/* * Copyright (C) 2023 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @addtogroup AudioDecoder * @{ * * @brief The AudioDecoder module provides functions for audio decoding. * * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @since 9 */ /** * @file native_avcodec_audiodecoder.h * * @brief Declare the Native API used for audio decoding. * * @kit AVCodecKit * @library libnative_media_adec.so * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @since 9 */ #ifndef NATIVE_AVCODEC_AUDIODECODER_H #define NATIVE_AVCODEC_AUDIODECODER_H #include #include #include "native_avcodec_base.h" #ifdef __cplusplus extern "C" { #endif /** * @brief Creates an audio decoder instance from the mime type, which is recommended in most cases. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param mime mime type description string, refer to {@link AVCODEC_MIME_TYPE} * @return Returns a Pointer to an OH_AVCodec instance * @deprecated since 11 * @useinstead OH_AudioCodec_CreateByMime * @since 9 * @version 1.0 */ OH_AVCodec *OH_AudioDecoder_CreateByMime(const char *mime); /** * @brief Create an audio decoder instance through the audio decoder name. * The premise of using this interface is to know the exact name of the decoder. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param name Audio codec name * @return Returns a Pointer to an OH_AVCodec instance * @deprecated since 11 * @useinstead OH_AudioCodec_CreateByName * @since 9 * @version 1.0 */ OH_AVCodec *OH_AudioDecoder_CreateByName(const char *name); /** * @brief Clear the internal resources of the decoder and destroy the decoder instance * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_Destroy * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_Destroy(OH_AVCodec *codec); /** * @brief Set the asynchronous callback function so that your application * can respond to the events generated by the audio decoder. This interface must be called before Prepare is called. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @param callback A collection of all callback functions, see {@link OH_AVCodecAsyncCallback} * @param userData User specific data * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_RegisterCallback * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_SetCallback(OH_AVCodec *codec, OH_AVCodecAsyncCallback callback, void *userData); /** * @brief To configure the audio decoder, typically, you need to configure the description information of the decoded * audio track, which can be extracted from the OH_AVSource. This interface must be called before Prepare is called. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @param format A pointer to an OH_AVFormat giving a description of the audio track to be decoded * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_Configure * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_Configure(OH_AVCodec *codec, OH_AVFormat *format); /** * @brief To prepare the internal resources of the decoder, the Configure interface must be called * before calling this interface. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_Prepare * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_Prepare(OH_AVCodec *codec); /** * @brief Start the decoder, this interface must be called after the Prepare is successful. * After being successfully started, the decoder will start reporting NeedInputData events. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_Start * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_Start(OH_AVCodec *codec); /** * @brief Stop the decoder. After stopping, you can re-enter the Started state through Start, * but it should be noted that need to re-enter if the decoder has been input before * Codec-Specific-Data. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_Stop * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_Stop(OH_AVCodec *codec); /** * @brief Clear the input and output data buffered in the decoder. After this interface is called, all the Buffer * indexes previously reported through the asynchronous callback will be invalidated, make sure not to access * the Buffers corresponding to these indexes. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_Flush * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_Flush(OH_AVCodec *codec); /** * @brief Reset the decoder. To continue decoding, you need to call the Configure interface again to * configure the decoder instance. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_Reset * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_Reset(OH_AVCodec *codec); /** * @brief Get the description information of the output data of the decoder, refer to {@link OH_AVFormat} for details. * It should be noted that the life cycle of the OH_AVFormat instance pointed to by the return value * needs to * be manually released by the caller * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @return Returns the OH_AVFormat handle pointer, the life cycle is refreshed with the next GetOutputMediaDescription, * or destroyed with OH_AVCodec; * @deprecated since 11 * @useinstead OH_AudioCodec_GetOutputDescription * @since 9 * @version 1.0 */ OH_AVFormat *OH_AudioDecoder_GetOutputDescription(OH_AVCodec *codec); /** * @brief Set dynamic parameters to the decoder. Note: This interface can only be called after the decoder is started. * At the same time, incorrect parameter settings may cause decoding failure. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @param format OH_AVFormat handle pointer * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_SetParameter * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_SetParameter(OH_AVCodec *codec, OH_AVFormat *format); /** * @brief Submit the input buffer filled with data to the audio decoder. The {@link OH_AVCodecOnNeedInputData} callback * will report the available input buffer and the corresponding index value. Once the buffer with the specified index * is submitted to the audio decoder, the buffer cannot be accessed again until the {@link OH_AVCodecOnNeedInputData} * callback is received again reporting that the buffer with the same index is available. In addition, for some * decoders, it is required to input Codec-Specific-Data to the decoder at the beginning to initialize the decoding * process of the decoder. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @param index Enter the index value corresponding to the Buffer * @param attr Information describing the data contained in the Buffer * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_PushInputBuffer * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_PushInputData(OH_AVCodec *codec, uint32_t index, OH_AVCodecBufferAttr attr); /** * @brief Return the processed output Buffer to the decoder. * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @param index The index value corresponding to the output Buffer * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_FreeOutputBuffer * @since 9 * @version 1.0 */ OH_AVErrCode OH_AudioDecoder_FreeOutputData(OH_AVCodec *codec, uint32_t index); /** * @brief Check whether the current codec instance is valid. It can be used fault recovery or app * switchback from the background * @syscap SystemCapability.Multimedia.Media.AudioDecoder * @param codec Pointer to an OH_AVCodec instance * @param isValid Output Parameter. A pointer to a boolean instance, it is true if the codec instance is valid, * false if the codec instance is invalid * @return Returns AV_ERR_OK if the execution is successful, * otherwise returns a specific error code, refer to {@link OH_AVErrCode} * @deprecated since 11 * @useinstead OH_AudioCodec_IsValid * @since 10 */ OH_AVErrCode OH_AudioDecoder_IsValid(OH_AVCodec *codec, bool *isValid); #ifdef __cplusplus } #endif #endif // NATIVE_AVCODEC_AUDIODECODER_H /** @} */