diff options
Diffstat (limited to 'src/pq_rtp.c')
| -rw-r--r-- | src/pq_rtp.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/pq_rtp.c b/src/pq_rtp.c index 87e0f2e..6860506 100644 --- a/src/pq_rtp.c +++ b/src/pq_rtp.c @@ -187,6 +187,9 @@ pq_queue_rtp_op(struct pq *pq, int udp_fd, unsigned int blk_len, int in_out_n) state->fd = udp_fd; state->blk_len = blk_len; + /* as we're working in GSM, the sample clock is 8000 Hz and we + * operate at 50 Hz (20ms) codec frames; 8000/50 = 160 samples + * per RTP frame */ state->duration = 160; if (in_out_n == 0) { @@ -213,12 +216,22 @@ pq_queue_rtp_op(struct pq *pq, int udp_fd, unsigned int blk_len, int in_out_n) } +/*! Add RTP input to processing queue. + * This typically only makes sense as first item in the queue + * \param pq Processing Queue to add this RTP input to + * \param[in] udp_fd UDP file descriptor for the RTP input + * \param[in] blk_len Block Length to read from RTP */ int pq_queue_rtp_input(struct pq *pq, int udp_fd, unsigned int blk_len) { return pq_queue_rtp_op(pq, udp_fd, blk_len, 1); } +/*! Add RTP output to processing queue. + * This typically only makes sense as last item in the queue + * \param pq Processing Queue to add this RTP output to + * \param[in] udp_fd UDP file descriptor for the RTP output + * \param[in] blk_len Block Length to read from RTP */ int pq_queue_rtp_output(struct pq *pq, int udp_fd, unsigned int blk_len) { |