415 lines
11 KiB
C++
415 lines
11 KiB
C++
/*************************************************************************/
|
|
/* 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; i < todo * c; i++) {
|
|
wb[i] = p_data[i];
|
|
}
|
|
vp->resampler.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_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<VideoStream> &p_stream) {
|
|
|
|
stop();
|
|
|
|
stream = p_stream;
|
|
if (stream.is_valid()) {
|
|
stream->set_audio_track(audio_track);
|
|
playback = stream->instance_playback();
|
|
} else {
|
|
playback = Ref<VideoStreamPlayback>();
|
|
}
|
|
|
|
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<VideoStream> 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(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(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(!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 "<No Stream>";
|
|
return stream->get_name();
|
|
};
|
|
|
|
float VideoPlayer::get_stream_pos() const {
|
|
|
|
if (playback.is_null())
|
|
return 0;
|
|
return playback->get_pos();
|
|
};
|
|
|
|
Ref<Texture> VideoPlayer::get_video_texture() {
|
|
|
|
if (playback.is_valid())
|
|
return playback->get_texture();
|
|
|
|
return Ref<Texture>();
|
|
}
|
|
|
|
void VideoPlayer::set_autoplay(bool p_enable) {
|
|
|
|
autoplay = p_enable;
|
|
};
|
|
|
|
bool VideoPlayer::has_autoplay() const {
|
|
|
|
return autoplay;
|
|
};
|
|
|
|
void VideoPlayer::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_stream", "stream:VideoStream"), &VideoPlayer::set_stream);
|
|
ObjectTypeDB::bind_method(_MD("get_stream:VideoStream"), &VideoPlayer::get_stream);
|
|
|
|
ObjectTypeDB::bind_method(_MD("play"), &VideoPlayer::play);
|
|
ObjectTypeDB::bind_method(_MD("stop"), &VideoPlayer::stop);
|
|
|
|
ObjectTypeDB::bind_method(_MD("is_playing"), &VideoPlayer::is_playing);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_paused", "paused"), &VideoPlayer::set_paused);
|
|
ObjectTypeDB::bind_method(_MD("is_paused"), &VideoPlayer::is_paused);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_volume", "volume"), &VideoPlayer::set_volume);
|
|
ObjectTypeDB::bind_method(_MD("get_volume"), &VideoPlayer::get_volume);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_volume_db", "db"), &VideoPlayer::set_volume_db);
|
|
ObjectTypeDB::bind_method(_MD("get_volume_db"), &VideoPlayer::get_volume_db);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_audio_track", "track"), &VideoPlayer::set_audio_track);
|
|
ObjectTypeDB::bind_method(_MD("get_audio_track"), &VideoPlayer::get_audio_track);
|
|
|
|
ObjectTypeDB::bind_method(_MD("get_stream_name"), &VideoPlayer::get_stream_name);
|
|
|
|
ObjectTypeDB::bind_method(_MD("get_stream_pos"), &VideoPlayer::get_stream_pos);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_autoplay", "enabled"), &VideoPlayer::set_autoplay);
|
|
ObjectTypeDB::bind_method(_MD("has_autoplay"), &VideoPlayer::has_autoplay);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_expand", "enable"), &VideoPlayer::set_expand);
|
|
ObjectTypeDB::bind_method(_MD("has_expand"), &VideoPlayer::has_expand);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_buffering_msec", "msec"), &VideoPlayer::set_buffering_msec);
|
|
ObjectTypeDB::bind_method(_MD("get_buffering_msec"), &VideoPlayer::get_buffering_msec);
|
|
|
|
ObjectTypeDB::bind_method(_MD("get_video_texture:Texture"), &VideoPlayer::get_video_texture);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "stream/audio_track", PROPERTY_HINT_RANGE, "0,128,1"), _SCS("set_audio_track"), _SCS("get_audio_track"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream/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, "stream/volume_db", PROPERTY_HINT_RANGE, "-80,24,0.01"), _SCS("set_volume_db"), _SCS("get_volume_db"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream/autoplay"), _SCS("set_autoplay"), _SCS("has_autoplay"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream/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
|
|
};
|