20fb7e1898
audio offload playback, change data form to streaming. Signed-off-by: qiaohaijiao1 <qiaohaijiao1@xiaomi.com>
105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/****************************************************************************
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* apps/system/nxplayer/nxplayer_common.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <debug.h>
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#include <nuttx/audio/audio.h>
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#include "system/nxplayer.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxplayer_fill_common
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*
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* nxplayer_fill_common fill data into apb buffer.
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*
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****************************************************************************/
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int nxplayer_fill_common(int fd, FAR struct ap_buffer_s *apb)
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{
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/* Read data into the buffer. */
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apb->nbytes = read(fd, apb->samp, apb->nmaxbytes);
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apb->curbyte = 0;
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apb->flags = 0;
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#ifdef CONFIG_NXPLAYER_HTTP_STREAMING_SUPPORT
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/* read data up to nmaxbytes from network */
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while (0 < apb->nbytes && apb->nbytes < apb->nmaxbytes)
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{
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int n = apb->nmaxbytes - apb->nbytes;
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int ret = read(fd, &apb->samp[apb->nbytes], n);
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if (0 >= ret)
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{
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break;
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}
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apb->nbytes += ret;
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}
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#endif
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if (apb->nbytes < apb->nmaxbytes)
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{
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#if defined (CONFIG_DEBUG_AUDIO_INFO) || defined (CONFIG_DEBUG_AUDIO_ERROR)
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int errcode = errno;
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audinfo("Closing audio file, nbytes=%d errcode=%d\n",
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apb->nbytes, errcode);
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#endif
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/* Set a flag to indicate that this is the final buffer in the stream */
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apb->flags |= AUDIO_APB_FINAL;
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#ifdef CONFIG_DEBUG_AUDIO_ERROR
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/* Was this a file read error */
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if (apb->nbytes == 0 && errcode != 0)
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{
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DEBUGASSERT(errcode > 0);
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auderr("ERROR: fread failed: %d\n", errcode);
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}
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#endif
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return -ENODATA;
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}
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/* Return OK to indicate that the buffer should be passed through to the
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* audio device. This does not necessarily indicate that data was read
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* correctly.
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*/
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return OK;
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}
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