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FS-7514: vlc endpoint stereo support, add vlc_rate and vlc_channels

This commit is contained in:
Seven Du 2015-02-28 22:51:14 +08:00 committed by Michael Jerris
parent 500b32b343
commit 455c20983f
1 changed files with 23 additions and 8 deletions
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31
src/mod/formats/mod_vlc/mod_vlc.c
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@ -1873,7 +1873,7 @@ switch_io_routines_t vlc_io_routines = {
/*state_run*/ NULL
};
static switch_status_t setup_tech_pvt(switch_core_session_t *osession, switch_core_session_t *session, const char *path)
static switch_status_t setup_tech_pvt(switch_core_session_t *osession, switch_core_session_t *session, switch_event_t *var_event, const char *path)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_memory_pool_t *pool = switch_core_session_get_pool(session);
@ -1890,13 +1890,29 @@ static switch_status_t setup_tech_pvt(switch_core_session_t *osession, switch_co
if (osession) {
switch_core_session_get_read_impl(osession, &tech_pvt->read_impl);
} else {
/* hard coded values, could also be set according to var_event if we want to support HD audio or stereo */
const char *val;
int tmp = 0;
tech_pvt->read_impl.microseconds_per_packet = 20000;
tech_pvt->read_impl.samples_per_packet = 8000;
tech_pvt->read_impl.actual_samples_per_second = tech_pvt->read_impl.samples_per_packet;
tech_pvt->read_impl.number_of_channels = 1;
tech_pvt->read_impl.iananame = "L16";
tech_pvt->read_impl.decoded_bytes_per_packet = 320 * tech_pvt->read_impl.number_of_channels;
val = switch_event_get_header(var_event, "vlc_rate");
if (val) tmp = atoi(val);
if (tmp == 0) tmp = 8000;
tech_pvt->read_impl.samples_per_second = tmp;
tech_pvt->read_impl.actual_samples_per_second = tmp;
tech_pvt->read_impl.samples_per_packet = tech_pvt->read_impl.samples_per_second / (tech_pvt->read_impl.microseconds_per_packet / 1000);
tmp = 0;
val = switch_event_get_header(var_event, "vlc_channels");
if (val) tmp = atoi(val);
if (tmp == 0) {
tmp = 1;
} else if (tmp > 2) {
tmp = 2;
}
tech_pvt->read_impl.number_of_channels = tmp;
tech_pvt->read_impl.decoded_bytes_per_packet = tech_pvt->read_impl.samples_per_packet * 2 * tech_pvt->read_impl.number_of_channels;
}
tech_pvt->session = session;
@ -1907,7 +1923,6 @@ static switch_status_t setup_tech_pvt(switch_core_session_t *osession, switch_co
switch_core_session_set_private(session, tech_pvt);
context = switch_core_session_alloc(session, sizeof(vlc_video_context_t));
switch_assert(context);
memset(context, 0, sizeof(vlc_file_context_t));
tech_pvt->context = context;
context->vlc_handle = libvlc_new(sizeof(vlc_args)/sizeof(char *), vlc_args);
@ -2094,7 +2109,7 @@ static switch_call_cause_t vlc_outgoing_channel(switch_core_session_t *session,
switch_channel_set_name(channel, name);
switch_channel_set_flag(channel, CF_VIDEO);
if (setup_tech_pvt(session, *new_session, outbound_profile->destination_number) != SWITCH_STATUS_SUCCESS) {
if (setup_tech_pvt(session, *new_session, var_event, outbound_profile->destination_number) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error steup tech_pvt!\n");
goto fail;
}