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haiku/src/kits/media/BufferConsumer.cpp

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/*
* Copyright (c) 2002, 2003 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.
*/
#include "BufferCache.h"
#include <BufferConsumer.h>
#include <stdlib.h>
#include <string.h>
#include <AutoDeleter.h>
#include <BufferProducer.h>
#include <BufferGroup.h>
#include <Buffer.h>
#include <TimeSource.h>
#include <MediaDebug.h>
#include <MediaMisc.h>
#include <DataExchange.h>
BBufferConsumer::~BBufferConsumer()
{
CALLED();
delete fBufferCache;
delete fDeleteBufferGroup;
}
// #pragma mark - public BBufferConsumer
media_type
BBufferConsumer::ConsumerType()
{
CALLED();
return fConsumerType;
}
/*static*/ status_t
BBufferConsumer::RegionToClipData(const BRegion* region, int32* _format,
int32 *_size, void* data)
{
CALLED();
int count = *_size / sizeof(int16);
status_t status = BBufferProducer::clip_region_to_shorts(region,
static_cast<int16 *>(data), count, &count);
*_size = count * sizeof(int16);
*_format = BBufferProducer::B_CLIP_SHORT_RUNS;
return status;
}
// #pragma mark - protected BBufferConsumer
BBufferConsumer::BBufferConsumer(media_type consumerType)
:
BMediaNode("called by BBufferConsumer"),
fConsumerType(consumerType),
fBufferCache(new BPrivate::BufferCache),
fDeleteBufferGroup(0)
{
CALLED();
AddNodeKind(B_BUFFER_CONSUMER);
}
/*static*/ void
BBufferConsumer::NotifyLateProducer(const media_source& whatSource,
bigtime_t howMuch, bigtime_t performanceTime)
{
CALLED();
if (IS_INVALID_SOURCE(whatSource))
return;
producer_late_notice_received_command command;
command.source = whatSource;
command.how_much = howMuch;
command.performance_time = performanceTime;
SendToPort(whatSource.port, PRODUCER_LATE_NOTICE_RECEIVED, &command,
sizeof(command));
}
status_t
BBufferConsumer::SetVideoClippingFor(const media_source& output,
const media_destination& destination, const int16* shorts, int32 shortCount,
const media_video_display_info& display, void* userData, int32* _changeTag,
void *_reserved_)
{
CALLED();
if (IS_INVALID_SOURCE(output))
return B_MEDIA_BAD_SOURCE;
if (IS_INVALID_DESTINATION(destination))
return B_MEDIA_BAD_DESTINATION;
if (shortCount > int(B_MEDIA_MESSAGE_SIZE
- sizeof(producer_video_clipping_changed_command)) / 2) {
debugger("BBufferConsumer::SetVideoClippingFor short_count too large "
"(8000 limit)\n");
}
producer_video_clipping_changed_command* command;
size_t size = sizeof(producer_video_clipping_changed_command)
+ shortCount * sizeof(short);
command
= static_cast<producer_video_clipping_changed_command*>(malloc(size));
if (command == NULL)
return B_NO_MEMORY;
command->source = output;
command->destination = destination;
command->display = display;
command->user_data = userData;
command->change_tag = NewChangeTag();
command->short_count = shortCount;
memcpy(command->shorts, shorts, shortCount * sizeof(short));
if (_changeTag != NULL)
*_changeTag = command->change_tag;
status_t status = SendToPort(output.port, PRODUCER_VIDEO_CLIPPING_CHANGED,
command, size);
free(command);
return status;
}
status_t
BBufferConsumer::SetOutputEnabled(const media_source &source,
const media_destination &destination,
bool enabled,
void *user_data,
int32 *change_tag,
void *_reserved_)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
if (IS_INVALID_DESTINATION(destination))
return B_MEDIA_BAD_DESTINATION;
producer_enable_output_command command;
command.source = source;
command.destination = destination;
command.enabled = enabled;
command.user_data = user_data;
command.change_tag = NewChangeTag();
if (change_tag != NULL)
*change_tag = command.change_tag;
