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return silence frame in dahdi codec when there is no output from the decoder

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13265 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Moises Silva 2009-05-09 00:23:05 +00:00
parent 9045735e79
commit a417c7ed5f
1 changed files with 8 additions and 5 deletions
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13
src/mod/codecs/mod_dahdi_codec/mod_dahdi_codec.c
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@ -383,8 +383,11 @@ static switch_status_t switch_dahdi_decode(switch_codec_t *codec,
return SWITCH_STATUS_FALSE;
}
if (0 == res) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "No output on %s decoder device.\n", transcoder_name);
*decoded_data_len = 0;
memset(dbuf_linear, 0, codec->implementation->decoded_bytes_per_packet);
*decoded_data_len = codec->implementation->decoded_bytes_per_packet;
#ifdef DEBUG_DAHDI_CODEC
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "No output on %s decoder device, returning silence frame of %d bytes.\n", transcoder_name, *decoded_data_len);
#endif
return SWITCH_STATUS_SUCCESS;
}
res = read(context->decoding_fd, dbuf_ulaw, sizeof(dbuf_ulaw));
@ -508,7 +511,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_dahdi_codec_load)
int spf = 160;
int bpfd = 320;
int bpfc = 20;
int fpnp = 10;
int fpnp = 20;
switch_core_codec_add_implementation(pool,
codec_interface,
SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
@ -518,7 +521,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_dahdi_codec_load)
8000, /* samples transferred per second */
8000, /* actual samples transferred per second */
8000, /* bits transferred per second */
mpf, /* number of microseconds per frame (10ms frames) */
mpf, /* number of microseconds per frame */
spf, /* number of samples per frame */
bpfd, /* number of bytes per frame decompressed */
bpfc, /* number of bytes per frame compressed */
@ -544,7 +547,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_dahdi_codec_load)
8000, /* samples transferred per second */
8000, /* actual samples transferred per second */
8000, /* bits transferred per second */
mpf, /* number of microseconds per frame (10ms frames) */
mpf, /* number of microseconds per frame */
spf, /* number of samples per frame */
bpfd, /* number of bytes per frame decompressed */
bpfc, /* number of bytes per frame compressed */