/*************************************************************************/ /* video_player.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (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: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* 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 "video_player.h" #include "os/os.h" int VideoPlayer::InternalStream::get_channel_count() const { return player->sp_get_channel_count(); } void VideoPlayer::InternalStream::set_mix_rate(int p_rate){ return player->sp_set_mix_rate(p_rate); } bool VideoPlayer::InternalStream::mix(int32_t *p_buffer,int p_frames){ return player->sp_mix(p_buffer,p_frames); } void VideoPlayer::InternalStream::update(){ player->sp_update(); } int VideoPlayer::sp_get_channel_count() const { return playback->get_channels(); } void VideoPlayer::sp_set_mix_rate(int p_rate){ server_mix_rate=p_rate; } bool VideoPlayer::sp_mix(int32_t *p_buffer,int p_frames) { if (resampler.is_ready()) { return resampler.mix(p_buffer,p_frames); } return false; } void VideoPlayer::sp_update() { #if 0 _THREAD_SAFE_METHOD_ //update is unused if (!paused && playback.is_valid()) { if (!playback->is_playing()) { //stream depleted data, but there's still audio in the ringbuffer //check that all this audio has been flushed before stopping the stream int to_mix = resampler.get_total() - resampler.get_todo(); if (to_mix==0) { stop(); return; } return; } int todo =resampler.get_todo(); int wrote = playback->mix(resampler.get_write_buffer(),todo); resampler.write(wrote); } #endif } int VideoPlayer::_audio_mix_callback(void* p_udata,const int16_t *p_data,int p_frames) { VideoPlayer *vp=(VideoPlayer*)p_udata; int todo=MIN(vp->resampler.get_todo(),p_frames); int16_t *wb = vp->resampler.get_write_buffer(); int c = vp->resampler.get_channel_count(); for(int i=0;iresampler.write(todo); return todo; } void VideoPlayer::_notification(int p_notification) { switch (p_notification) { case NOTIFICATION_ENTER_TREE: { if (stream.is_valid() && autoplay && !get_tree()->is_editor_hint()) { play(); } } break; case NOTIFICATION_INTERNAL_PROCESS: { if (stream.is_null()) return; if (paused) return; if (!playback->is_playing()) return; double audio_time = USEC_TO_SEC(OS::get_singleton()->get_ticks_usec()); //AudioServer::get_singleton()->get_mix_time(); double delta = last_audio_time==0?0:audio_time-last_audio_time; last_audio_time=audio_time; if (delta==0) return; playback->update(delta); } break; case NOTIFICATION_DRAW: { if (texture.is_null()) return; if (texture->get_width() == 0) return; Size2 s=expand?get_size():texture->get_size(); draw_texture_rect(texture,Rect2(Point2(),s),false); } break; }; }; Size2 VideoPlayer::get_minimum_size() const { if (!expand && !texture.is_null()) return texture->get_size(); else return Size2(); } void VideoPlayer::set_expand(bool p_expand) { expand=p_expand; update(); minimum_size_changed(); } bool VideoPlayer::has_expand() const { return expand; } void VideoPlayer::set_stream(const Ref &p_stream) { stop(); stream=p_stream; if (stream.is_valid()) { stream->set_audio_track(audio_track); playback=stream->instance_playback(); } else { playback=Ref(); } if (!playback.is_null()) { playback->set_loop(loops); playback->set_paused(paused); texture=playback->get_texture(); const int channels = playback->get_channels(); AudioServer::get_singleton()->lock(); if (channels > 0) resampler.setup(channels,playback->get_mix_rate(),server_mix_rate,buffering_ms,0); else resampler.clear(); AudioServer::get_singleton()->unlock(); if (channels > 0) playback->set_mix_callback(_audio_mix_callback,this); } else { texture.unref(); AudioServer::get_singleton()->lock(); resampler.clear(); AudioServer::get_singleton()->unlock(); } update(); }; Ref VideoPlayer::get_stream() const { return stream; }; void VideoPlayer::play() { ERR_FAIL_COND(!is_inside_tree()); if (playback.is_null()) return; playback->stop(); playback->play(); set_process_internal(true); AudioServer::get_singleton()->stream_set_active(stream_rid,true); AudioServer::get_singleton()->stream_set_volume_scale(stream_rid,volume); last_audio_time=0; }; void VideoPlayer::stop() { if (!is_inside_tree()) return; if (playback.is_null()) return; playback->stop(); AudioServer::get_singleton()->stream_set_active(stream_rid,false); resampler.flush(); set_process_internal(false); last_audio_time=0; }; bool VideoPlayer::is_playing() const { if (playback.is_null()) return false; return playback->is_playing(); }; void VideoPlayer::set_paused(bool p_paused) { paused=p_paused; if (playback.is_valid()) { playback->set_paused(p_paused); set_process_internal(!p_paused); }; last_audio_time = 0; }; bool VideoPlayer::is_paused() const { return paused; } void VideoPlayer::set_buffering_msec(int p_msec) { buffering_ms=p_msec; } int VideoPlayer::get_buffering_msec() const{ return buffering_ms; } void VideoPlayer::set_audio_track(int p_track) { audio_track=p_track; } int VideoPlayer::get_audio_track() const { return audio_track; } void VideoPlayer::set_volume(float p_vol) { volume=p_vol; }; float VideoPlayer::get_volume() const { return volume; }; void VideoPlayer::set_volume_db(float p_db) { if (p_db<-79) set_volume(0); else set_volume(Math::db2linear(p_db)); }; float VideoPlayer::get_volume_db() const { if (volume==0) return -80; else return Math::linear2db(volume); }; String VideoPlayer::get_stream_name() const { if (stream.is_null()) return ""; return stream->get_name(); }; float VideoPlayer::get_stream_pos() const { if (playback.is_null()) return 0; return playback->get_pos(); }; Ref VideoPlayer::get_video_texture() { if (playback.is_valid()) return playback->get_texture(); return Ref (); } void VideoPlayer::set_autoplay(bool p_enable) { autoplay=p_enable; }; bool VideoPlayer::has_autoplay() const { return autoplay; }; void VideoPlayer::_bind_methods() { ClassDB::bind_method(_MD("set_stream","stream:VideoStream"),&VideoPlayer::set_stream); ClassDB::bind_method(_MD("get_stream:VideoStream"),&VideoPlayer::get_stream); ClassDB::bind_method(_MD("play"),&VideoPlayer::play); ClassDB::bind_method(_MD("stop"),&VideoPlayer::stop); ClassDB::bind_method(_MD("is_playing"),&VideoPlayer::is_playing); ClassDB::bind_method(_MD("set_paused","paused"),&VideoPlayer::set_paused); ClassDB::bind_method(_MD("is_paused"),&VideoPlayer::is_paused); ClassDB::bind_method(_MD("set_volume","volume"),&VideoPlayer::set_volume); ClassDB::bind_method(_MD("get_volume"),&VideoPlayer::get_volume); ClassDB::bind_method(_MD("set_volume_db","db"),&VideoPlayer::set_volume_db); ClassDB::bind_method(_MD("get_volume_db"),&VideoPlayer::get_volume_db); ClassDB::bind_method(_MD("set_audio_track","track"),&VideoPlayer::set_audio_track); ClassDB::bind_method(_MD("get_audio_track"),&VideoPlayer::get_audio_track); ClassDB::bind_method(_MD("get_stream_name"),&VideoPlayer::get_stream_name); ClassDB::bind_method(_MD("get_stream_pos"),&VideoPlayer::get_stream_pos); ClassDB::bind_method(_MD("set_autoplay","enabled"),&VideoPlayer::set_autoplay); ClassDB::bind_method(_MD("has_autoplay"),&VideoPlayer::has_autoplay); ClassDB::bind_method(_MD("set_expand","enable"), &VideoPlayer::set_expand ); ClassDB::bind_method(_MD("has_expand"), &VideoPlayer::has_expand ); ClassDB::bind_method(_MD("set_buffering_msec","msec"),&VideoPlayer::set_buffering_msec); ClassDB::bind_method(_MD("get_buffering_msec"),&VideoPlayer::get_buffering_msec); ClassDB::bind_method(_MD("get_video_texture:Texture"), &VideoPlayer::get_video_texture ); ADD_PROPERTY( PropertyInfo(Variant::INT, "audio_track",PROPERTY_HINT_RANGE,"0,128,1"), _SCS("set_audio_track"), _SCS("get_audio_track") ); ADD_PROPERTY( PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE,"VideoStream"), _SCS("set_stream"), _SCS("get_stream") ); //ADD_PROPERTY( PropertyInfo(Variant::BOOL, "stream/loop"), _SCS("set_loop"), _SCS("has_loop") ); ADD_PROPERTY( PropertyInfo(Variant::REAL, "volume_db", PROPERTY_HINT_RANGE,"-80,24,0.01"), _SCS("set_volume_db"), _SCS("get_volume_db") ); ADD_PROPERTY( PropertyInfo(Variant::BOOL, "autoplay"), _SCS("set_autoplay"), _SCS("has_autoplay") ); ADD_PROPERTY( PropertyInfo(Variant::BOOL, "paused"), _SCS("set_paused"), _SCS("is_paused") ); ADD_PROPERTY( PropertyInfo( Variant::BOOL, "expand" ), _SCS("set_expand"),_SCS("has_expand") ); } VideoPlayer::VideoPlayer() { volume=1; loops = false; paused = false; autoplay = false; expand = true; loops = false; audio_track=0; buffering_ms=500; server_mix_rate=44100; internal_stream.player=this; stream_rid=AudioServer::get_singleton()->audio_stream_create(&internal_stream); last_audio_time=0; }; VideoPlayer::~VideoPlayer() { if (stream_rid.is_valid()) AudioServer::get_singleton()->free(stream_rid); resampler.clear(); //Not necessary here, but make in consistent with other "stream_player" classes };