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path: root/amadec/feeder.c (plain)
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1/**
2 * \file feeder.c
3 * \brief Functions of Feeder
4 * \version 1.0.0
5 * \date 2011-03-08
6 */
7/* Copyright (C) 2007-2011, Amlogic Inc.
8 * All right reserved
9 *
10 */
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14#include <fcntl.h>
15
16#include <feeder.h>
17#include <audiodsp.h>
18
19#include "audiodsp.h"
20#include "Amsysfsutils.h"
21#include "amconfigutils.h"
22
23extern int audiodsp_start(aml_audio_dec_t *audec);
24/**
25 * \brief get audio format
26 * \return audio format on success otherwise ADEC_AUDIO_FORMAT_UNKNOWN
27 */
28static adec_audio_format_t get_audio_format(void)
29{
30 char format[21];
31 int len;
32
33 format[0] = 0;
34
35 amsysfs_get_sysfs_str(FORMAT_PATH, format, 21);
36 if (strncmp(format, "NA", 2) == 0) {
37 return ADEC_AUDIO_FORMAT_UNKNOWN;
38 }
39
40 adec_print("amadec format: %s", format);
41
42 if (strncmp(format, "amadec_mpeg", 11) == 0) {
43 return ADEC_AUDIO_FORMAT_MPEG;
44 }
45
46 if (strncmp(format, "amadec_pcm_s16le", 16) == 0) {
47 /*TODO: get format/channel numer/sample rate etc */
48 return ADEC_AUDIO_FORMAT_PCM_S16LE;
49 }
50
51 if (strncmp(format, "amadec_pcm_s16be", 16) == 0) {
52 /*TODO: get format/channel numer/sample rate etc */
53 return ADEC_AUDIO_FORMAT_PCM_S16BE;
54 }
55
56 if (strncmp(format, "amadec_pcm_u8", 13) == 0) {
57 /*TODO: get format/channel numer/sample rate etc */
58 return ADEC_AUDIO_FORMAT_PCM_U8;
59 }
60
61 if (strncmp(format, "amadec_adpcm", 12) == 0) {
62 /*TODO: get format/channel numer/sample rate etc */
63 return ADEC_AUDIO_FORMAT_ADPCM;
64 }
65
66 if (strncmp(format, "amadec_aac_latm", 15) == 0) {
67 /*TODO: get format/channel numer/sample rate etc */
68 return ADEC_AUDIO_FORMAT_AAC_LATM;
69 }
70
71 if (strncmp(format, "amadec_aac", 10) == 0) {
72 /*TODO: get format/channel numer/sample rate etc */
73 return ADEC_AUDIO_FORMAT_AAC;
74 }
75
76 if (strncmp(format, "amadec_ac3", 10) == 0) {
77 /*TODO: get format/channel numer/sample rate etc */
78 return ADEC_AUDIO_FORMAT_AC3;
79 }
80 if (strncmp(format, "amadec_eac3", 11) == 0) {
81 /*TODO: get format/channel numer/sample rate etc */
82 return ADEC_AUDIO_FORMAT_EAC3;
83 }
84
85 if (strncmp(format, "amadec_alaw", 11) == 0) {
86 /*TODO: get format/channel numer/sample rate etc */
87 return ADEC_AUDIO_FORMAT_ALAW;
88 }
89
90 if (strncmp(format, "amadec_mulaw", 12) == 0) {
91 /*TODO: get format/channel numer/sample rate etc */
92 return ADEC_AUDIO_FORMAT_MULAW;
93 }
94
95 if (strncmp(format, "amadec_dts", 10) == 0) {
96 /*TODO: get format/channel numer/sample rate etc */
97 return ADEC_AUDIO_FORMAT_DTS;
98 }
99
100 if (strncmp(format, "amadec_flac", 11) == 0) {
101 /*TODO: get format/channel numer/sample rate etc */
102 return ADEC_AUDIO_FORMAT_FLAC;
103 }
104
105 if (strncmp(format, "amadec_cook", 11) == 0) {
106 /*TODO: get format/channel numer/sample rate etc */
107 return ADEC_AUDIO_FORMAT_COOK;
108 }
109
110 if (strncmp(format, "amadec_amr", 10) == 0) {
111 /*TODO: get format/channel numer/sample rate etc */
112 return ADEC_AUDIO_FORMAT_AMR;