return SendToPort(source.port, PRODUCER_ENABLE_OUTPUT, &command, sizeof(command));
}
status_t
BBufferConsumer::RequestFormatChange(const media_source &source,
const media_destination &destination,
const media_format &to_format,
void *user_data,
int32 *change_tag,
void *_reserved_)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
if (IS_INVALID_DESTINATION(destination))
return B_MEDIA_BAD_DESTINATION;
producer_format_change_requested_command command;
command.source = source;
command.destination = destination;
command.format = to_format;
command.user_data = user_data;
command.change_tag = NewChangeTag();
if (change_tag != NULL)
*change_tag = command.change_tag;
return SendToPort(source.port, PRODUCER_FORMAT_CHANGE_REQUESTED, &command, sizeof(command));
}
status_t
BBufferConsumer::RequestAdditionalBuffer(const media_source &source,
BBuffer *prev_buffer,
void *_reserved)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
producer_additional_buffer_requested_command command;
command.source = source;
command.prev_buffer = prev_buffer->ID();
command.prev_time = 0;
command.has_seek_tag = false;
//command.prev_tag =
return SendToPort(source.port, PRODUCER_ADDITIONAL_BUFFER_REQUESTED, &command, sizeof(command));
}
status_t
BBufferConsumer::RequestAdditionalBuffer(const media_source& source,
bigtime_t startTime, void *_reserved)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
producer_additional_buffer_requested_command command;
command.source = source;
command.prev_buffer = 0;
command.prev_time = startTime;
command.has_seek_tag = false;
return SendToPort(source.port, PRODUCER_ADDITIONAL_BUFFER_REQUESTED,
&command, sizeof(command));
}
status_t
BBufferConsumer::SetOutputBuffersFor(const media_source &source,
const media_destination &destination, BBufferGroup *group, void *user_data,
int32 *change_tag, bool will_reclaim, void *_reserved_)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
if (IS_INVALID_DESTINATION(destination))
return B_MEDIA_BAD_DESTINATION;
int32 buffer_count = 0;
if (group != NULL) {
if (group->CountBuffers(&buffer_count) != B_OK)
return B_ERROR;
}
size_t size = sizeof(producer_set_buffer_group_command)
+ buffer_count * sizeof(media_buffer_id);
producer_set_buffer_group_command *command
= static_cast<producer_set_buffer_group_command *>(malloc(size));
MemoryDeleter deleter(command);
command->source = source;
command->destination = destination;
command->user_data = user_data;
command->change_tag = NewChangeTag();
BBuffer *buffers[buffer_count];
if (buffer_count != 0) {
if (group->GetBufferList(buffer_count, buffers) != B_OK)
return B_ERROR;
for (int32 i = 0; i < buffer_count; i++)
command->buffers[i] = buffers[i]->ID();
}
command->buffer_count = buffer_count;
if (change_tag != NULL)
*change_tag = command->change_tag;
status_t status = SendToPort(source.port, PRODUCER_SET_BUFFER_GROUP,
command, size);
if (status == B_OK) {
// XXX will leak memory if port write failed
delete fDeleteBufferGroup;
fDeleteBufferGroup = will_reclaim ? NULL : group;
}
return status;
}
status_t
BBufferConsumer::SendLatencyChange(const media_source& source,
const media_destination& destination, bigtime_t newLatency, uint32 flags)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
if (IS_INVALID_DESTINATION(destination))
return B_MEDIA_BAD_DESTINATION;
producer_latency_changed_command command;
command.source = source;
command.destination = destination;
command.latency = newLatency;
command.flags = flags;
TRACE("###### BBufferConsumer::SendLatencyChange: latency from %" B_PRId32 "/%" B_PRId32 " to "
"%" B_PRId32 "/%" B_PRId32 " changed to %" B_PRId64 "\n", source.port, source.id,
