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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1465 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-05-29 17:24:48 +00:00
parent e4d63d0d80
commit 1e12e0ee8d
21 changed files with 2721 additions and 2721 deletions
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34
src/modules/rtp/rtp.c
View file

@ -4,17 +4,17 @@
This file is part of PulseAudio.
Copyright 2006 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
@ -53,7 +53,7 @@ pa_rtp_context* pa_rtp_context_init_send(pa_rtp_context *c, int fd, uint32_t ssr
c->ssrc = ssrc ? ssrc : (uint32_t) (rand()*rand());
c->payload = payload & 127;
c->frame_size = frame_size;
return c;
}
@ -64,14 +64,14 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
pa_memblock* mb[MAX_IOVECS];
int iov_idx = 1;
size_t n = 0, skip = 0;
assert(c);
assert(size > 0);
assert(q);
if (pa_memblockq_get_length(q) < size)
return 0;
for (;;) {
int r;
pa_memchunk chunk;
@ -105,7 +105,7 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
iov[0].iov_base = (void*)header;
iov[0].iov_len = sizeof(header);
m.msg_name = NULL;
m.msg_namelen = 0;
m.msg_iov = iov;
@ -113,7 +113,7 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
m.msg_control = NULL;
m.msg_controllen = 0;
m.msg_flags = 0;
k = sendmsg(c->fd, &m, MSG_DONTWAIT);
for (i = 1; i < iov_idx; i++)
@ -124,13 +124,13 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
k = 0;
c->timestamp += skip/c->frame_size;
if (k < 0) {
if (errno != EAGAIN) /* If the queue is full, just ignore it */
pa_log("sendmsg() failed: %s", pa_cstrerror(errno));
return -1;
}
if (r < 0 || pa_memblockq_get_length(q) < size)
break;
@ -158,7 +158,7 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
uint32_t header;
int cc;
ssize_t r;
assert(c);
assert(chunk);
@ -184,7 +184,7 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
m.msg_control = NULL;
m.msg_controllen = 0;
m.msg_flags = 0;
if ((r = recvmsg(c->fd, &m, 0)) != size) {
pa_log("recvmsg() failed: %s", r < 0 ? pa_cstrerror(errno) : "size mismatch");
goto fail;
@ -198,7 +198,7 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
memcpy(&header, chunk->memblock->data, sizeof(uint32_t));
memcpy(&c->timestamp, (uint8_t*) chunk->memblock->data + 4, sizeof(uint32_t));
memcpy(&c->ssrc, (uint8_t*) chunk->memblock->data + 8, sizeof(uint32_t));
header = ntohl(header);
c->timestamp = ntohl(c->timestamp);
c->ssrc = ntohl(c->ssrc);
@ -234,7 +234,7 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
pa_log("Vad RTP packet size.");
goto fail;
}
return 0;
fail:
@ -255,7 +255,7 @@ uint8_t pa_rtp_payload_from_sample_spec(const pa_sample_spec *ss) {
return 10;
if (ss->format == PA_SAMPLE_S16BE && ss->rate == 44100 && ss->channels == 1)
return 11;
return 127;
}
@ -280,7 +280,7 @@ pa_sample_spec *pa_rtp_sample_spec_from_payload(uint8_t payload, pa_sample_spec
ss->format = PA_SAMPLE_S16BE;
ss->rate = 44100;
break;
case 11:
ss->channels = 1;
ss->format = PA_SAMPLE_S16BE;
@ -340,7 +340,7 @@ const char* pa_rtp_format_to_string(pa_sample_format_t f) {
pa_sample_format_t pa_rtp_string_to_format(const char *s) {
assert(s);
if (!(strcmp(s, "L16")))
return PA_SAMPLE_S16BE;
else if (!strcmp(s, "L8"))