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authorHolger Hans Peter Freyther <holger@moiji-mobile.com>2014-07-22 13:05:31 +0200
committerHolger Hans Peter Freyther <holger@moiji-mobile.com>2014-07-22 13:12:19 +0200
commitdd1f81512d32dec075e896356cf65fbebe11f303 (patch)
tree3aac6364b17bf0b9beec5095302fa50df89d8753 /openbsc/include/openbsc
parent4fb7e64da2e13db1d739cb9fe8e553282843fba5 (diff)
mgcp: Make the internal state of the transcoder accessible
For the unit tests we need to look at the internal state.
Diffstat (limited to 'openbsc/include/openbsc')
-rw-r--r--openbsc/include/openbsc/mgcp_transcode.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/mgcp_transcode.h b/openbsc/include/openbsc/mgcp_transcode.h
index 0961634da..cb11cb217 100644
--- a/openbsc/include/openbsc/mgcp_transcode.h
+++ b/openbsc/include/openbsc/mgcp_transcode.h
@@ -19,6 +19,59 @@
#ifndef OPENBSC_MGCP_TRANSCODE_H
#define OPENBSC_MGCP_TRANSCODE_H
+#include "bscconfig.h"
+
+#include <gsm.h>
+#ifdef HAVE_BCG729
+#include <bcg729/decoder.h>
+#include <bcg729/encoder.h>
+#endif
+
+enum audio_format {
+ AF_INVALID,
+ AF_S16,
+ AF_L16,
+ AF_GSM,
+ AF_G729,
+ AF_PCMA
+};
+
+
+struct mgcp_process_rtp_state {
+ /* decoding */
+ enum audio_format src_fmt;
+ union {
+ gsm gsm_handle;
+#ifdef HAVE_BCG729
+ bcg729DecoderChannelContextStruct *g729_dec;
+#endif
+ } src;
+ size_t src_frame_size;
+ size_t src_samples_per_frame;
+
+ /* processing */
+
+ /* encoding */
+ enum audio_format dst_fmt;
+ union {
+ gsm gsm_handle;
+#ifdef HAVE_BCG729
+ bcg729EncoderChannelContextStruct *g729_enc;
+#endif
+ } dst;
+ size_t dst_frame_size;
+ size_t dst_samples_per_frame;
+ int dst_packet_duration;
+
+ int is_running;
+ uint16_t next_seq;
+ uint32_t next_time;
+ int16_t samples[10*160];
+ size_t sample_cnt;
+ size_t sample_offs;
+};
+
+
int mgcp_transcoding_setup(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
struct mgcp_rtp_end *src_end);