1 /* 2 * Copyright (C) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef NATIVE_AVSOURCE_H 17 #define NATIVE_AVSOURCE_H 18 19 #include <stdint.h> 20 #include "native_avcodec_base.h" 21 #include "native_averrors.h" 22 #include "native_avformat.h" 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 typedef struct OH_AVSource OH_AVSource; 29 30 /** 31 * @brief Creates an OH_AVSource instance that models the media at the URI. 32 * @syscap SystemCapability.Multimedia.Media.Spliter 33 * @param uri An URI for a remote media resource. 34 * @return Returns a pointer to an OH_AVSource instance 35 * @since 10 36 */ 37 OH_AVSource *OH_AVSource_CreateWithURI(char *uri); 38 39 /** 40 * @brief Creates an OH_AVSource instance that models the media at the FileDescriptor. 41 * @syscap SystemCapability.Multimedia.Media.Spliter 42 * @param fd The fileDescriptor of data source. 43 * @param offset The offset into the file to start reading. 44 * @param size The file size in bytes. 45 * @return Returns a pointer to an OH_AVSource instance 46 * @since 10 47 */ 48 OH_AVSource *OH_AVSource_CreateWithFD(int32_t fd, int64_t offset, int64_t size); 49 50 /** 51 * @brief Destroy the OH_AVSource instance and free the internal resources. 52 * @syscap SystemCapability.Multimedia.Media.Spliter 53 * @param source Pointer to an OH_AVSource instance. 54 * @return Returns AV_ERR_OK if the execution is successful, 55 * otherwise returns a specific error code, refer to {@link OH_AVErrCode} 56 * @since 10 57 */ 58 OH_AVErrCode OH_AVSource_Destroy(OH_AVSource *source); 59 60 /** 61 * @brief Get the format info of source. 62 * @syscap SystemCapability.Multimedia.Media.Spliter 63 * @param source Pointer to an OH_AVSource instance. 64 * @return Returns the source's format info. 65 * @since 10 66 */ 67 OH_AVFormat *OH_AVSource_GetSourceFormat(OH_AVSource *source); 68 69 /** 70 * @brief Get the format info of track. 71 * @syscap SystemCapability.Multimedia.Media.Spliter 72 * @param source Pointer to an OH_AVSource instance. 73 * @param trackIndex The track index to get format. 74 * @return Returns the track's format info. 75 * @since 10 76 */ 77 OH_AVFormat *OH_AVSource_GetTrackFormat(OH_AVSource *source, uint32_t trackIndex); 78 79 #ifdef __cplusplus 80 } 81 #endif 82 83 #endif // NATIVE_AVSOURCE_H