427 lines
12 KiB
C
427 lines
12 KiB
C
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/*******************************************************************************
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/
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/ File: MediaRoster.h
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/
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/ Description: The BMediaRoster is the main application interface to the Media Kit
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/
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/ Copyright 1997-98, Be Incorporated, All Rights Reserved
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/
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*******************************************************************************/
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#if !defined(_MEDIA_ROSTER_H)
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#define _MEDIA_ROSTER_H
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#include <MediaDefs.h>
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#include <MediaNode.h>
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#include <config_manager.h>
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class BMimeType;
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struct dormant_flavor_info;
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class BMediaAddOn;
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namespace BPrivate { namespace media {
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class DefaultDeleter;
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class BMediaRosterEx;
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} } // BPrivate::media
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class BMediaRoster : public BLooper
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{
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public:
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status_t GetVideoInput(
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media_node * out_node);
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status_t GetAudioInput(
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media_node * out_node);
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status_t GetVideoOutput(
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media_node * out_node);
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status_t GetAudioMixer(
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media_node * out_node);
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status_t GetAudioOutput(
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media_node * out_node); /* Use the mixer rather than the output for most needs! */
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status_t GetAudioOutput(
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media_node * out_node,
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int32 * out_input_id,
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BString * out_input_name);
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status_t GetTimeSource(
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media_node * out_node);
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status_t SetVideoInput(
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const media_node & producer);
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status_t SetVideoInput(
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const dormant_node_info & producer);
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status_t SetAudioInput(
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const media_node & producer);
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status_t SetAudioInput(
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const dormant_node_info & producer);
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status_t SetVideoOutput(
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const media_node & consumer);
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status_t SetVideoOutput(
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const dormant_node_info & consumer);
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status_t SetAudioOutput(
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const media_node & consumer);
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status_t SetAudioOutput(
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const media_input & input_to_output);
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status_t SetAudioOutput(
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const dormant_node_info & consumer);
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/* Get a media_node from a node ID -- this is how you reference your own nodes! */
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status_t GetNodeFor(
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media_node_id node,
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media_node * clone);
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status_t GetSystemTimeSource( /* typically, you want to use GetTimeSource() */
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media_node * clone);
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status_t ReleaseNode( /* might shut down Node if you're last */
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const media_node & node);
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BTimeSource * MakeTimeSourceFor( /* Release() the object when done */
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const media_node & for_node);
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/* note that the media_source and media_destination found in */
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/* out_output and out_input are the ones actually used; from and to */
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/* are only "hints" that the app should not use once a real connection */
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/* has been established */
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status_t Connect(
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const media_source & from,
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const media_destination & to,
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media_format * io_format,
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media_output * out_output,
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media_input * out_input);
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enum connect_flags {
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B_CONNECT_MUTED = 0x1
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};
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status_t Connect(
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const media_source & from,
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const media_destination & to,
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media_format * io_format,
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media_output * out_output,
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media_input * out_input,
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uint32 in_flags,
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void * _reserved = 0);
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status_t Disconnect(
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media_node_id source_node,
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const media_source & source,
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media_node_id destination_node,
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const media_destination & destination);
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status_t StartNode(
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const media_node & node,
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bigtime_t at_performance_time);
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status_t StopNode(
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const media_node & node,
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bigtime_t at_performance_time,
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bool immediate = false); /* immediate -> at_time is insignificant */
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status_t SeekNode(
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const media_node & node,
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bigtime_t to_media_time,
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bigtime_t at_performance_time = 0 /* if running */ );
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status_t StartTimeSource(
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const media_node & node,
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bigtime_t at_real_time);
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status_t StopTimeSource(
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const media_node & node,
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bigtime_t at_real_time,
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bool immediate = false);
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status_t SeekTimeSource(
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const media_node & node,
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bigtime_t to_performance_time,
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bigtime_t at_real_time);
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status_t SyncToNode(
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const media_node & node,
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bigtime_t at_time,
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bigtime_t timeout = B_INFINITE_TIMEOUT);
