diff options
Diffstat (limited to 'ecp/test/voip.c')
-rw-r--r-- | ecp/test/voip.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/ecp/test/voip.c b/ecp/test/voip.c deleted file mode 100644 index b0a9207..0000000 --- a/ecp/test/voip.c +++ /dev/null @@ -1,196 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <stdlib.h> -#include <alsa/asoundlib.h> - -#include <opus.h> - -#include "core.h" -#include "util.h" - -ECPContext ctx_c; -ECPSocket sock_c; -ECPConnHandler handler_c; - -ECPNode node; -ECPConnection conn; -int open_done = 0; - -snd_pcm_t *handle_plb; -snd_pcm_t *handle_cpt; -OpusEncoder *opus_enc; -OpusDecoder *opus_dec; -// 2.5, 5, 10, 20, 40 or 60 ms -snd_pcm_uframes_t alsa_frames = 160; -unsigned char *alsa_out_buf = NULL; -unsigned char *alsa_in_buf = NULL; - -#define CTYPE_TEST 0 -#define MTYPE_MSG 8 - -int a_open(char *dev_name, snd_pcm_t **handle, snd_pcm_hw_params_t **hw_params, snd_pcm_stream_t stream, snd_pcm_format_t format, unsigned int *nchannels, unsigned int *sample_rate, snd_pcm_uframes_t *frames, size_t *buf_size) { - int bits, err = 0; - unsigned int fragments = 2; - unsigned int frame_size; - - err = snd_pcm_open(handle, dev_name, stream, 0); - if (!err) err = snd_pcm_hw_params_malloc(hw_params); - if (!err) err = snd_pcm_hw_params_any(*handle, *hw_params); - if (!err) err = snd_pcm_hw_params_set_access(*handle, *hw_params, SND_PCM_ACCESS_RW_INTERLEAVED); - if (!err) err = snd_pcm_hw_params_set_format(*handle, *hw_params, format); - if (!err) err = snd_pcm_hw_params_set_rate_near(*handle, *hw_params, sample_rate, 0); - if (!err) err = snd_pcm_hw_params_set_channels_near(*handle, *hw_params, nchannels); - if (!err) err = snd_pcm_hw_params_set_periods_near(*handle, *hw_params, &fragments, 0); - if (!err) err = snd_pcm_hw_params_set_period_size_near(*handle, *hw_params, frames, 0); - if (!err) err = snd_pcm_hw_params(*handle, *hw_params); - if (err) return err; - - bits = snd_pcm_hw_params_get_sbits(*hw_params); - if (bits < 0) return bits; - - frame_size = *nchannels * (bits / 8); - *buf_size = frame_size * *frames; - - return ECP_OK; -} - -int a_prepare(snd_pcm_t *handle, snd_pcm_hw_params_t *hw_params, unsigned char *buf, snd_pcm_uframes_t frames) { - snd_pcm_drop(handle); - snd_pcm_prepare(handle); - - if (snd_pcm_stream(handle) == SND_PCM_STREAM_PLAYBACK) { - int i, err; - unsigned int fragments; - - err = snd_pcm_hw_params_get_periods(hw_params, &fragments, NULL); - if (err) return err; - - for (i=0; i<fragments; i++) snd_pcm_writei(handle, buf, frames); - } - return ECP_OK; -} - -opus_int32 a_read(snd_pcm_t *handle, unsigned char *buf, snd_pcm_uframes_t frames, OpusEncoder *enc, unsigned char *opus_buf, opus_int32 opus_size) { - snd_pcm_sframes_t frames_in; - - while ((frames_in = snd_pcm_readi(handle, buf, frames)) < 0) { - if (frames_in == -EAGAIN) - continue; - snd_pcm_prepare(handle); - } - return opus_encode(enc, (opus_int16 *)buf, frames_in, opus_buf, opus_size); -} - -snd_pcm_sframes_t a_write(OpusDecoder *dec, unsigned char *opus_buf, opus_int32 opus_size, snd_pcm_t *handle, unsigned char *buf, snd_pcm_uframes_t frames) { - snd_pcm_sframes_t frames_in, frames_out; - - frames_in = opus_decode(dec, opus_buf, opus_size, (opus_int16 *)buf, frames, 0); - while ((frames_out = snd_pcm_writei(handle, buf, frames_in)) < 0) { - if (frames_out == -EAGAIN) - continue; - snd_pcm_prepare(handle); - } - return frames_out; -} - -int a_init(void) { - char *dev_name = "hw:1,0"; - unsigned int nchannels = 1; - unsigned int sample_rate = 16000; - - snd_pcm_hw_params_t *hw_params_plb; - snd_pcm_hw_params_t *hw_params_cpt; - size_t buf_size; - - a_open(dev_name, &handle_plb, &hw_params_plb, SND_PCM_STREAM_PLAYBACK, SND_PCM_FORMAT_S16_LE, &nchannels, &sample_rate, &alsa_frames, &buf_size); - alsa_out_buf = malloc(buf_size); - memset(alsa_out_buf, 0, buf_size); - a_prepare(handle_plb, hw_params_plb, alsa_out_buf, alsa_frames); - - a_open(dev_name, &handle_cpt, &hw_params_cpt, SND_PCM_STREAM_CAPTURE, SND_PCM_FORMAT_S16_LE, &nchannels, &sample_rate, &alsa_frames, &buf_size); - alsa_in_buf = malloc(buf_size); - memset(alsa_in_buf, 0, buf_size); - a_prepare(handle_cpt, hw_params_cpt, alsa_in_buf, alsa_frames); - - int size; - size = opus_encoder_get_size(nchannels); - opus_enc = malloc(size); - opus_encoder_init(opus_enc, sample_rate, nchannels, OPUS_APPLICATION_VOIP); - - size = opus_decoder_get_size(nchannels); - opus_dec = malloc(size); - opus_decoder_init(opus_dec, sample_rate, nchannels); - - return ECP_OK; -} - -ssize_t handle_open_c(ECPConnection *conn, ecp_seq_t sq, unsigned char t, unsigned char *p, ssize_t s, ECP2Buffer *b) { - uint32_t seq = 0; - - ecp_conn_handle_open(conn, sq, t, p, s, b); - if (s < 0) { - printf("OPEN ERR:%ld\n", s); - return s; - } - - a_init(); - open_done = 1; - return s; -} - -ssize_t handle_msg_c(ECPConnection *conn, ecp_seq_t sq, unsigned char t, unsigned char *p, ssize_t s, ECP2Buffer *b) { - a_write(opus_dec, p, s, handle_plb, alsa_out_buf, alsa_frames); - return s; -} - - -static void usage(char *arg) { - fprintf(stderr, "Usage: %s <node.pub>\n", arg); - exit(1); -} - -int main(int argc, char *argv[]) { - int rv; - - if (argc != 2) usage(argv[0]); - - rv = ecp_init(&ctx_c); - printf("ecp_init RV:%d\n", rv); - - rv = ecp_conn_handler_init(&handler_c); - handler_c.msg[ECP_MTYPE_OPEN] = handle_open_c; - handler_c.msg[MTYPE_MSG] = handle_msg_c; - ctx_c.handler[CTYPE_TEST] = &handler_c; - - rv = ecp_sock_init(&sock_c, &ctx_c, NULL); - printf("ecp_sock_init RV:%d\n", rv); - - rv = ecp_sock_open(&sock_c, NULL); - printf("ecp_sock_open RV:%d\n", rv); - - rv = ecp_start_receiver(&sock_c); - printf("ecp_start_receiver RV:%d\n", rv); - - rv = ecp_util_node_load(&ctx_c, &node, argv[1]); - printf("ecp_util_node_load RV:%d\n", rv); - - rv = ecp_conn_init(&conn, &sock_c, CTYPE_TEST); - printf("ecp_conn_init RV:%d\n", rv); - - rv = ecp_conn_open(&conn, &node); - printf("ecp_conn_open RV:%d\n", rv); - - while(!open_done) sleep(1); - - unsigned char payload[ECP_MAX_PLD]; - unsigned char *opus_buf; - - while(1) { - ecp_pld_set_type(payload, MTYPE_MSG); - opus_buf = ecp_pld_get_buf(payload, 0); - opus_int32 len = a_read(handle_cpt, alsa_in_buf, alsa_frames, opus_enc, opus_buf, ECP_MAX_MSG); - if (len < 0) continue; - ssize_t _rv = ecp_pld_send(&conn, payload, len); - } -}
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