io_total_count,
const media_format * has_input,
const media_format * has_output,
const char * name,
uint64 node_kinds)
{
CALLED();
if (out_live_nodes == NULL || io_total_count == NULL)
return B_BAD_VALUE;
if (*io_total_count <= 0)
return B_BAD_VALUE;
// XXX we also support the wildcard search as GetDormantNodes does. This needs to be documented
server_get_live_nodes_request request;
server_get_live_nodes_reply reply;
status_t rv;
request.maxcount = *io_total_count;
request.has_input = (bool) has_input;
if (has_input)
request.inputformat = *has_input; // XXX we should not make a flat copy of media_format
request.has_output = (bool) has_output;
if (has_output)
request.outputformat = *has_output; // XXX we should not make a flat copy of media_format
request.has_name = (bool) name;
if (name) {
int len = strlen(name);
len = min_c(len, (int)sizeof(request.name) - 1);
memcpy(request.name, name, len);
request.name[len] = 0;
}
request.require_kinds = node_kinds;
rv = QueryServer(SERVER_GET_LIVE_NODES, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::GetLiveNodes failed querying server\n");
*io_total_count = 0;
return rv;
}
if (reply.count > MAX_LIVE_INFO) {
live_node_info *live_info;
area_id clone;
clone = clone_area("live_node_info clone", reinterpret_cast<void **>(&live_info), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, reply.area);
if (clone < B_OK) {
ERROR("BMediaRoster::GetLiveNodes failed to clone area, %#lx\n", clone);
delete_area(reply.area);
*io_total_count = 0;
return B_ERROR;
}
for (int32 i = 0; i < reply.count; i++) {
out_live_nodes[i] = live_info[i];
}
delete_area(clone);
delete_area(reply.area);
} else {
for (int32 i = 0; i < reply.count; i++) {
out_live_nodes[i] = reply.live_info[i];
}
}
*io_total_count = 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 %ld, port %ld invalid\n", node.node, node.port);
return B_MEDIA_BAD_NODE;
}
if ((node.kind & B_BUFFER_CONSUMER) == 0) {
ERROR("BMediaRoster::GetFreeInputsFor: node %ld, port %ld 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 %ld, max %ld, filter-type %ld\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)
continue; // media_type used, but doesn't match
if (input->source != media_source::null)
continue; // consumer source already connected
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 %ld, max %ld\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 %ld, max %ld\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 %ld, max %ld, filter-type %ld\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)
continue; // media_type used, but doesn't match
if (output->destination != media_destination::null)
continue; // producer destination already connected
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 %ld, max %ld\n", node.node, buf_num_outputs);
int32 i;
for (i = 0, list.Rewind(); list.GetNext(&output);) {
if (output->destination == media_destination::null)
continue; // producer destination not connected
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 %ld, max %ld\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 (false == BPrivate::media::notifications::IsValidNotificationRequest(false, notificationType)) {
ERROR("BMediaRoster::StartWatching: notificationType invalid!\n");
return B_BAD_VALUE;
}
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 (false == 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 (false == 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 (false == 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.