destination.port, destination.id, newLatency);
return SendToPort(source.port, PRODUCER_LATENCY_CHANGED, &command,
sizeof(command));
}
status_t
BBufferConsumer::HandleMessage(int32 message, const void* data, size_t size)
{
PRINT(4, "BBufferConsumer::HandleMessage %#lx, node %ld\n", message, ID());
status_t rv;
switch (message) {
case CONSUMER_ACCEPT_FORMAT:
{
const consumer_accept_format_request* request
= static_cast<const consumer_accept_format_request*>(data);
consumer_accept_format_reply reply;
reply.format = request->format;
status_t status = AcceptFormat(request->dest, &reply.format);
request->SendReply(status, &reply, sizeof(reply));
return B_OK;
}
case CONSUMER_GET_NEXT_INPUT:
{
const consumer_get_next_input_request *request = static_cast<const consumer_get_next_input_request *>(data);
consumer_get_next_input_reply reply;
reply.cookie = request->cookie;
rv = GetNextInput(&reply.cookie, &reply.input);
request->SendReply(rv, &reply, sizeof(reply));
return B_OK;
}
case CONSUMER_DISPOSE_INPUT_COOKIE:
{
const consumer_dispose_input_cookie_request *request = static_cast<const consumer_dispose_input_cookie_request *>(data);
consumer_dispose_input_cookie_reply reply;
DisposeInputCookie(request->cookie);
request->SendReply(B_OK, &reply, sizeof(reply));
return B_OK;
}
case CONSUMER_BUFFER_RECEIVED:
{
const consumer_buffer_received_command* command
= static_cast<const consumer_buffer_received_command*>(data);
BBuffer* buffer = fBufferCache->GetBuffer(command->buffer,
command->header.source_port);
if (buffer == NULL) {
ERROR("BBufferConsumer::CONSUMER_BUFFER_RECEIVED can't"
"find the buffer\n");
} else {
buffer->SetHeader(&command->header);
PRINT(4, "calling BBufferConsumer::BufferReceived buffer %ld "
"at perf %Ld and TimeSource()->Now() is %Ld\n",
buffer->Header()->buffer, buffer->Header()->start_time,
TimeSource()->Now());
BufferReceived(buffer);
}
return B_OK;
}
case CONSUMER_PRODUCER_DATA_STATUS:
{
const consumer_producer_data_status_command *command = static_cast<const consumer_producer_data_status_command *>(data);
ProducerDataStatus(command->for_whom, command->status, command->at_performance_time);
return B_OK;
}
case CONSUMER_GET_LATENCY_FOR:
{
const consumer_get_latency_for_request *request = static_cast<const consumer_get_latency_for_request *>(data);
consumer_get_latency_for_reply reply;
rv = GetLatencyFor(request->for_whom, &reply.latency, &reply.timesource);
request->SendReply(rv, &reply, sizeof(reply));
return B_OK;
}
case CONSUMER_CONNECTED:
{
const consumer_connected_request *request = static_cast<const consumer_connected_request *>(data);
consumer_connected_reply reply;
reply.input = request->input;
rv = Connected(request->input.source, request->input.destination, request->input.format, &reply.input);
request->SendReply(rv, &reply, sizeof(reply));
return B_OK;
}
case CONSUMER_DISCONNECTED:
{
const consumer_disconnected_request *request = static_cast<const consumer_disconnected_request *>(data);
// We no longer need to cache the buffers requested by the other end
// of this port.
fBufferCache->FlushCacheForPort(request->source.port);
consumer_disconnected_reply reply;
Disconnected(request->source, request->destination);
request->SendReply(B_OK, &reply, sizeof(reply));
return B_OK;
}
case CONSUMER_FORMAT_CHANGED:
{
const consumer_format_changed_request *request = static_cast<const consumer_format_changed_request *>(data);
consumer_format_changed_reply reply;
rv = FormatChanged(request->producer, request->consumer, request->change_tag, request->format);
request->SendReply(rv, &reply, sizeof(reply));
// XXX is this RequestCompleted() correct?
