static inline double encoder_bitrate(obs_encoder_t encoder)
{
obs_data_t settings = obs_encoder_get_settings(encoder);
double bitrate = obs_data_getdouble(settings, "bitrate");
obs_data_release(settings);
return bitrate;
}
static void add_video_encoder_params(struct ffmpeg_muxer *stream,
struct dstr *cmd, obs_encoder_t *vencoder)
{
obs_data_t *settings = obs_encoder_get_settings(vencoder);
int bitrate = (int)obs_data_get_int(settings, "bitrate");
video_t *video = obs_get_video();
const struct video_output_info *info = video_output_get_info(video);
obs_data_release(settings);
dstr_catf(cmd, "%s %d %d %d %d %d ",
"h264",
bitrate,
obs_output_get_width(stream->output),
obs_output_get_height(stream->output),
(int)info->fps_num,
(int)info->fps_den);
}
static void add_audio_encoder_params(struct dstr *cmd, obs_encoder_t *aencoder)
{
obs_data_t *settings = obs_encoder_get_settings(aencoder);
int bitrate = (int)obs_data_get_int(settings, "bitrate");
audio_t *audio = obs_get_audio();
struct dstr name = {0};
obs_data_release(settings);
dstr_copy(&name, obs_encoder_get_name(aencoder));
dstr_replace(&name, "\"", "\"\"");
dstr_catf(cmd, "\"%s\" %d %d %d ",
name.array,
bitrate,
(int)obs_encoder_get_sample_rate(aencoder),
(int)audio_output_get_channels(audio));
dstr_free(&name);
}
static int init_send(struct rtmp_stream *stream)
{
int ret;
size_t idx = 0;
bool next = true;
#if defined(_WIN32)
adjust_sndbuf_size(stream, MIN_SENDBUF_SIZE);
#endif
reset_semaphore(stream);
ret = pthread_create(&stream->send_thread, NULL, send_thread, stream);
if (ret != 0) {
RTMP_Close(&stream->rtmp);
warn("Failed to create send thread");
return OBS_OUTPUT_ERROR;
}
if (stream->new_socket_loop) {
int one = 1;
#ifdef _WIN32
if (ioctlsocket(stream->rtmp.m_sb.sb_socket, FIONBIO, &one)) {
stream->rtmp.last_error_code = WSAGetLastError();
#else
if (ioctl(stream->rtmp.m_sb.sb_socket, FIONBIO, &one)) {
stream->rtmp.last_error_code = errno;
#endif
warn("Failed to set non-blocking socket");
return OBS_OUTPUT_ERROR;
}
os_event_reset(stream->send_thread_signaled_exit);
info("New socket loop enabled by user");
if (stream->low_latency_mode)
info("Low latency mode enabled by user");
if (stream->write_buf)
bfree(stream->write_buf);
int total_bitrate = 0;
obs_output_t *context = stream->output;
obs_encoder_t *vencoder = obs_output_get_video_encoder(context);
if (vencoder) {
obs_data_t *params = obs_encoder_get_settings(vencoder);
if (params) {
int bitrate = obs_data_get_int(params, "bitrate");
total_bitrate += bitrate;
obs_data_release(params);
}
}
obs_encoder_t *aencoder = obs_output_get_audio_encoder(context, 0);
if (aencoder) {
obs_data_t *params = obs_encoder_get_settings(aencoder);
if (params) {
int bitrate = obs_data_get_int(params, "bitrate");
total_bitrate += bitrate;
obs_data_release(params);
}
}
// to bytes/sec
int ideal_buffer_size = total_bitrate * 128;
if (ideal_buffer_size < 131072)
ideal_buffer_size = 131072;
stream->write_buf_size = ideal_buffer_size;
stream->write_buf = bmalloc(ideal_buffer_size);
#ifdef _WIN32
ret = pthread_create(&stream->socket_thread, NULL,
socket_thread_windows, stream);
#else
warn("New socket loop not supported on this platform");
return OBS_OUTPUT_ERROR;
#endif
if (ret != 0) {
RTMP_Close(&stream->rtmp);
warn("Failed to create socket thread");
return OBS_OUTPUT_ERROR;
}
stream->socket_thread_active = true;
stream->rtmp.m_bCustomSend = true;
stream->rtmp.m_customSendFunc = socket_queue_data;
stream->rtmp.m_customSendParam = stream;
}
os_atomic_set_bool(&stream->active, true);
while (next) {
if (!send_meta_data(stream, idx++, &next)) {
warn("Disconnected while attempting to connect to "
"server.");
set_output_error(stream);
return OBS_OUTPUT_DISCONNECTED;
}
}
obs_output_begin_data_capture(stream->output, 0);
return OBS_OUTPUT_SUCCESS;
}
#ifdef _WIN32
static void win32_log_interface_type(struct rtmp_stream *stream)
{
RTMP *rtmp = &stream->rtmp;
MIB_IPFORWARDROW route;
uint32_t dest_addr, source_addr;
char hostname[256];
HOSTENT *h;
if (rtmp->Link.hostname.av_len >= sizeof(hostname) - 1)
return;
strncpy(hostname, rtmp->Link.hostname.av_val, sizeof(hostname));
hostname[rtmp->Link.hostname.av_len] = 0;
h = gethostbyname(hostname);
if (!h)
return;
dest_addr = *(uint32_t*)h->h_addr_list[0];
if (rtmp->m_bindIP.addrLen == 0)
source_addr = 0;
else if (rtmp->m_bindIP.addr.ss_family == AF_INET)
source_addr = (*(struct sockaddr_in*)&rtmp->m_bindIP)
.sin_addr.S_un.S_addr;
else
return;
if (!GetBestRoute(dest_addr, source_addr, &route)) {
MIB_IFROW row;
memset(&row, 0, sizeof(row));
row.dwIndex = route.dwForwardIfIndex;
if (!GetIfEntry(&row)) {
uint32_t speed =row.dwSpeed / 1000000;
char *type;
struct dstr other = {0};
if (row.dwType == IF_TYPE_ETHERNET_CSMACD) {
type = "ethernet";
} else if (row.dwType == IF_TYPE_IEEE80211) {
type = "802.11";
} else {
dstr_printf(&other, "type %lu", row.dwType);
type = other.array;
}
info("Interface: %s (%s, %lu mbps)", row.bDescr, type,
speed);
dstr_free(&other);
}
}
}