{
BMediaAddOn *addon;
int32 addon_flavor_id;
media_addon_id addon_id;
addon_flavor_id = 0;
addon = node->AddOn(&addon_flavor_id);
addon_id = addon ? addon->AddonID() : -1;
ASSERT(addonid == addon_id);
ASSERT(flavorid == addon_flavor_id);
}
status_t rv;
server_register_node_request request;
server_register_node_reply reply;
request.addon_id = addonid;
request.addon_flavor_id = flavorid;
strcpy(request.name, node->Name());
request.kinds = node->Kinds();
request.port = node->ControlPort();
request.team = team;
TRACE("BMediaRoster::RegisterNode: sending SERVER_REGISTER_NODE: port %ld, kinds 0x%Lx, team %ld, name '%s'\n", request.port, request.kinds, request.team, request.name);
rv = QueryServer(SERVER_REGISTER_NODE, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::RegisterNode: failed to register node %s (error %#lx)\n", node->Name(), rv);
return rv;
}
TRACE("BMediaRoster::RegisterNode: QueryServer SERVER_REGISTER_NODE finished\n");
// we are a friend class of BMediaNode and initialize this member variable
node->fNodeID = reply.nodeid;
ASSERT(reply.nodeid == node->Node().node);
ASSERT(reply.nodeid == node->ID());
// call the callback
node->NodeRegistered();
TRACE("BMediaRoster::RegisterNode: NodeRegistered callback finished\n");
// if the BMediaNode also inherits from BTimeSource, we need to call BTimeSource::FinishCreate()
if (node->Kinds() & B_TIME_SOURCE) {
BTimeSource *ts;
ts = dynamic_cast<BTimeSource *>(node);
if (ts)
ts->FinishCreate();
}
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) {
BBufferProducer *bp;
bp = dynamic_cast<BBufferProducer *>(node);
if (bp) {
List<media_output> list;
if (B_OK == GetAllOutputs(bp, &list))
PublishOutputs(node->Node(), &list);
}
}
if (node->Kinds() & B_BUFFER_CONSUMER) {
BBufferConsumer *bc;
bc = dynamic_cast<BBufferConsumer *>(node);
if (bc) {
List<media_input> list;
if (B_OK == GetAllInputs(bc, &list))
PublishInputs(node->Node(), &list);
}
}
TRACE("BMediaRoster::RegisterNode: sending NodesCreated\n");
BPrivate::media::notifications::NodesCreated(&reply.nodeid, 1);
TRACE("BMediaRoster::RegisterNode: finished\n");
/*
TRACE("BMediaRoster::RegisterNode: registered node name '%s', id %ld, addon %ld, flavor %ld\n", node->Name(), node->ID(), addon_id, addon_flavor_id);
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 %ld (%p)\n", node->ID(), node);
if (node->fKinds & NODE_KIND_NO_REFCOUNTING) {
printf("BMediaRoster::UnregisterNode, trying to unregister reference counting disabled timesource, node %ld, port %ld, team %ld\n", node->ID(), node->ControlPort(), 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;
server_unregister_node_reply reply;
status_t rv;
request.nodeid = node->ID();
request.team = team;
// send a notification
BPrivate::media::notifications::NodesDeleted(&request.nodeid, 1);
rv = QueryServer(SERVER_UNREGISTER_NODE, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::UnregisterNode: failed to unregister node id %ld, name '%s' (error %#lx)\n", node->ID(), node->Name(), rv);
return rv;
}
if (reply.addonid != -1) {
// 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.
_DormantNodeManager->PutAddonDelayed(reply.addonid);
rv = MediaRosterEx(this)->DecrementAddonFlavorInstancesCount(reply.addonid, reply.flavorid);
if (rv != 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 B_OK;
}
// thread safe for multiple calls to Roster()
/* static */ BMediaRoster *
BMediaRoster::Roster(status_t *out_error)
{
static BLocker locker("BMediaRoster::Roster locker");
locker.Lock();
if (out_error)
*out_error = B_OK;
if (_sDefault == NULL) {
status_t err;
_sDefault = new BMediaRosterEx(&err);
if (err != B_OK) {
if (_sDefault) {
_sDefault->Lock();
_sDefault->Quit();
_sDefault = NULL;
}
if (out_error)
*out_error = err;
}
}
locker.Unlock();
return _sDefault;
}
// won't create it if there isn't one
// not thread safe if you call Roster() at the same time
/* static */ BMediaRoster *
BMediaRoster::CurrentRoster()
{
return _sDefault;
}
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;
status_t rv, result;
TRACE("BMediaRoster::SetTimeSourceFor: node %ld will be assigned time source %ld\n", node, time_source);
printf("BMediaRoster::SetTimeSourceFor: node %ld time source %ld enter\n", node, time_source);
// we need to get a clone of the node to have a port id
rv = GetNodeFor(node, &clone);
if (rv != B_OK) {
ERROR("BMediaRoster::SetTimeSourceFor, GetNodeFor failed, node id %ld\n", node);
return B_ERROR;
}
// 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;
rv = SendToPort(clone.port, NODE_SET_TIMESOURCE, &cmd, sizeof(cmd));
if (rv != B_OK) {
ERROR("BMediaRoster::SetTimeSourceFor, sending NODE_SET_TIMESOURCE failed, node id %ld\n", node);
result = B_ERROR;
}
// we release the clone
rv = ReleaseNode(clone);
if (rv != B_OK) {
ERROR("BMediaRoster::SetTimeSourceFor, ReleaseNode failed, node id %ld\n", node);
result = B_ERROR;
}
printf("BMediaRoster::SetTimeSourceFor: node %ld time source %ld leave\n", node, time_source);
return result;
}
status_t
BMediaRoster::GetParameterWebFor(const media_node & node,
BParameterWeb ** out_web)
{
CALLED();
if (out_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;
// XXX 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 %ld\n", size);
return B_ERROR;
}
request.maxsize = 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
// XXX should we return an error?
ERROR("BMediaRoster::GetParameterWebFor node %ld has no parameter web\n", node.node);
*out_web = new BParameterWeb();
delete_area(area);
return B_OK;
}
if (reply.size > 0) {
// we got a flattened parameter web!
*out_web = new BParameterWeb();
printf("BMediaRoster::GetParameterWebFor Unflattening %ld bytes, 0x%08lx, 0x%08lx, 0x%08lx, 0x%08lx\n",
reply.size, ((uint32*)data)[0], ((uint32*)data)[1], ((uint32*)data)[2], ((uint32*)data)[3]);
rv = (*out_web)->Unflatten(reply.code, data, reply.size);
if (rv != B_OK) {
ERROR("BMediaRoster::GetParameterWebFor Unflatten failed, %s\n", strerror(rv));
delete_area(area);
delete *out_web;
return B_ERROR;
}
delete_area(area);
return B_OK;
}
delete_area(area);
ASSERT(reply.size == -1);
// parameter web data was too large
// loop and try a larger size
}
ERROR("BMediaRoster::GetParameterWebFor node %ld has no parameter web larger than %ld\n", node.node, size);
return B_ERROR;
}
status_t
BMediaRoster::StartControlPanel(const media_node & node,
BMessenger * out_messenger)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetDormantNodes(dormant_node_info * out_info,
int32 * io_count,
const media_format * has_input /* = NULL */,
const media_format * has_output /* = NULL */,
const char * name /* = NULL */,
uint64 require_kinds /* = NULL */,
uint64 deny_kinds /* = NULL */)
{
CALLED();
if (out_info == NULL)
return B_BAD_VALUE;
if (io_count == NULL)
return B_BAD_VALUE;
if (*io_count <= 0)
return B_BAD_VALUE;
xfer_server_get_dormant_nodes msg;
port_id port;
status_t rv;
port = find_port(MEDIA_SERVER_PORT_NAME);
if (port <= B_OK)
return B_ERROR;
msg.maxcount = *io_count;
msg.has_input = (bool) has_input;
if (has_input)
msg.inputformat = *has_input; // XXX we should not make a flat copy of media_format
msg.has_output = (bool) has_output;
if (has_output)
msg.outputformat = *has_output;; // XXX we should not make a flat copy of media_format
msg.has_name = (bool) name;
if (name) {
int len = strlen(name);
len = min_c(len, (int)sizeof(msg.name) - 1);
memcpy(msg.name, name, len);
msg.name[len] = 0;
}
msg.require_kinds = require_kinds;
msg.deny_kinds = deny_kinds;
msg.reply_port = _PortPool->GetPort();
rv = write_port(port, SERVER_GET_DORMANT_NODES, &msg, sizeof(msg));
if (rv != B_OK) {
_PortPool->PutPort(msg.reply_port);
return rv;
}
xfer_server_get_dormant_nodes_reply reply;
int32 code;
rv = read_port(msg.reply_port, &code, &reply, sizeof(reply));
if (rv < B_OK) {
_PortPool->PutPort(msg.reply_port);
return rv;
}
*io_count = reply.count;
if (*io_count > 0) {
rv = read_port(msg.reply_port, &code, out_info, *io_count * sizeof(dormant_node_info));
if (rv < B_OK)
reply.result = rv;
}
_PortPool->PutPort(msg.reply_port);
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 *out_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: addon-id %ld, flavor_id %ld\n", addonid, flavorid);
// Get flavor_info from the server
dormant_flavor_info node_info;
status_t rv;
rv = GetDormantFlavorInfo(addonid, flavorid, &node_info);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode error: failed to get dormant_flavor_info for addon-id %ld, flavor-id %ld\n", addonid, flavorid);
return B_ERROR;
}
//ASSERT(node_info.internal_id == flavorid);
if (node_info.internal_id != flavorid) {
ERROR("############# BMediaRosterEx::InstantiateDormantNode failed: ID mismatch for addon-id %ld, flavor-id %ld, node_info.internal_id %ld, node_info.name %s\n", addonid, flavorid, node_info.internal_id, node_info.name);
return B_ERROR;
}
// load the BMediaAddOn object
BMediaAddOn *addon;
addon = _DormantNodeManager->GetAddon(addonid);
if (!addon) {
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 %ld, flavor-id %ld\n", addonid, flavorid);
// Put the addon back into the pool
