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https://github.com/signalwire/freeswitch.git
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add openzap_pre_buffer_size=<ms> to prebuffer audio and cut out residual dtmf tones
git-svn-id: http://svn.openzap.org/svn/openzap/trunk@831 a93c3328-9c30-0410-af19-c9cd2b2d52af
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@@ -503,6 +503,7 @@ struct zap_channel {
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uint32_t skip_read_frames;
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zap_buffer_t *dtmf_buffer;
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zap_buffer_t *gen_dtmf_buffer;
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zap_buffer_t *pre_buffer;
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zap_buffer_t *digit_buffer;
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zap_buffer_t *fsk_buffer;
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uint32_t dtmf_on;
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@@ -529,6 +530,7 @@ struct zap_channel {
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struct zap_io_interface *zio;
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zap_hash_t *variable_hash;
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unsigned char rx_cas_bits;
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uint32_t pre_buffer_size;
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};
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@@ -657,6 +659,7 @@ OZ_DECLARE(zap_status_t) zap_channel_use(zap_channel_t *zchan);
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OZ_DECLARE(zap_status_t) zap_channel_command(zap_channel_t *zchan, zap_command_t command, void *obj);
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OZ_DECLARE(zap_status_t) zap_channel_wait(zap_channel_t *zchan, zap_wait_flag_t *flags, int32_t to);
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OZ_DECLARE(zap_status_t) zap_channel_read(zap_channel_t *zchan, void *data, zap_size_t *datalen);
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OZ_DECLARE(void) zap_generate_sln_silence(int16_t *data, uint32_t samples, uint32_t divisor);
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OZ_DECLARE(zap_status_t) zap_channel_write(zap_channel_t *zchan, void *data, zap_size_t datasize, zap_size_t *datalen);
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OZ_DECLARE(zap_status_t) zap_channel_add_var(zap_channel_t *zchan, const char *var_name, const char *value);
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OZ_DECLARE(const char *) zap_channel_get_var(zap_channel_t *zchan, const char *var_name);
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@@ -283,6 +283,7 @@ typedef enum {
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ZAP_COMMAND_FLUSH_TX_BUFFERS,
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ZAP_COMMAND_FLUSH_RX_BUFFERS,
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ZAP_COMMAND_FLUSH_BUFFERS,
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ZAP_COMMAND_SET_PRE_BUFFER_SIZE,
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ZAP_COMMAND_COUNT
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} zap_command_t;
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