2016-06-18 20:46:12 +08:00
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/*************************************************************************/
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/* video_stream_theora.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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2017-08-27 20:16:55 +08:00
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/* https://godotengine.org */
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2016-06-18 20:46:12 +08:00
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/*************************************************************************/
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2021-01-02 03:13:46 +08:00
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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2016-06-18 20:46:12 +08:00
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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2018-01-05 07:50:27 +08:00
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2014-02-10 09:10:30 +08:00
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#ifndef VIDEO_STREAM_THEORA_H
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#define VIDEO_STREAM_THEORA_H
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2021-06-11 20:51:48 +08:00
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#include "core/io/file_access.h"
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2018-09-12 00:13:45 +08:00
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#include "core/io/resource_loader.h"
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#include "core/os/semaphore.h"
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#include "core/os/thread.h"
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2020-11-08 06:33:38 +08:00
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#include "core/templates/ring_buffer.h"
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2021-02-11 02:22:13 +08:00
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#include "core/templates/safe_refcount.h"
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2016-10-14 01:40:40 +08:00
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#include "scene/resources/video_stream.h"
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2017-09-15 04:45:02 +08:00
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#include "servers/audio_server.h"
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2016-10-14 01:40:40 +08:00
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#include <theora/theoradec.h>
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#include <vorbis/codec.h>
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2015-12-06 10:16:41 +08:00
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//#define THEORA_USE_THREAD_STREAMING
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2014-02-10 09:10:30 +08:00
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2015-09-27 01:50:42 +08:00
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class VideoStreamPlaybackTheora : public VideoStreamPlayback {
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2017-01-03 10:03:46 +08:00
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GDCLASS(VideoStreamPlaybackTheora, VideoStreamPlayback);
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2014-02-10 09:10:30 +08:00
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enum {
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MAX_FRAMES = 4,
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};
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//Image frames[MAX_FRAMES];
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2021-02-08 17:57:18 +08:00
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Image::Format format = Image::Format::FORMAT_L8;
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2020-02-18 05:06:54 +08:00
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Vector<uint8_t> frame_data;
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2021-02-08 17:57:18 +08:00
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int frames_pending = 0;
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FileAccess *file = nullptr;
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2014-02-10 09:10:30 +08:00
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String file_name;
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2021-02-08 17:57:18 +08:00
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int audio_frames_wrote = 0;
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2014-02-10 09:10:30 +08:00
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Point2i size;
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int buffer_data();
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int queue_page(ogg_page *page);
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2020-05-14 17:11:27 +08:00
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void video_write();
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2014-02-10 09:10:30 +08:00
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float get_time() const;
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2021-02-08 17:57:18 +08:00
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bool theora_eos = false;
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bool vorbis_eos = false;
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2015-11-03 20:30:28 +08:00
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2017-03-05 23:44:50 +08:00
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ogg_sync_state oy;
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ogg_page og;
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2014-02-10 09:10:30 +08:00
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ogg_stream_state vo;
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ogg_stream_state to;
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2017-03-05 23:44:50 +08:00
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th_info ti;
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th_comment tc;
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2021-02-08 17:57:18 +08:00
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th_dec_ctx *td = nullptr;
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2017-03-05 23:44:50 +08:00
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vorbis_info vi;
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2014-02-10 09:10:30 +08:00
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vorbis_dsp_state vd;
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2017-03-05 23:44:50 +08:00
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vorbis_block vb;
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vorbis_comment vc;
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th_pixel_fmt px_fmt;
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2021-02-08 17:57:18 +08:00
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double videobuf_time = 0;
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int pp_inc = 0;
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2014-02-10 09:10:30 +08:00
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2021-02-08 17:57:18 +08:00
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int theora_p = 0;
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int vorbis_p = 0;
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int pp_level_max = 0;
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int pp_level = 0;
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int videobuf_ready = 0;
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2014-02-10 09:10:30 +08:00
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2021-02-08 17:57:18 +08:00
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bool playing = false;
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bool buffering = false;
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2014-02-10 09:10:30 +08:00
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2021-02-08 17:57:18 +08:00
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double last_update_time = 0;
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double time = 0;
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double delay_compensation = 0;
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2014-02-10 09:10:30 +08:00
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2015-09-27 01:50:42 +08:00
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Ref<ImageTexture> texture;
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2014-02-10 09:10:30 +08:00
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2015-09-27 01:50:42 +08:00
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AudioMixCallback mix_callback;
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2021-02-08 17:57:18 +08:00
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void *mix_udata = nullptr;
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bool paused = false;
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2014-02-10 09:10:30 +08:00
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2015-12-06 10:16:41 +08:00
