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obs-audio-capture: Helper class for automated capture of source audio

This commit is contained in:
Michael Fabian 'Xaymar' Dirks 2018-04-27 23:34:26 +02:00
parent 1a6b26ee7a
commit 57c2daa80c
3 changed files with 87 additions and 0 deletions
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2
CMakeLists.txt
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@ -109,6 +109,7 @@ SET(obs-stream-effects_HEADERS
"${PROJECT_SOURCE_DIR}/source/gs-texture.h"
"${PROJECT_SOURCE_DIR}/source/gs-vertex.h"
"${PROJECT_SOURCE_DIR}/source/gs-vertexbuffer.h"
"${PROJECT_SOURCE_DIR}/source/obs-audio-capture.h"
"${PROJECT_BINARY_DIR}/source/version.h"
"${PROJECT_SOURCE_DIR}/source/strings.h"
"${PROJECT_SOURCE_DIR}/source/util-math.h"
@ -133,6 +134,7 @@ SET(obs-stream-effects_SOURCES
"${PROJECT_SOURCE_DIR}/source/gs-texture.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-vertex.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-vertexbuffer.cpp"
"${PROJECT_SOURCE_DIR}/source/obs-audio-capture.cpp"
"${PROJECT_SOURCE_DIR}/source/util-math.cpp"
"${PROJECT_SOURCE_DIR}/source/util-memory.cpp"
)

44
source/obs-audio-capture.cpp Normal file
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@ -0,0 +1,44 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2018 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "obs-audio-capture.h"
void obs::audio_capture::audio_capture_cb(void* data, obs_source_t*, const struct audio_data* audio, bool muted) {
auto self = reinterpret_cast<obs::audio_capture*>(data);
self->cb(self->cb_data, audio, muted);
}
obs::audio_capture::audio_capture(obs_source_t* source) {
this->source = source;
obs_source_add_audio_capture_callback(this->source, audio_capture_cb, this);
}
obs::audio_capture::~audio_capture() {
obs_source_remove_audio_capture_callback(this->source, audio_capture_cb, this);
}
void obs::audio_capture::set_callback(audio_capture_callback_t cb, void* data) {
this->cb = cb;
this->cb_data = data;
}
void obs::audio_capture::set_callback(audio_capture_callback_t cb) {
this->cb = cb;
this->cb_data = nullptr;
}

41
source/obs-audio-capture.h Normal file
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@ -0,0 +1,41 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2018 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include <obs.h>
#include <functional>
namespace obs {
typedef std::function<void(void* data, struct audio_data const *audio, bool muted)> audio_capture_callback_t;
class audio_capture {
obs_source_t* source;
audio_capture_callback_t cb;
void* cb_data;
static void audio_capture_cb(void*, obs_source_t*, struct audio_data const *, bool);
public:
audio_capture(obs_source_t* source);
virtual ~audio_capture();
void set_callback(audio_capture_callback_t cb, void* data);
void set_callback(audio_capture_callback_t cb);
};
}