_DormantNodeManager->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 %ld, flavor-id %ld\n", addonid, flavorid);
// do not return, this is a minor problem, not a reason to fail
}
BMediaNode *node;
status_t out_error;
out_error = B_OK;
node = addon->InstantiateNodeFor(&node_info, &config, &out_error);
if (!node) {
ERROR("BMediaRosterEx::InstantiateDormantNode: InstantiateNodeFor failed\n");
// Put the addon back into the pool
_DormantNodeManager->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: DecrementAddonFlavorInstancesCount failed\n");
}
return (out_error != B_OK) ? out_error : 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
_DormantNodeManager->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: DecrementAddonFlavorInstancesCount 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 %ld as creator of node %ld\n", creator, node->ID());
rv = MediaRosterEx(this)->SetNodeCreator(node->ID(), creator);
if (rv != B_OK) {
ERROR("BMediaRosterEx::InstantiateDormantNode failed to assign team %ld as creator of node %ld\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.
*out_node = node->Node();
TRACE("BMediaRosterEx::InstantiateDormantNode: addon-id %ld, flavor_id %ld instanciated as node %ld, port %ld in team %ld\n", addonid, flavorid, out_node->node, out_node->port, team);
return B_OK;
}
status_t
BMediaRoster::InstantiateDormantNode(const dormant_node_info & in_info,
media_node * out_node,
uint32 flags /* currently 0 or B_FLAVOR_IS_GLOBAL or B_FLAVOR_IS_LOCAL */ )
{
CALLED();
if (out_node == 0)
return B_BAD_VALUE;
if (in_info.addon <= 0) {
ERROR("BMediaRoster::InstantiateDormantNode error: addon-id %ld invalid.\n", in_info.addon);
return B_BAD_VALUE;
}
printf("BMediaRoster::InstantiateDormantNode: addon-id %ld, flavor_id %ld, flags 0x%lX\n", in_info.addon, in_info.flavor_id, flags);
// Get flavor_info from the server
// XXX this is a little overhead, as we get the full blown dormant_flavor_info,
// XXX but only need the flags.
dormant_flavor_info node_info;
status_t rv;
rv = MediaRosterEx(this)->GetDormantFlavorInfo(in_info.addon, in_info.flavor_id, &node_info);
if (rv != B_OK) {
ERROR("BMediaRoster::InstantiateDormantNode: failed to get dormant_flavor_info for addon-id %ld, flavor-id %ld\n", in_info.addon, in_info.flavor_id);
return B_NAME_NOT_FOUND;
}
ASSERT(node_info.internal_id == in_info.flavor_id);
printf("BMediaRoster::InstantiateDormantNode: name \"%s\", info \"%s\", flavor_flags 0x%lX, internal_id %ld, possible_count %ld\n",
node_info.name, node_info.info, node_info.flavor_flags, node_info.internal_id, node_info.possible_count);
#if DEBUG
if (flags & B_FLAVOR_IS_LOCAL)
printf("BMediaRoster::InstantiateDormantNode: caller requested B_FLAVOR_IS_LOCAL\n");
if (flags & B_FLAVOR_IS_GLOBAL)
printf("BMediaRoster::InstantiateDormantNode: caller requested B_FLAVOR_IS_GLOBAL\n");
if (node_info.flavor_flags & B_FLAVOR_IS_LOCAL)
printf("BMediaRoster::InstantiateDormantNode: node requires B_FLAVOR_IS_LOCAL\n");
if (node_info.flavor_flags & B_FLAVOR_IS_GLOBAL)
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 ((node_info.flavor_flags & B_FLAVOR_IS_GLOBAL) && (flags & B_FLAVOR_IS_LOCAL)) {
ERROR("BMediaRoster::InstantiateDormantNode: requested B_FLAVOR_IS_LOCAL, but dormant node has B_FLAVOR_IS_GLOBAL\n");
return B_NAME_NOT_FOUND;
}
if ((node_info.flavor_flags & B_FLAVOR_IS_LOCAL) && (flags & B_FLAVOR_IS_GLOBAL)) {
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 ((node_info.flavor_flags & B_FLAVOR_IS_GLOBAL) || (flags & B_FLAVOR_IS_GLOBAL)) {
printf("BMediaRoster::InstantiateDormantNode: creating global object in media_addon_server\n");
addonserver_instantiate_dormant_node_request request;
