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addition of G.719 pass-through support

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(closes issue #16293)
Reported by: malcolmd
Patches:
      g719.passthrough.patch.7 uploaded by malcolmd (license 924)
      format_g719.c uploaded by malcolmd (license 924)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@270940 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David Vossel
2010-06-16 19:03:24 +00:00
parent 0bf94685fd
commit fcb055fb4e
9 changed files with 177 additions and 0 deletions
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9
main/frame.c
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@@ -120,6 +120,7 @@ static const struct ast_format_list AST_FORMAT_LIST[] = {
{ AST_FORMAT_SIREN7, "siren7", 16000, "ITU G.722.1 (Siren7, licensed from Polycom)", 80, 20, 80, 20, 20 }, /*!< Binary commercial distribution */
{ AST_FORMAT_SIREN14, "siren14", 32000, "ITU G.722.1 Annex C, (Siren14, licensed from Polycom)", 120, 20, 80, 20, 20 }, /*!< Binary commercial distribution */
{ AST_FORMAT_TESTLAW, "testlaw", 8000, "G.711 test-law", 80, 10, 150, 10, 20 }, /*!< codec_ulaw.c */
{ AST_FORMAT_G719, "g719", 48000, "ITU G.719", 160, 20, 80, 20, 20 },
};
struct ast_frame ast_null_frame = { AST_FRAME_NULL, };
@@ -1491,6 +1492,10 @@ int ast_codec_get_samples(struct ast_frame *f)
/* 32,000 samples per second at 48kbps is 6,000 bytes per second */
samples = (int) f->datalen * ((float) 32000 / 6000);
break;
case AST_FORMAT_G719:
/* 48,000 samples per second at 64kbps is 8,000 bytes per second */
samples = (int) f->datalen * ((float) 48000 / 8000);
break;
default:
ast_log(LOG_WARNING, "Unable to calculate samples for format %s\n", ast_getformatname_multiple(tmp, sizeof(tmp), f->subclass.codec));
}
@@ -1538,6 +1543,10 @@ int ast_codec_get_len(format_t format, int samples)
/* 32,000 samples per second at 48kbps is 6,000 bytes per second */
len = (int) samples / ((float) 32000 / 6000);
break;
case AST_FORMAT_G719:
/* 48,000 samples per second at 64kbps is 8,000 bytes per second */
len = (int) samples / ((float) 48000 / 8000);
break;
default:
ast_log(LOG_WARNING, "Unable to calculate sample length for format %s\n", ast_getformatname(format));
}