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TT#122401 add CN DTX method

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Change-Id: I03c977e10f9bdad284dbafb048b2a19d798957e5
rfuchs/1283
Richard Fuchs 4 years ago
parent dc38a0e88e
commit 7e24a7e4c8
2 changed files with 71 additions and 1 deletions
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65
lib/codeclib.c
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@ -57,6 +57,7 @@ static int ilbc_decoder_input(decoder_t *dec, const str *data, GQueue *out);
static const char *dtmf_decoder_init(decoder_t *, const str *, const str *);
static int dtmf_decoder_input(decoder_t *dec, const str *data, GQueue *out);
static const char *cn_decoder_init(decoder_t *, const str *, const str *);
static int cn_decoder_input(decoder_t *dec, const str *data, GQueue *out);
static int format_cmp_ignore(const struct rtp_payload_type *, const struct rtp_payload_type *);
@ -64,6 +65,10 @@ static int format_cmp_ignore(const struct rtp_payload_type *, const struct rtp_p
static int generic_silence_dtx(decoder_t *, GQueue *, int);
static int amr_dtx(decoder_t *, GQueue *, int);
static int generic_cn_dtx_init(decoder_t *);
static void generic_cn_dtx_cleanup(decoder_t *);
static int generic_cn_dtx(decoder_t *, GQueue *, int);
@ -101,7 +106,7 @@ static const codec_type_t codec_type_dtmf = {
};
static const codec_type_t codec_type_cn = {
.def_init = avc_def_init,
.decoder_init = avc_decoder_init,
.decoder_init = cn_decoder_init,
.decoder_input = cn_decoder_input,
.decoder_close = avc_decoder_close,
};
@ -109,6 +114,11 @@ static const codec_type_t codec_type_cn = {
static const dtx_method_t dtx_method_silence = {
.do_dtx = generic_silence_dtx,
};
static const dtx_method_t dtx_method_cn = {
.do_dtx = generic_cn_dtx,
.init = generic_cn_dtx_init,
.cleanup = generic_cn_dtx_cleanup,
};
static const dtx_method_t dtx_method_amr = {
.do_dtx = amr_dtx,
};
@ -151,6 +161,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -166,6 +177,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -181,6 +193,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -196,6 +209,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -208,6 +222,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
#ifndef HAVE_BCG729
@ -223,6 +238,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -237,6 +253,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
#else
@ -254,6 +271,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_bcg729,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -269,6 +287,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_bcg729,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
#endif
@ -284,6 +303,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -298,6 +318,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -330,6 +351,7 @@ static codec_def_t __codec_defs[] = {
.set_enc_options = opus_set_enc_options,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -343,6 +365,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -354,6 +377,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -365,6 +389,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -376,6 +401,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -387,6 +413,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 0, 0)
@ -399,6 +426,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -411,6 +439,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -423,6 +452,7 @@ static codec_def_t __codec_defs[] = {
.codec_type = &codec_type_avcodec,
.dtx_methods = {
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
#endif
@ -445,6 +475,7 @@ static codec_def_t __codec_defs[] = {
.dtx_methods = {
[DTX_NATIVE] = &dtx_method_amr,
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -466,6 +497,7 @@ static codec_def_t __codec_defs[] = {
.dtx_methods = {
[DTX_NATIVE] = &dtx_method_amr,
[DTX_SILENCE] = &dtx_method_silence,
[DTX_CN] = &dtx_method_cn,
},
},
{
@ -523,6 +555,7 @@ static codec_def_t __codec_defs[] = {
static GQueue __supplemental_codecs = G_QUEUE_INIT;
const GQueue * const codec_supplemental_codecs = &__supplemental_codecs;
static codec_def_t *codec_def_cn;
@ -973,6 +1006,9 @@ void codeclib_init(int print) {
if (def->codec_type && def->codec_type->def_init)
def->codec_type->def_init(def);
if (!strcmp(def->rtpname, "CN"))
codec_def_cn = def;
if (print) {
if (def->support_encoding && def->support_decoding) {
if (def->default_channels > 0 && def->default_clockrate >= 0)
@ -2274,6 +2310,27 @@ static int generic_silence_dtx(decoder_t *dec, GQueue *out, int ptime) {
}
static int cn_append_frame(decoder_t *dec, AVFrame *f, void *u1, void *u2) {
GQueue *out = u1;
g_queue_push_tail(out, f);
return 0;
}
static int generic_cn_dtx(decoder_t *dec, GQueue *out, int ptime) {
static const str cn_pl = { "\x10", 1 };
return decoder_input_data(dec->dtx.u.cn.cn_dec, &cn_pl, dec->rtp_ts, cn_append_frame, out, NULL);
}
static int generic_cn_dtx_init(decoder_t *dec) {
dec->dtx.u.cn.cn_dec = decoder_new_fmt(codec_def_cn, 8000, 1, dec->ptime, &dec->dest_format);
return 0;
}
static void generic_cn_dtx_cleanup(decoder_t *dec) {
decoder_close(dec->dtx.u.cn.cn_dec);
}
#ifdef HAVE_BCG729
@ -2495,6 +2552,12 @@ static int format_cmp_ignore(const struct rtp_payload_type *a, const struct rtp_
static const char *cn_decoder_init(decoder_t *dec, const str *fmtp, const str *opts) {
// the ffmpeg cngdec always runs at 8000
dec->in_format.clockrate = 8000;
dec->in_format.channels = 1;
return avc_decoder_init(dec, fmtp, opts);
}
static int cn_decoder_input(decoder_t *dec, const str *data, GQueue *out) {
// generate one set of ptime worth of samples
int ptime = dec->ptime;

7
lib/codeclib.h
Unescape View File

@ -121,6 +121,7 @@ union codec_options_u {
enum dtx_method {
DTX_NATIVE = 0,
DTX_SILENCE,
DTX_CN,
NUM_DTX_METHODS
};
@ -183,6 +184,12 @@ struct dtx_method_s {
int (*init)(decoder_t *);
void (*cleanup)(decoder_t *);
int (*do_dtx)(decoder_t *, GQueue *, int);
union {
struct {
decoder_t *cn_dec;
} cn;
} u;
};
struct decoder_s {

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