addonserver_instantiate_dormant_node_reply reply;
request.addonid = in_info.addon;
request.flavorid = in_info.flavor_id;
request.creator_team = team; // creator team is allowed to also release global nodes
rv = QueryAddonServer(ADDONSERVER_INSTANTIATE_DORMANT_NODE, &request, sizeof(request), &reply, sizeof(reply));
if (rv == B_OK) {
*out_node = reply.node;
}
} else {
// creator team = -1, as this is a local node
rv = MediaRosterEx(this)->InstantiateDormantNode(in_info.addon, in_info.flavor_id, -1, out_node);
}
if (rv != B_OK) {
*out_node = media_node::null;
return B_NAME_NOT_FOUND;
}
return B_OK;
}
status_t
BMediaRoster::InstantiateDormantNode(const dormant_node_info & in_info,
media_node * out_node)
{
return InstantiateDormantNode(in_info, out_node, 0);
}
status_t
BMediaRoster::GetDormantNodeFor(const media_node & node,
dormant_node_info * out_info)
{
CALLED();
if (out_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;
*out_info = reply.node_info;
return B_OK;
}
status_t
BMediaRosterEx::GetDormantFlavorInfo(media_addon_id addonid,
int32 flavorid,
dormant_flavor_info * out_flavor)
{
CALLED();
if (out_flavor == NULL)
return B_BAD_VALUE;
xfer_server_get_dormant_flavor_info msg;
xfer_server_get_dormant_flavor_info_reply *reply;
port_id port;
status_t rv;
int32 code;
port = find_port(MEDIA_SERVER_PORT_NAME);
if (port <= B_OK)
return B_ERROR;
reply = (xfer_server_get_dormant_flavor_info_reply *) malloc(16000);
if (reply == 0)
return B_ERROR;
msg.addon = addonid;
msg.flavor_id = flavorid;
msg.reply_port = _PortPool->GetPort();
rv = write_port(port, SERVER_GET_DORMANT_FLAVOR_INFO, &msg, sizeof(msg));
if (rv != B_OK) {
free(reply);
_PortPool->PutPort(msg.reply_port);
return rv;
}
rv = read_port(msg.reply_port, &code, reply, 16000);
_PortPool->PutPort(msg.reply_port);
if (rv < B_OK) {
free(reply);
return rv;
}
if (reply->result == B_OK)
rv = out_flavor->Unflatten(reply->dfi_type, &reply->dfi, reply->dfi_size);
else
rv = reply->result;
free(reply);
return rv;
}
status_t
BMediaRoster::GetDormantFlavorInfoFor(const dormant_node_info & in_dormant,
dormant_flavor_info * out_flavor)
{
return MediaRosterEx(this)->GetDormantFlavorInfo(in_dormant.addon, in_dormant.flavor_id, out_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 * out_latency)
{
CALLED();
if (out_latency == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(producer))
return B_MEDIA_BAD_NODE;
if ((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;
*out_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 * out_latency,
uint32 * out_flags /* = NULL */)
{
CALLED();
if (out_latency == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(producer))
return B_MEDIA_BAD_NODE;
if ((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;
*out_latency = reply.initial_latency;
if (out_flags)
*out_flags = reply.flags;
printf("BMediaRoster::GetInitialLatencyFor producer %ld has maximum initial latency %Ld\n", producer.node, *out_latency);
return B_OK;
}
status_t
BMediaRoster::GetStartLatencyFor(const media_node & time_source,
bigtime_t * out_latency)
{
CALLED();
if (out_latency == NULL)
return B_BAD_VALUE;
if (IS_INVALID_NODE(time_source))
return B_MEDIA_BAD_NODE;
if ((time_source.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(time_source.port, TIMESOURCE_GET_START_LATENCY, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
*out_latency = reply.start_latency;
printf("BMediaRoster::GetStartLatencyFor timesource %ld has maximum initial latency %Ld\n", time_source.node, *out_latency);
return B_OK;
}
status_t
BMediaRoster::GetFileFormatsFor(const media_node & file_interface,
media_file_format * out_formats,
int32 * io_num_infos)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::SetRefFor(const media_node & file_interface,
