static bool
httpd_output_encode_and_play(struct httpd_output *httpd,
const void *chunk, size_t size, GError **error)
{
bool success;
struct page *page;
success = encoder_write(httpd->encoder, chunk, size, error);
if (!success)
return false;
g_mutex_lock(httpd->mutex);
g_list_foreach(httpd->clients, httpd_client_check_queue, NULL);
g_mutex_unlock(httpd->mutex);
while ((page = httpd_output_read_page(httpd)) != NULL) {
g_mutex_lock(httpd->mutex);
g_list_foreach(httpd->clients,
httpd_client_send_page, page);
g_mutex_unlock(httpd->mutex);
page_unref(page);
}
return true;
}
static void
httpd_output_tag(struct audio_output *ao, const struct tag *tag)
{
struct httpd_output *httpd = (struct httpd_output *)ao;
assert(tag != NULL);
if (httpd->encoder->plugin->tag != NULL) {
/* embed encoder tags */
struct page *page;
/* flush the current stream, and end it */
encoder_pre_tag(httpd->encoder, NULL);
httpd_output_encoder_to_clients(httpd);
/* send the tag to the encoder - which starts a new
stream now */
encoder_tag(httpd->encoder, tag, NULL);
/* the first page generated by the encoder will now be
used as the new "header" page, which is sent to all
new clients */
page = httpd_output_read_page(httpd);
if (page != NULL) {
if (httpd->header != NULL)
page_unref(httpd->header);
httpd->header = page;
httpd_output_broadcast_page(httpd, page);
}
} else {
/* use Icy-Metadata */
if (httpd->metadata != NULL)
page_unref (httpd->metadata);
httpd->metadata =
icy_server_metadata_page(tag, TAG_ALBUM,
TAG_ARTIST, TAG_TITLE,
TAG_NUM_OF_ITEM_TYPES);
if (httpd->metadata != NULL) {
g_mutex_lock(httpd->mutex);
g_list_foreach(httpd->clients,
httpd_send_metadata, httpd->metadata);
g_mutex_unlock(httpd->mutex);
}
}
}
/**
* Broadcasts data from the encoder to all clients.
*/
static void
httpd_output_encoder_to_clients(struct httpd_output *httpd)
{
struct page *page;
g_mutex_lock(httpd->mutex);
g_list_foreach(httpd->clients, httpd_client_check_queue, NULL);
g_mutex_unlock(httpd->mutex);
while ((page = httpd_output_read_page(httpd)) != NULL) {
httpd_output_broadcast_page(httpd, page);
page_unref(page);
}
}
static bool
httpd_output_encoder_open(struct httpd_output *httpd,
struct audio_format *audio_format,
GError **error)
{
bool success;
success = encoder_open(httpd->encoder, audio_format, error);
if (!success)
return false;
/* we have to remember the encoder header, i.e. the first
bytes of encoder output after opening it, because it has to
be sent to every new client */
httpd->header = httpd_output_read_page(httpd);
return true;
}
