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fad6c3ec4b
* Add avfoundation Go and C bindings * Add darwin camera adapter * Add darwin camera support to README
79 lines
3.2 KiB
C
79 lines
3.2 KiB
C
// MIT License
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//
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// Copyright (c) 2019-2020 Pion
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// 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, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include <stddef.h>
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#define MAX_DEVICES 8
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#define MAX_PROPERTIES 64
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#define MAX_DEVICE_UID_CHARS 64
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typedef const char* STATUS;
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static STATUS STATUS_OK = (STATUS) NULL;
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static STATUS STATUS_NULL_ARG = (STATUS) "One of the arguments was null";
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static STATUS STATUS_DEVICE_INIT_FAILED = (STATUS) "Failed to init device";
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static STATUS STATUS_UNSUPPORTED_FRAME_FORMAT = (STATUS) "Unsupported frame format";
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static STATUS STATUS_UNSUPPORTED_MEDIA_TYPE = (STATUS) "Unsupported media type";
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static STATUS STATUS_FAILED_TO_ACQUIRE_LOCK = (STATUS) "Failed to acquire a lock";
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static STATUS STATUS_UNSUPPORTED_FORMAT = (STATUS) "Unsupported device format";
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typedef enum AVBindMediaType {
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AVBindMediaTypeVideo,
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AVBindMediaTypeAudio,
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} AVBindMediaType;
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typedef enum AVBindFrameFormat {
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AVBindFrameFormatI420,
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AVBindFrameFormatNV21,
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AVBindFrameFormatYUY2,
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AVBindFrameFormatUYVY,
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} AVBindFrameFormat;
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typedef void (*AVBindDataCallback)(void *userData, void *buf, int len);
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typedef struct AVBindMediaProperty {
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// video property
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int width, height;
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AVBindFrameFormat frameFormat;
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// audio property
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} AVBindMediaProperty, *PAVBindMediaProperty;
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typedef struct AVBindSession AVBindSession, *PAVBindSession;
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typedef struct {
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char uid[MAX_DEVICE_UID_CHARS + 1];
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} AVBindDevice, *PAVBindDevice;
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// AVBindDevices returns a list of AVBindDevices. The result array is pointing to a static
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// memory. The caller is expected to not hold on to the address for a long time and make a copy.
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// Everytime this function gets called, the array will be overwritten and the memory will be reused.
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STATUS AVBindDevices(AVBindMediaType, PAVBindDevice*, int*);
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STATUS AVBindSessionInit(AVBindDevice, PAVBindSession*);
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STATUS AVBindSessionFree(PAVBindSession*);
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STATUS AVBindSessionOpen(PAVBindSession, AVBindMediaProperty, AVBindDataCallback, void*);
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STATUS AVBindSessionClose(PAVBindSession);
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STATUS AVBindSessionProperties(PAVBindSession, PAVBindMediaProperty*, int*);
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