const entry_ref & file,
bool create_and_truncate,
bigtime_t * out_length) /* if create is false */
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetRefFor(const media_node & node,
entry_ref * out_file,
BMimeType * mime_type)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::SniffRefFor(const media_node & file_interface,
const entry_ref & file,
BMimeType * mime_type,
float * out_capability)
{
UNIMPLEMENTED();
return B_ERROR;
}
/* This is the generic "here's a file, now can someone please play it" interface */
status_t
BMediaRoster::SniffRef(const entry_ref & file,
uint64 require_node_kinds, /* if you need an EntityInterface or BufferConsumer or something */
dormant_node_info * out_node,
BMimeType * mime_type)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetDormantNodeForType(const BMimeType & type,
uint64 require_node_kinds,
dormant_node_info * out_node)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetReadFileFormatsFor(const dormant_node_info & in_node,
media_file_format * out_read_formats,
int32 in_read_count,
int32 * out_read_count)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetWriteFileFormatsFor(const dormant_node_info & in_node,
media_file_format * out_write_formats,
int32 in_write_count,
int32 * out_write_count)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetFormatFor(const media_output & output,
media_format * io_format,
uint32 flags)
{
CALLED();
if (io_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; // XXX 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;
*io_format = reply.format;
return B_OK;
}
status_t
BMediaRoster::GetFormatFor(const media_input & input,
media_format * io_format,
uint32 flags)
{
CALLED();
if (io_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;
memset(&request.format, 0, sizeof(request.format)); // wildcard
rv = QueryPort(input.destination.port, CONSUMER_ACCEPT_FORMAT, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK)
return rv;
*io_format = reply.format;
return B_OK;
}
status_t
BMediaRoster::GetFormatFor(const media_node & node,
media_format * io_format,
float quality)
{
UNIMPLEMENTED();
if (io_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 * outArray,
size_t inMaxCount)
{
UNIMPLEMENTED();
return B_ERROR;
}
media_node_id
BMediaRoster::NodeIDFor(port_id source_or_destination_port)
{
CALLED();
server_node_id_for_request request;
server_node_id_for_reply reply;
status_t rv;
request.port = source_or_destination_port;
rv = QueryServer(SERVER_NODE_ID_FOR, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaRoster::NodeIDFor: failed (error %#lx)\n", rv);
return -1;
}
return reply.nodeid;
}
status_t
BMediaRoster::GetInstancesFor(media_addon_id addon,
int32 flavor,
media_node_id * out_id,
int32 * io_count)
{
CALLED();
if (out_id == NULL)
return B_BAD_VALUE;
if (io_count && *io_count <= 0)
return B_BAD_VALUE;
server_get_instances_for_request request;
server_get_instances_for_reply reply;
status_t rv;
request.maxcount = (io_count ? *io_count : 1);
request.addon_id = addon;
request.addon_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(io_count)
*io_count = reply.count;
if (reply.count > 0)
memcpy(out_id, reply.node_id, sizeof(media_node_id) * reply.count);
return B_OK;
}
status_t
BMediaRoster::SetRealtimeFlags(uint32 in_enabled)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetRealtimeFlags(uint32 * out_enabled)
{
UNIMPLEMENTED();
return B_ERROR;
}
ssize_t
BMediaRoster::AudioBufferSizeFor(int32 channel_count,
uint32 sample_format,
float frame_rate,
bus_type bus_kind)
{
bigtime_t buffer_duration;
ssize_t buffer_size;
system_info info;
get_system_info(&info);
if (info.cpu_clock_speed > 2000000000)
buffer_duration = 2500;
