← Back to branch summary

~ubuntu-branches/ubuntu/trusty/sflphone/trusty

« back to all changes in this revision

Viewing changes to daemon/libs/pjproject-2.0.1/pjmedia/src/pjmedia/resample_speex.c

  • Committer: Package Import Robot
  • Author(s): Mark Purcell
  • Date: 2014-01-28 18:23:36 UTC
  • mfrom: (4.3.4 sid)
  • Revision ID: package-import@ubuntu.com-20140128182336-jrsv0k9u6cawc068
Tags: 1.3.0-1
http://bugs.debian.org/735846
http://bugs.debian.org/727164
http://bugs.debian.org/718178
http://bugs.debian.org/736583
http://bugs.debian.org/722040
http://bugs.debian.org/736746
* New upstream release 
  - Fixes "New Upstream Release" (Closes: #735846)
  - Fixes "Ringtone does not stop" (Closes: #727164)
  - Fixes "[sflphone-kde] crash on startup" (Closes: #718178)
  - Fixes "sflphone GUI crashes when call is hung up" (Closes: #736583)
* Build-Depends: ensure GnuTLS 2.6
  - libucommon-dev (>= 6.0.7-1.1), libccrtp-dev (>= 2.0.6-3)
  - Fixes "FTBFS Build-Depends libgnutls{26,28}-dev" (Closes: #722040)
* Fix "boost 1.49 is going away" unversioned Build-Depends: (Closes: #736746)
* Add Build-Depends: libsndfile-dev, nepomuk-core-dev

Show diffs side-by-side

added added

removed removed

Lines of Context:
daemon/libs/pjproject-2.0.1/pjmedia/src/pjmedia/resample_speex.c
1
 
/* $Id: resample_speex.c 3553 2011-05-05 06:14:19Z nanang $ */
2
 
/*
3
 
 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
4
 
 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
5
 
 *
6
 
 * This program is free software; you can redistribute it and/or modify
7
 
 * it under the terms of the GNU General Public License as published by
8
 
 * the Free Software Foundation; either version 2 of the License, or
9
 
 * (at your option) any later version.
10
 
 *
11
 
 * This program is distributed in the hope that it will be useful,
12
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
 
 * GNU General Public License for more details.
15
 
 *
16
 
 * You should have received a copy of the GNU General Public License
17
 
 * along with this program; if not, write to the Free Software
18
 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19
 
 */
20
 
#include <pjmedia/resample.h>
21
 
#include <pjmedia/errno.h>
22
 
#include <pj/assert.h>
23
 
#include <pj/log.h>
24
 
#include <pj/pool.h>
25
 
 
26
 
#if PJMEDIA_RESAMPLE_IMP==PJMEDIA_RESAMPLE_SPEEX
27
 
 
28
 
#include <speex/speex_resampler.h>
29
 
 
30
 
#define THIS_FILE   "resample_speex.c"
31
 
 
32
 
 
33
 
struct pjmedia_resample
34
 
{
35
 
    SpeexResamplerState *state;
36
 
    unsigned             in_samples_per_frame;
37
 
    unsigned             out_samples_per_frame;
38
 
};
39
 
 
40
 
 
41
 
PJ_DEF(pj_status_t) pjmedia_resample_create( pj_pool_t *pool,
42
 
                                             pj_bool_t high_quality,
43
 
                                             pj_bool_t large_filter,
44
 
                                             unsigned channel_count,
45
 
                                             unsigned rate_in,
46
 
                                             unsigned rate_out,
47
 
                                             unsigned samples_per_frame,
48
 
                                             pjmedia_resample **p_resample)
49
 
{
50
 
    pjmedia_resample *resample;
51
 
    int quality;
52
 
    int err;
53
 
 
54
 
    PJ_ASSERT_RETURN(pool && p_resample && rate_in &&
55
 
                     rate_out && samples_per_frame, PJ_EINVAL);
56
 
 
57
 
    resample = PJ_POOL_ZALLOC_T(pool, pjmedia_resample);
58
 
    PJ_ASSERT_RETURN(resample, PJ_ENOMEM);
59
 
 
60
 
    if (high_quality) {
61
 
        if (large_filter)
62
 
            quality = 10;
63
 
        else
64
 
            quality = 7;
65
 
    } else {
66
 
        quality = 3;
67
 
    }
68
 
 
69
 
    resample->in_samples_per_frame = samples_per_frame;
70
 
    resample->out_samples_per_frame = rate_out / (rate_in / samples_per_frame);
71
 
    resample->state = speex_resampler_init(channel_count,  rate_in, rate_out,
72
 
                                           quality, &err);
73
 
    if (resample->state == NULL || err != RESAMPLER_ERR_SUCCESS)
74
 
        return PJ_ENOMEM;
75
 
 
76
 
 
77
 
    *p_resample = resample;
78
 
 
79
 
    PJ_LOG(5,(THIS_FILE,
80
 
              "resample created: quality=%d, ch=%d, in/out rate=%d/%d",
81
 
              quality, channel_count, rate_in, rate_out));
82
 
    return PJ_SUCCESS;
83
 
}
84
 
 
85
 
 
86
 
PJ_DEF(void) pjmedia_resample_run( pjmedia_resample *resample,
87
 
                                   const pj_int16_t *input,
88
 
                                   pj_int16_t *output )
89
 
{
90
 
    spx_uint32_t in_length, out_length;
91
 
 
92
 
    PJ_ASSERT_ON_FAIL(resample, return);
93
 
 
94
 
    in_length = resample->in_samples_per_frame;
95
 
    out_length = resample->out_samples_per_frame;
96
 
 
97
 
    speex_resampler_process_interleaved_int(resample->state,
98
 
                                            (const __int16 *)input, &in_length,
99
 
                                            (__int16 *)output, &out_length);
100
 
 
101
 
    pj_assert(in_length == resample->in_samples_per_frame);
102
 
    pj_assert(out_length == resample->out_samples_per_frame);
103
 
}
104
 
 
105
 
 
106
 
PJ_DEF(unsigned) pjmedia_resample_get_input_size(pjmedia_resample *resample)
107
 
{
108
 
    PJ_ASSERT_RETURN(resample != NULL, 0);
109
 
    return resample->in_samples_per_frame;
110
 
}
111
 
 
112
 
 
113
 
PJ_DEF(void) pjmedia_resample_destroy(pjmedia_resample *resample)
114
 
{
115
 
    PJ_ASSERT_ON_FAIL(resample, return);
116
 
    if (resample->state) {
117
 
        speex_resampler_destroy(resample->state);
118
 
        resample->state = NULL;
119
 
    }
120
 
}
121
 
 
122
 
#else /* PJMEDIA_RESAMPLE_IMP==PJMEDIA_RESAMPLE_SPEEX */
123
 
 
124
 
int pjmedia_resample_speex_excluded;
125
 
 
126
 
#endif  /* PJMEDIA_RESAMPLE_IMP==PJMEDIA_RESAMPLE_SPEEX */