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status_t SetRunModeNode(
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const media_node & node,
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BMediaNode::run_mode mode);
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status_t PrerollNode( /* synchronous */
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const media_node & node);
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status_t RollNode(
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const media_node & node,
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bigtime_t startPerformance,
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bigtime_t stopPerformance,
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bigtime_t atMediaTime = -B_INFINITE_TIMEOUT);
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status_t SetProducerRunModeDelay( /* should only be used with B_RECORDING */
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const media_node & node,
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bigtime_t delay,
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BMediaNode::run_mode mode = BMediaNode::B_RECORDING);
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status_t SetProducerRate( /* not necessarily supported by node */
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const media_node & producer,
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int32 numer,
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int32 denom);
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/* Nodes will have available inputs/outputs as long as they are capable */
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/* of accepting more connections. The node may create an additional */
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/* output or input as the currently available is taken into usage. */
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status_t GetLiveNodeInfo(
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const media_node & node,
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live_node_info * out_live_info);
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status_t GetLiveNodes(
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live_node_info * out_live_nodes,
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int32 * io_total_count,
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const media_format * has_input = NULL,
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const media_format * has_output = NULL,
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const char * name = NULL,
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uint64 node_kinds = 0); /* B_BUFFER_PRODUCER etc */
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status_t GetFreeInputsFor(
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const media_node & node,
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media_input * out_free_inputs,
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int32 buf_num_inputs,
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int32 * out_total_count,
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media_type filter_type = B_MEDIA_UNKNOWN_TYPE);
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status_t GetConnectedInputsFor(
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const media_node & node,
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media_input * out_active_inputs,
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int32 buf_num_inputs,
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int32 * out_total_count);
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status_t GetAllInputsFor(
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const media_node & node,
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media_input * out_inputs,
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int32 buf_num_inputs,
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int32 * out_total_count);
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status_t GetFreeOutputsFor(
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const media_node & node,
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media_output * out_free_outputs,
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int32 buf_num_outputs,
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int32 * out_total_count,
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media_type filter_type = B_MEDIA_UNKNOWN_TYPE);
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status_t GetConnectedOutputsFor(
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const media_node & node,
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media_output * out_active_outputs,
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int32 buf_num_outputs,
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int32 * out_total_count);
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status_t GetAllOutputsFor(
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const media_node & node,
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media_output * out_outputs,
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int32 buf_num_outputs,
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int32 * out_total_count);
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status_t StartWatching(
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const BMessenger & where);
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status_t StartWatching(
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const BMessenger & where,
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int32 notificationType);
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status_t StartWatching(
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const BMessenger & where,
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const media_node & node,
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int32 notificationType);
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status_t StopWatching(
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const BMessenger & where);
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status_t StopWatching(
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const BMessenger & where,
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int32 notificationType);
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status_t StopWatching(
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const BMessenger & where,
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const media_node & node,
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int32 notificationType);
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status_t RegisterNode(
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BMediaNode * node);
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status_t UnregisterNode(
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BMediaNode * node);
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static BMediaRoster * Roster( // will create if there isn't one
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status_t * out_error = NULL); // thread safe for multiple calls to Roster()
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static BMediaRoster * CurrentRoster(); // won't create it if there isn't one
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// not thread safe if you call Roster() at the same time
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status_t SetTimeSourceFor(
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media_node_id node,
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media_node_id time_source);
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status_t GetParameterWebFor(
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const media_node & node,
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BParameterWeb ** out_web);
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status_t StartControlPanel(
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const media_node & node,
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BMessenger * out_messenger = NULL);
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status_t GetDormantNodes(
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dormant_node_info * out_info,
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int32 * io_count,
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const media_format * has_input = NULL,
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const media_format * has_output = NULL,
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const char * name = NULL,
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uint64 require_kinds = 0,
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uint64 deny_kinds = 0);
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status_t InstantiateDormantNode(
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const dormant_node_info & in_info,
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media_node * out_node,
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uint32 flags /* currently B_FLAVOR_IS_GLOBAL or B_FLAVOR_IS_LOCAL */ );
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status_t InstantiateDormantNode(
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const dormant_node_info & in_info,
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media_node * out_node);
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status_t GetDormantNodeFor(
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const media_node & node,
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dormant_node_info * out_info);
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status_t GetDormantFlavorInfoFor(
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const dormant_node_info & in_dormant,
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dormant_flavor_info * out_flavor);