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#ifdef THEORA_USE_THREAD_STREAMING
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enum {
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2017-03-05 23:44:50 +08:00
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RB_SIZE_KB = 1024
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2015-12-06 10:16:41 +08:00
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};
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RingBuffer<uint8_t> ring_buffer;
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Vector<uint8_t> read_buffer;
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2021-02-08 17:57:18 +08:00
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bool thread_eof = false;
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2015-12-06 10:16:41 +08:00
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Semaphore *thread_sem;
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2021-01-19 20:29:41 +08:00
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Thread thread;
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2021-02-11 02:22:13 +08:00
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SafeFlag thread_exit;
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2015-12-06 10:16:41 +08:00
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static void _streaming_thread(void *ud);
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#endif
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2021-02-08 17:57:18 +08:00
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int audio_track = 0;
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2015-10-13 12:17:54 +08:00
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2015-09-27 01:50:42 +08:00
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protected:
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void clear();
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2014-02-10 09:10:30 +08:00
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2017-03-05 23:44:50 +08:00
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public:
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2020-07-10 18:34:39 +08:00
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virtual void play() override;
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virtual void stop() override;
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virtual bool is_playing() const override;
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2014-02-10 09:10:30 +08:00
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2020-07-10 18:34:39 +08:00
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virtual void set_paused(bool p_paused) override;
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virtual bool is_paused() const override;
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2014-02-10 09:10:30 +08:00
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2020-07-10 18:34:39 +08:00
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virtual void set_loop(bool p_enable) override;
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virtual bool has_loop() const override;
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2014-02-10 09:10:30 +08:00
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2020-07-10 18:34:39 +08:00
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virtual float get_length() const override;
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2014-02-10 09:10:30 +08:00
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virtual String get_stream_name() const;
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virtual int get_loop_count() const;
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2020-07-10 18:34:39 +08:00
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virtual float get_playback_position() const override;
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virtual void seek(float p_time) override;
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2014-02-10 09:10:30 +08:00
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2017-03-05 23:44:50 +08:00
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void set_file(const String &p_file);
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2014-02-10 09:10:30 +08:00
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2020-07-10 18:34:39 +08:00
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virtual Ref<Texture2D> get_texture() const override;
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virtual void update(float p_delta) override;
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2015-09-27 01:50:42 +08:00
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2020-07-10 18:34:39 +08:00
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virtual void set_mix_callback(AudioMixCallback p_callback, void *p_userdata) override;
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virtual int get_channels() const override;
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virtual int get_mix_rate() const override;
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2015-09-27 01:50:42 +08:00
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2020-07-10 18:34:39 +08:00
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virtual void set_audio_track(int p_idx) override;
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2015-09-27 01:50:42 +08:00
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VideoStreamPlaybackTheora();
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~VideoStreamPlaybackTheora();
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};
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class VideoStreamTheora : public VideoStream {
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2017-03-05 23:44:50 +08:00
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GDCLASS(VideoStreamTheora, VideoStream);
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2015-09-27 01:50:42 +08:00
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String file;
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2015-12-07 07:22:45 +08:00
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int audio_track;
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2015-10-13 12:17:54 +08:00
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2017-09-15 04:45:02 +08:00
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protected:
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static void _bind_methods();
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2015-09-27 01:50:42 +08:00
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public:
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2020-07-10 18:34:39 +08:00
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Ref<VideoStreamPlayback> instance_playback() override {
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2017-03-05 23:44:50 +08:00
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Ref<VideoStreamPlaybackTheora> pb = memnew(VideoStreamPlaybackTheora);
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2015-12-07 07:22:45 +08:00
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pb->set_audio_track(audio_track);
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2015-09-27 01:50:42 +08:00
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pb->set_file(file);
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return pb;
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}
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2017-03-05 23:44:50 +08:00
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void set_file(const String &p_file) { file = p_file; }
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2017-09-15 04:45:02 +08:00
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String get_file() { return file; }
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2020-07-10 18:34:39 +08:00
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void set_audio_track(int p_track) override { audio_track = p_track; }
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2014-02-10 09:10:30 +08:00
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2017-03-05 23:44:50 +08:00
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VideoStreamTheora() { audio_track = 0; }
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2014-02-10 09:10:30 +08:00
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};
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2018-07-04 01:22:35 +08:00
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class ResourceFormatLoaderTheora : public ResourceFormatLoader {
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public:
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2021-02-12 01:18:45 +08:00
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virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
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2018-07-04 01:22:35 +08:00
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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2014-02-10 09:10:30 +08:00
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#endif
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