/** @internal @This catches events coming from an inner pipe, and
* attaches them to the bin pipe.
*
* @param uprobe pointer to the probe in upipe_wsrc_alloc
* @param inner pointer to the inner pipe
* @param event event triggered by the inner pipe
* @param args arguments of the event
* @return an error code
*/
static int upipe_wsrc_proxy_probe(struct uprobe *uprobe, struct upipe *inner,
int event, va_list args)
{
struct upipe_wsrc *s = container_of(uprobe, struct upipe_wsrc, proxy_probe);
struct upipe *upipe = upipe_wsrc_to_upipe(s);
return upipe_throw_proxy(upipe, inner, event, args);
}
/** @internal @This handles inner reader pipe events.
*
* @param uprobe structure used to raise events
* @param inner pointer to inner pipe
* @param event event thrown
* @param args optional arguments
* @return an error code
*/
static int probe_reader(struct uprobe *uprobe, struct upipe *inner,
int event, va_list args)
{
struct upipe_hls *upipe_hls = upipe_hls_from_probe_reader(uprobe);
struct upipe *upipe = upipe_hls_to_upipe(upipe_hls);
if (event >= UPROBE_LOCAL)
return UBASE_ERR_NONE;
if (event == UPROBE_NEED_OUTPUT) {
struct uref *flow_format = va_arg(args, struct uref *);
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_format, &def));
struct uref *flow_format_dup = uref_dup(flow_format);
if (unlikely(!flow_format_dup)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return UBASE_ERR_ALLOC;
}
upipe_hls_store_flow_def(upipe, flow_format_dup);
if (!strcmp(def, "block.m3u.playlist.")) {
struct upipe_mgr *upipe_null_mgr = upipe_null_mgr_alloc();
struct upipe *output = upipe_void_alloc_output(
inner, upipe_null_mgr,
uprobe_pfx_alloc(uprobe_use(&upipe_hls->probe_null),
UPROBE_LOG_VERBOSE, "null"));
upipe_mgr_release(upipe_null_mgr);
upipe_release(output);
upipe_split_throw_update(upipe);
return UBASE_ERR_NONE;
}
else if (!strcmp(def, "block.m3u.master.")) {
struct upipe_mgr *upipe_hls_master_mgr =
upipe_hls_master_mgr_alloc();
UBASE_ALLOC_RETURN(upipe_hls_master_mgr);
struct upipe *output = upipe_void_alloc_output(
inner, upipe_hls_master_mgr,
uprobe_pfx_alloc(uprobe_use(&upipe_hls->probe_master),
UPROBE_LOG_VERBOSE, "master"));
upipe_mgr_release(upipe_hls_master_mgr);
UBASE_ALLOC_RETURN(output);
upipe_hls_store_bin_output(upipe, output);
return UBASE_ERR_NONE;
}
else
upipe_warn_va(upipe, "unsupported flow format %s", def);
return UBASE_ERR_INVALID;
}
return upipe_throw_proxy(upipe, inner, event, args);
}
/** @internal @This handles inner master pipe events.
*
* @param uprobe structure used to raise events
* @param inner pointer to inner pipe
* @param event event thrown
* @param args optional arguments
* @return an error code
*/
static int probe_master(struct uprobe *uprobe, struct upipe *inner,
int event, va_list args)
{
struct upipe_hls *upipe_hls = upipe_hls_from_probe_master(uprobe);
struct upipe *upipe = upipe_hls_to_upipe(upipe_hls);
switch (event) {
case UPROBE_NEW_FLOW_DEF:
return UBASE_ERR_NONE;
case UPROBE_NEED_OUTPUT:
return UBASE_ERR_INVALID;
}
return upipe_throw_proxy(upipe, inner, event, args);
}