1 /*******************************************************************************
2 * Copyright (C) 2018 Cadence Design Systems, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to use this Software with Cadence processor cores only and
7 * not with any other processors and platforms, subject to
8 * the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included
11 * in all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
15 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
16 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
17 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
18 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
19 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21 ******************************************************************************/
22
23 /*******************************************************************************
24 * xa-vorbis-decoder.c
25 *
26 * VORBIS decoder plugin - thin wrapper around VORBISDEC library
27 *
28 ******************************************************************************/
29
30 #define MODULE_TAG VORBISDEC
31
32 /*******************************************************************************
33 * Includes
34 ******************************************************************************/
35
36 #include "xf-plugin.h"
37 #include "audio/xa-audio-decoder-api.h"
38 #include "xa_vorbis_dec_api.h"
39
40 /*******************************************************************************
41 * Override GET-CONFIG-PARAM function
42 ******************************************************************************/
43
xa_vorbis_get_config_param(xa_codec_handle_t handle,WORD32 i_idx,pVOID pv_value)44 static inline XA_ERRORCODE xa_vorbis_get_config_param(xa_codec_handle_t handle, WORD32 i_idx, pVOID pv_value)
45 {
46 /* ...translate "standard" parameter index into internal value */
47 switch (i_idx)
48 {
49 case XA_CODEC_CONFIG_PARAM_CHANNELS:
50 /* ...return number of output channels */
51 i_idx = XA_VORBISDEC_CONFIG_PARAM_NUM_CHANNELS;
52 break;
53
54 case XA_CODEC_CONFIG_PARAM_SAMPLE_RATE:
55 /* ...return output sampling frequency */
56 i_idx = XA_VORBISDEC_CONFIG_PARAM_SAMP_FREQ;
57 break;
58
59 case XA_CODEC_CONFIG_PARAM_PCM_WIDTH:
60 /* ...return sample bit-width */
61 i_idx = XA_VORBISDEC_CONFIG_PARAM_PCM_WDSZ;
62 break;
63 }
64
65 /* ...pass to library */
66 return xa_vorbis_dec(handle, XA_API_CMD_GET_CONFIG_PARAM, i_idx, pv_value);
67 }
68
69 /*******************************************************************************
70 * API entry point
71 ******************************************************************************/
72
xa_vorbis_decoder(xa_codec_handle_t p_xa_module_obj,WORD32 i_cmd,WORD32 i_idx,pVOID pv_value)73 XA_ERRORCODE xa_vorbis_decoder(xa_codec_handle_t p_xa_module_obj, WORD32 i_cmd, WORD32 i_idx, pVOID pv_value)
74 {
75 /* ...process common audio-decoder commands */
76 if (i_cmd == XA_API_CMD_GET_CONFIG_PARAM)
77 {
78 return xa_vorbis_get_config_param(p_xa_module_obj, i_idx, pv_value);
79 }
80 else
81 {
82 return xa_vorbis_dec(p_xa_module_obj, i_cmd, i_idx, pv_value);
83 }
84 }
85