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/*******************************************************************************
* Copyright (C) 2018 Cadence Design Systems, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to use this Software with Cadence processor cores only and
* not with any other processors and platforms, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************/
/*******************************************************************************
* xa-vorbis-decoder.c
*
* VORBIS decoder plugin - thin wrapper around VORBISDEC library
*
******************************************************************************/
#define MODULE_TAG VORBISDEC
/*******************************************************************************
* Includes
******************************************************************************/
#include "xf-plugin.h"
#include "audio/xa-audio-decoder-api.h"
#include "xa_vorbis_dec_api.h"
/*******************************************************************************
* Override GET-CONFIG-PARAM function
******************************************************************************/
static inline XA_ERRORCODE xa_vorbis_get_config_param(xa_codec_handle_t handle, WORD32 i_idx, pVOID pv_value)
{
/* ...translate "standard" parameter index into internal value */
switch (i_idx)
{
case XA_CODEC_CONFIG_PARAM_CHANNELS:
/* ...return number of output channels */
i_idx = XA_VORBISDEC_CONFIG_PARAM_NUM_CHANNELS;
break;
case XA_CODEC_CONFIG_PARAM_SAMPLE_RATE:
/* ...return output sampling frequency */
i_idx = XA_VORBISDEC_CONFIG_PARAM_SAMP_FREQ;
break;
case XA_CODEC_CONFIG_PARAM_PCM_WIDTH:
/* ...return sample bit-width */
i_idx = XA_VORBISDEC_CONFIG_PARAM_PCM_WDSZ;
break;
}
/* ...pass to library */
return xa_vorbis_dec(handle, XA_API_CMD_GET_CONFIG_PARAM, i_idx, pv_value);
}
/*******************************************************************************
* API entry point
******************************************************************************/
XA_ERRORCODE xa_vorbis_decoder(xa_codec_handle_t p_xa_module_obj, WORD32 i_cmd, WORD32 i_idx, pVOID pv_value)
{
/* ...process common audio-decoder commands */
if (i_cmd == XA_API_CMD_GET_CONFIG_PARAM)
{
return xa_vorbis_get_config_param(p_xa_module_obj, i_idx, pv_value);
}
else
{
return xa_vorbis_dec(p_xa_module_obj, i_cmd, i_idx, pv_value);
}
}
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