first commit

2013-09-30 19:37:13 -07:00
commit f255ae1922
545 changed files with 95469 additions and 0 deletions
--- a/libobs/media-io/audio-io.h
+++ b/libobs/media-io/audio-io.h
@@ -0,0 +1,91 @@
+/******************************************************************************
+    Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+******************************************************************************/
+
+#ifndef AUDIO_IO_H
+#define AUDIO_IO_H
+
+#include "../util/c99defs.h"
+#include "media-io.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Base audio output component.  Use this to create an audio output track
+ * for the media.
+ */
+
+struct audio_output;
+typedef struct audio_output *audio_t;
+
+enum audio_type {
+	AUDIO_FORMAT_UNKNOWN,
+	AUDIO_FORMAT_8BIT,
+	AUDIO_FORMAT_16BIT,
+	AUDIO_FORMAT_24BIT,
+	AUDIO_FORMAT_32BIT,
+	AUDIO_FORMAT_FLOAT,
+};
+
+enum speaker_setup {
+	SPEAKERS_UNKNOWN,
+	SPEAKERS_MONO,
+	SPEAKERS_STEREO,
+	SPEAKERS_2POINT1,
+	SPEAKERS_QUAD,
+	SPEAKERS_4POINT1,
+	SPEAKERS_5POINT1,
+	SPEAKERS_5POINT1_SURROUND,
+	SPEAKERS_7POINT1,
+	SPEAKERS_7POINT1_SURROUND,
+	SPEAKERS_SURROUND,
+};
+
+struct audio_data {
+	void            *data;
+	uint32_t        frames;
+	uint32_t        speakers;
+	uint32_t        samples_per_sec;
+	enum audio_type type;
+	uint64_t        timestamp;
+};
+
+struct audio_info {
+	const char         *name;
+	const char         *format;
+
+	uint32_t           channels;
+	uint32_t           samples_per_sec;
+	enum audio_type    type;
+	enum speaker_setup speakers;
+};
+
+#define AUDIO_OUTPUT_SUCCESS       0
+#define AUDIO_OUTPUT_INVALIDPARAM -1
+#define AUDIO_OUTPUT_FAIL         -2
+
+EXPORT int audio_output_open(audio_t *audio, media_t media,
+		struct audio_info *info);
+EXPORT void audio_output_data(audio_t audio, struct audio_data *data);
+EXPORT void audio_output_close(audio_t audio);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif