1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
#include "m_option.h"
#include "../mp_msg.h"
#include <inttypes.h>
#include "ae_toolame.h"
static int
param_bitrate = 192,
param_srate = 48000,
param_psy = 3,
param_maxvbr = 192,
param_errprot = 0,
param_debug = 0;
float param_vbr = 0;
static char *param_mode = "stereo";
m_option_t toolameopts_conf[] = {
{"br", ¶m_bitrate, CONF_TYPE_INT, 0, 0, 0, NULL},
{"mode", ¶m_mode, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"psy", ¶m_psy, CONF_TYPE_INT, CONF_RANGE, 0, 3, NULL},
{"vbr", ¶m_vbr, CONF_TYPE_FLOAT, CONF_RANGE, 0, 50, NULL},
{"maxvbr", ¶m_maxvbr, CONF_TYPE_INT, 0, 0, 0, NULL},
{"errprot", ¶m_errprot, CONF_TYPE_INT, CONF_RANGE, 0, 1, NULL},
{"debug", ¶m_debug, CONF_TYPE_INT, CONF_RANGE, 0, 100000000, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
mpae_toolame_ctx *mpae_init_toolame(int channels, int srate)
{
int mode;
mpae_toolame_ctx *ctx = NULL;
if(channels == 1)
{
mp_msg(MSGT_MENCODER, MSGL_INFO, "ae_toolame, 1 audio channel, forcing mono mode\n");
mode = MPG_MD_MONO;
}
else if(channels == 2)
{
if(! strcasecmp(param_mode, "dual"))
mode = MPG_MD_DUAL_CHANNEL;
else if(! strcasecmp(param_mode, "jstereo"))
mode = MPG_MD_JOINT_STEREO;
else if(! strcasecmp(param_mode, "stereo"))
mode = MPG_MD_STEREO;
else
{
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, unknown mode %s, exiting\n", param_mode);
}
}
else
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, Toolame can't encode > 2 channels, exiting\n");
ctx = (mpae_toolame_ctx *) calloc(1, sizeof(mpae_toolame_ctx));
if(ctx == NULL)
{
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, couldn't alloc a %d bytes context, exiting\n", sizeof(mpae_toolame_ctx));
return NULL;
}
ctx->toolame_ctx = toolame_init();
if(ctx->toolame_ctx == NULL)
{
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, couldn't initial parameters from libtoolame, exiting\n");
free(ctx);
return NULL;
}
ctx->channels = channels;
ctx->srate = srate;
if(toolame_setMode(ctx->toolame_ctx, mode) != 0)
return NULL;
if(toolame_setPsymodel(ctx->toolame_ctx, param_psy) != 0)
return NULL;
if(toolame_setSampleFreq(ctx->toolame_ctx, srate) != 0)
return NULL;
if(toolame_setBitrate(ctx->toolame_ctx, param_bitrate) != 0)
return NULL;
if(param_errprot)
if(toolame_setErrorProtection(ctx->toolame_ctx, TRUE) != 0)
return NULL;
if(param_vbr > 0)
{
if(toolame_setVBR(ctx->toolame_ctx, TRUE) != 0)
return NULL;
if(toolame_setVBRLevel(ctx->toolame_ctx, param_maxvbr) != 0)
return NULL;
if(toolame_setPadding(ctx->toolame_ctx, FALSE) != 0)
return NULL;
if(toolame_setVBRUpperBitrate(ctx->toolame_ctx, param_maxvbr) != 0)
return NULL;
}
if(toolame_setVerbosity(ctx->toolame_ctx, param_debug) != 0)
return NULL;
if(toolame_init_params(ctx->toolame_ctx) != 0)
return NULL;
ctx->bitrate = param_bitrate;
return ctx;
}
int mpae_encode_toolame(mpae_toolame_ctx *ctx, uint8_t *dest, int nsamples, void *src, int max_size)
{
int ret_size = 0, i;
int16_t *buffer;
buffer = (uint16_t *) src;
for(i = 0; i < nsamples; i++)
{
ctx->left_pcm[i] = buffer[2 * i];
ctx->right_pcm[i] = buffer[2 * i + (ctx->channels - 1)];
}
toolame_encode_buffer(ctx->toolame_ctx, ctx->left_pcm, ctx->right_pcm, nsamples, dest, max_size, &ret_size);
return ret_size;
}
|