node_request_completed_command completedcommand;
completedcommand.info.what = media_request_info::B_FORMAT_CHANGED;
completedcommand.info.change_tag = request->change_tag;
completedcommand.info.status = reply.result;
//completedcommand.info.cookie
completedcommand.info.user_data = 0;
completedcommand.info.source = request->producer;
completedcommand.info.destination = request->consumer;
completedcommand.info.format = request->format;
SendToPort(request->consumer.port, NODE_REQUEST_COMPLETED, &completedcommand, sizeof(completedcommand));
return B_OK;
}
case CONSUMER_SEEK_TAG_REQUESTED:
{
const consumer_seek_tag_requested_request *request = static_cast<const consumer_seek_tag_requested_request *>(data);
consumer_seek_tag_requested_reply reply;
rv = SeekTagRequested(request->destination, request->target_time, request->flags, &reply.seek_tag, &reply.tagged_time, &reply.flags);
request->SendReply(rv, &reply, sizeof(reply));
return B_OK;
}
}
return B_ERROR;
}
status_t
BBufferConsumer::SeekTagRequested(const media_destination &destination,
bigtime_t in_target_time,
uint32 in_flags,
media_seek_tag *out_seek_tag,
bigtime_t *out_tagged_time,
uint32 *out_flags)
{
CALLED();
// may be implemented by derived classes
return B_ERROR;
}
// #pragma mark - private BBufferConsumer
/*
not implemented:
BBufferConsumer::BBufferConsumer()
BBufferConsumer::BBufferConsumer(const BBufferConsumer &clone)
BBufferConsumer & BBufferConsumer::operator=(const BBufferConsumer &clone)
*/
/*! Deprecated function for BeOS R4.
*/
/* static */ status_t
BBufferConsumer::SetVideoClippingFor(const media_source &output,
const int16 *shorts,
int32 short_count,
const media_video_display_info &display,
int32 *change_tag)
{
CALLED();
if (IS_INVALID_SOURCE(output))
return B_MEDIA_BAD_SOURCE;
if (short_count > int(B_MEDIA_MESSAGE_SIZE - sizeof(producer_video_clipping_changed_command)) / 2)
debugger("BBufferConsumer::SetVideoClippingFor short_count too large (8000 limit)\n");
producer_video_clipping_changed_command *command;
size_t size;
status_t rv;
size = sizeof(producer_video_clipping_changed_command) + short_count * sizeof(short);
command = static_cast<producer_video_clipping_changed_command *>(malloc(size));
command->source = output;
command->destination = media_destination::null;
command->display = display;
command->user_data = 0;
command->change_tag = NewChangeTag();
command->short_count = short_count;
memcpy(command->shorts, shorts, short_count * sizeof(short));
if (change_tag != NULL)
*change_tag = command->change_tag;
rv = SendToPort(output.port, PRODUCER_VIDEO_CLIPPING_CHANGED, command, size);
free(command);
return rv;
}
/*! Deprecated function for BeOS R4.
*/
/*static*/ status_t
BBufferConsumer::RequestFormatChange(const media_source& source,
const media_destination& destination, media_format* format,
int32* _changeTag)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
if (IS_INVALID_DESTINATION(destination))
return B_MEDIA_BAD_DESTINATION;
producer_format_change_requested_command command;
command.source = source;
command.destination = destination;
command.format = *format;
command.user_data = 0;
command.change_tag = NewChangeTag();
if (_changeTag != NULL)
*_changeTag = command.change_tag;
return SendToPort(source.port, PRODUCER_FORMAT_CHANGE_REQUESTED, &command,
sizeof(command));
}
/*! Deprecated function for BeOS R4.
*/
/*static*/ status_t
BBufferConsumer::SetOutputEnabled(const media_source& source, bool enabled,
int32* _changeTag)
{
CALLED();
if (IS_INVALID_SOURCE(source))
return B_MEDIA_BAD_SOURCE;
producer_enable_output_command command;
command.source = source;
command.destination = media_destination::null;
command.enabled = enabled;
command.user_data = 0;
command.change_tag = NewChangeTag();
if (_changeTag != NULL)
*_changeTag = command.change_tag;
return SendToPort(source.port, PRODUCER_ENABLE_OUTPUT, &command,
sizeof(command));
}
status_t BBufferConsumer::_Reserved_BufferConsumer_0(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_1(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_2(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_3(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_4(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_5(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_6(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_7(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_8(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_9(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_10(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_11(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_12(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_13(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_14(void*) { return B_ERROR; }
status_t BBufferConsumer::_Reserved_BufferConsumer_15(void*) { return B_ERROR; }
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