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status_t GetLatencyFor(
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const media_node & producer,
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bigtime_t * out_latency);
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status_t GetInitialLatencyFor(
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const media_node & producer,
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bigtime_t * out_latency,
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uint32 * out_flags = 0);
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status_t GetStartLatencyFor(
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const media_node & time_source,
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bigtime_t * out_latency);
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status_t GetFileFormatsFor(
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const media_node & file_interface,
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media_file_format * out_formats,
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int32 * io_num_infos);
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status_t SetRefFor(
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const media_node & file_interface,
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const entry_ref & file,
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bool create_and_truncate,
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bigtime_t * out_length); /* if create is false */
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status_t GetRefFor(
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const media_node & node,
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entry_ref * out_file,
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BMimeType * mime_type = NULL);
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status_t SniffRefFor(
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const media_node & file_interface,
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const entry_ref & file,
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BMimeType * mime_type,
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float * out_capability);
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/* This is the generic "here's a file, now can someone please play it" interface */
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status_t SniffRef(
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const entry_ref & file,
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uint64 require_node_kinds, /* if you need an EntityInterface or BufferConsumer or something */
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dormant_node_info * out_node,
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BMimeType * mime_type = NULL);
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status_t GetDormantNodeForType(
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const BMimeType & type,
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uint64 require_node_kinds,
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dormant_node_info * out_node);
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status_t GetReadFileFormatsFor(
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const dormant_node_info & in_node,
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media_file_format * out_read_formats,
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int32 in_read_count,
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int32 * out_read_count);
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status_t GetWriteFileFormatsFor(
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const dormant_node_info & in_node,
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media_file_format * out_write_formats,
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int32 in_write_count,
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int32 * out_write_count);
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status_t GetFormatFor(
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const media_output & output,
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media_format * io_format,
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uint32 flags = 0);
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status_t GetFormatFor(
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const media_input & input,
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media_format * io_format,
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uint32 flags = 0);
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status_t GetFormatFor(
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const media_node & node,
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media_format * io_format,
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float quality = B_MEDIA_ANY_QUALITY);
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ssize_t GetNodeAttributesFor(
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const media_node & node,
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media_node_attribute * outArray,
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size_t inMaxCount);
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media_node_id NodeIDFor(
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port_id source_or_destination_port);
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status_t GetInstancesFor(
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media_addon_id addon,
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int32 flavor,
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media_node_id * out_id,
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int32 * io_count = 0); // default to 1
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status_t SetRealtimeFlags(
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uint32 in_enabled);
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status_t GetRealtimeFlags(
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uint32 * out_enabled);
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ssize_t AudioBufferSizeFor(
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int32 channel_count,
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uint32 sample_format,
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float frame_rate,
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bus_type bus_kind = B_UNKNOWN_BUS);
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/* Use MediaFlags to inquire about specific features of the Media Kit. */
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/* Returns < 0 for "not present", positive size for output data size. */
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/* 0 means that the capability is present, but no data about it. */
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static ssize_t MediaFlags(
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media_flags cap,
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void * buf,
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size_t maxSize);
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/* BLooper overrides */
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virtual void MessageReceived(
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BMessage * message);
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virtual bool QuitRequested();
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virtual BHandler * ResolveSpecifier(
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BMessage *msg,
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int32 index,
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BMessage *specifier,
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int32 form,
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const char *property);
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virtual status_t GetSupportedSuites(
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BMessage *data);
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~BMediaRoster();
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private:
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// deprecated call
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|
status_t SetOutputBuffersFor(
|
||
|
|
const media_source & output,
|
||
|
|
BBufferGroup * group,
|
||
|
|
bool will_reclaim = false);
|
||
|
|
|
||
|
|
/* FBC stuffing (Mmmh, Stuffing!) */
|
||
|
|
virtual status_t _Reserved_MediaRoster_0(void *);
|
||
|
|
virtual status_t _Reserved_MediaRoster_1(void *);
|
||
|
|
virtual status_t _Reserved_MediaRoster_2(void *);
|
||
|
|
virtual status_t _Reserved_MediaRoster_3(void *);
|
||
|
|
virtual status_t _Reserved_MediaRoster_4(void *);
|
||
|
|
virtual status_t _Reserved_MediaRoster_5(void *);
|
||
|
|
virtual status_t _Reserved_MediaRoster_6(void *);
|
||
|
|
virtual status_t _Reserved_MediaRoster_7(void *);
|
||
|
|
|
||
|
|
friend class BPrivate::media::DefaultDeleter;
|
||
|
|
friend class BPrivate::media::BMediaRosterEx;
|
||
|
|
|
||
|
|
static bool _isMediaServer;
|
||
|
|
|
||
|
|
BMediaRoster();
|
||
|
|
|
||
|
|
static port_id _mReplyPort;
|
||
|
|
static int32 _mReplyPortRes;
|
||
|
|
static int32 _mReplyPortUnavailCount;
|
||
|
|
|
||
|
|
uint32 _reserved_media_roster_[67];
|
||
|
|
|
||
|
|
|
||
|
|
static BMediaRoster * _sDefault;
|
||
|
|
|
||
|
|
static status_t ParseCommand(
|
||
|
|
BMessage & reply);
|
||
|
|
|
||
|
|
status_t GetDefaultInfo(
|
||
|
|
media_node_id for_default,
|
||
|
|
BMessage & out_config);
|
||
|
|
status_t SetRunningDefault(
|
||
|
|
media_node_id for_default,
|
||
|
|
const media_node & node);
|
||
|
|
|
||
|
|
static port_id checkout_reply_port(
|
||
|
|
const char * name = NULL);
|
||
|
|
static void checkin_reply_port(
|
||
|
|
port_id port);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _MEDIA_ROSTER_H */
|
||
|
|
|