113 }
114
115 if (strncmp(format, "amadec_raac", 11) == 0) {
116 /*TODO: get format/channel numer/sample rate etc */
117 return ADEC_AUDIO_FORMAT_RAAC;
118 }
119
120 if (strncmp(format, "amadec_wmapro", 13) == 0) {
121 /*TODO: get format/channel numer/sample rate etc */
122 return ADEC_AUDIO_FORMAT_WMAPRO;
123 }
124
125 if (strncmp(format, "amadec_wma", 10) == 0) {
126 /*TODO: get format/channel numer/sample rate etc */
127 return ADEC_AUDIO_FORMAT_WMA;
128 }
129
130 if (strncmp(format, "amadec_pcm_bluray", 10) == 0) {
131 /*TODO: get format/channel numer/sample rate etc */
132 return ADEC_AUDIO_AFORMAT_PCM_BLURAY;
133 }
134 if (strncmp(format, "amadec_alac", 11) == 0) {
135 /*TODO: get format/channel numer/sample rate etc */
136 return ADEC_AUDIO_AFORMAT_ALAC;
137 }
138 if (strncmp(format, "amadec_vorbis", 13) == 0) {
139 /*TODO: get format/channel numer/sample rate etc */
140 return ADEC_AUDIO_AFORMAT_VORBIS;
141 }
142 if (strncmp(format, "amadec_ape", 10) == 0) {
143 /*TODO: get format/channel numer/sample rate etc */
144 return ADEC_AUDIO_FORMAT_APE;
145 }
146 if (strncmp(format, "amadec_pcm_widi", 15) == 0) {
147 /*TODO: get format/channel numer/sample rate etc */
148 return ADEC_AUDIO_FORMAT_PCM_WIFIDISPLAY;
149 }
150
151 adec_print("audio format unknow.");
152
153 return ADEC_AUDIO_FORMAT_UNKNOWN;
154}
155
156/**
157 * \brief init feeder
158 * \param audec pointer to audec
159 * \return 0 on success otherwise -1 if an error occurred
160 */
161int feeder_init(aml_audio_dec_t *audec)
162{
163 int ret;
164 dsp_operations_t *dsp_ops;
165
166 dsp_ops = &audec->adsp_ops;
167
168 audec->format = get_audio_format();
169 if (audec->format == ADEC_AUDIO_FORMAT_UNKNOWN) {
170 adec_print("Unknown audio format!");
171 return -1;
172 }
173
174 ret = audiodsp_init(dsp_ops);
175 if (ret) {
176 adec_print("audio dsp init failed!");
177 return -1;
178 }
179
180 ret = audiodsp_start(audec);
181 if (ret == 0) {
182 dsp_ops->dsp_on = 1;
183 dsp_ops->dsp_read = audiodsp_stream_read;
184 dsp_ops->get_cur_pts = audiodsp_get_pts;
185 dsp_ops->get_cur_pcrscr = audiodsp_get_pcrscr;
186 dsp_ops->set_cur_apts = audiodsp_set_apts;
187 dsp_ops->set_skip_bytes = audiodsp_set_skip_bytes;
188 audec->audio_decoder_enabled = 0x1;
189 } else {
190 audiodsp_release(dsp_ops);
191 dsp_ops->dsp_on = 0;
192 dsp_ops->dsp_read = NULL;
193 dsp_ops->get_cur_pts = NULL;
194 dsp_ops->get_cur_pcrscr = NULL;
195 dsp_ops->set_skip_bytes = NULL;
196
197 /* TODO: amport init */
198 }
199
200 return ret;
201}
202
203/**
204 * \brief release feeder
205 * \param audec pointer to audec
206 * \return 0 on success otherwise -1 if an error occurred
207 */
208int feeder_release(aml_audio_dec_t *audec)
209{
210 int ret;
211 dsp_operations_t *dsp_ops;
212
213 dsp_ops = &audec->adsp_ops;
214
215 ret = audiodsp_stop(dsp_ops);
216 if (ret) {
217 adec_print("audiodsp stop failed!");
218 return -1;
219 }
220
221 ret = audiodsp_release(dsp_ops);
222 if (ret) {
223 adec_print("audiodsp release failed!");
224 return -1;
225 }
226
227 dsp_ops->dsp_on = 0;
228 dsp_ops->dsp_read = NULL;
229
230 return ret;
231}
232
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