else if (info.cpu_clock_speed > 1000000000)
buffer_duration = 5000;
else if (info.cpu_clock_speed > 600000000)
buffer_duration = 10000;
else if (info.cpu_clock_speed > 200000000)
buffer_duration = 20000;
else if (info.cpu_clock_speed > 100000000)
buffer_duration = 30000;
else
buffer_duration = 50000;
if ((bus_kind == B_ISA_BUS || bus_kind == B_PCMCIA_BUS) && buffer_duration < 25000)
buffer_duration = 25000;
buffer_size = (sample_format & 0xf) * channel_count * (ssize_t)((frame_rate * buffer_duration) / 1000000.0);
printf("Suggested buffer duration %Ld, size %ld\n", buffer_duration, buffer_size);
return buffer_size;
}
/* 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 * buf,
size_t maxSize)
{
UNIMPLEMENTED();
return 0;
}
/* BLooper overrides */
/* virtual */ void
BMediaRoster::MessageReceived(BMessage * message)
{
switch (message->what) {
case 'PING':
{
// media_server plays ping-pong with the BMediaRosters
// to detect dead teams. Normal communication uses ports.
static BMessage pong('PONG');
message->SendReply(&pong, static_cast<BHandler *>(NULL), 2000000);
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.
// XXX If a node is released using BMediaRoster::ReleaseNode()
// XXX instead of using BMediaNode::Release() / BMediaNode::Acquire()
// XXX fRefCount of the BMediaNode will not be correct.
BMediaNode *node;
message->FindPointer("node", reinterpret_cast<void **>(&node));
TRACE("BMediaRoster::MessageReceived NODE_FINAL_RELEASE saving node %ld configuration\n", node->ID());
MediaRosterEx(BMediaRoster::Roster())->SaveNodeConfiguration(node);
TRACE("BMediaRoster::MessageReceived NODE_FINAL_RELEASE releasing node %ld\n", node->ID());
node->DeleteHook(node); // we don't call Release(), see above!
return;
}
}
printf("BMediaRoster::MessageReceived: unknown message!\n");
message->PrintToStream();
}
/* virtual */ bool
BMediaRoster::QuitRequested()
{
UNIMPLEMENTED();
return true;
}
/* virtual */ BHandler *
BMediaRoster::ResolveSpecifier(BMessage *msg,
int32 index,
BMessage *specifier,
int32 form,
const char *property)
{
return BLooper::ResolveSpecifier(msg, index, specifier, form, property);
}
/* virtual */ status_t
BMediaRoster::GetSupportedSuites(BMessage *data)
{
return BLooper::GetSupportedSuites(data);
}
BMediaRoster::~BMediaRoster()
{
CALLED();
// unregister this application with the media server
server_unregister_app_request request;
server_unregister_app_reply reply;
request.team = team;
QueryServer(SERVER_UNREGISTER_APP, &request, sizeof(request), &reply, sizeof(reply));
}
/*************************************************************
* private BMediaRoster
*************************************************************/
// deprecated call
status_t
BMediaRoster::SetOutputBuffersFor(const media_source & output,
BBufferGroup * group,
bool will_reclaim )
{
UNIMPLEMENTED();
debugger("BMediaRoster::SetOutputBuffersFor missing\n");
return B_ERROR;
}
/* FBC stuffing (Mmmh, Stuffing!) */
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();
}
/* static */ status_t
BMediaRoster::ParseCommand(BMessage & reply)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::GetDefaultInfo(media_node_id for_default,
BMessage & out_config)
{
UNIMPLEMENTED();
return B_ERROR;
}
status_t
BMediaRoster::SetRunningDefault(media_node_id for_default,
const media_node & node)
{
UNIMPLEMENTED();
return B_ERROR;
}
/*************************************************************
* static BMediaRoster variables
*************************************************************/
bool BMediaRoster::_isMediaServer;
port_id BMediaRoster::_mReplyPort;
int32 BMediaRoster::_mReplyPortRes;
int32 BMediaRoster::_mReplyPortUnavailCount;
BMediaRoster * BMediaRoster::_sDefault = NULL;