void graph::httpclntops::do_load ()
{
assert (!comp_lst_.empty ());
assert (!role_lst_.empty ());
// At this point we are going to instantiate the two remaining components in
// the graph, the audio decoder and the pcm renderer. The http source is
// already instantiated and in Executing state.
assert (comp_lst_.size () == 1);
dump_stream_metadata ();
G_OPS_BAIL_IF_ERROR (
get_encoding_type_from_http_source (),
"Unable to retrieve the audio encoding from the http source.");
omx_comp_name_lst_t comp_list;
omx_comp_role_lst_t role_list;
G_OPS_BAIL_IF_ERROR (add_decoder_to_component_list (comp_list, role_list),
"Unknown/unhandled stream format.");
comp_list.push_back (tiz::graph::util::get_default_pcm_renderer ());
role_list.push_back ("audio_renderer.pcm");
tiz::graph::cbackhandler &cbacks = get_cback_handler ();
G_OPS_BAIL_IF_ERROR (
util::instantiate_comp_list (comp_list, handles_, h2n_, &(cbacks),
cbacks.get_omx_cbacks ()),
"Unable to instantiate the component list.");
// Now add the the new components to the base class lists
comp_lst_.insert (comp_lst_.begin (), comp_list.begin (), comp_list.end ());
role_lst_.insert (role_lst_.begin (), role_list.begin (), role_list.end ());
}
void graph::youtubeops::do_load_decoder ()
{
assert (comp_lst_.size () == 2);
assert (role_lst_.size () == 2);
assert (handles_.size () == 2);
// The audio decoder needs to be instantiated next.
G_OPS_BAIL_IF_ERROR (
get_encoding_type_from_container_demuxer (),
"Unable to retrieve the audio encoding from the container demuxer.");
omx_comp_name_lst_t comp_list;
omx_comp_role_lst_t role_list;
G_OPS_RECORD_IF_ERROR (add_decoder_to_component_list (comp_list, role_list),
"Unknown/unhandled stream format.");
tiz::graph::cbackhandler &cbacks = get_cback_handler ();
G_OPS_RECORD_IF_ERROR (
util::instantiate_comp_list (comp_list, handles_, h2n_, &(cbacks),
cbacks.get_omx_cbacks ()),
"Unable to instantiate the component list.");
// Now add the new components to the base class lists
comp_lst_.insert (comp_lst_.begin (), comp_list.begin (), comp_list.end ());
role_lst_.insert (role_lst_.begin (), role_list.begin (), role_list.end ());
}
void graph::youtubeops::do_load_demuxer ()
{
assert (comp_lst_.size () == 1);
assert (role_lst_.size () == 1);
assert (handles_.size () == 1);
// The youtube source is already instantiated. The container demuxer needs to
// be instantiated next.
G_OPS_BAIL_IF_ERROR (
get_container_type_from_youtube_source (),
"Unable to retrieve the audio encoding from the container demuxer.");
omx_comp_handle_lst_t hdl_list;
omx_comp_name_lst_t comp_list;
omx_comp_role_lst_t role_list;
G_OPS_BAIL_IF_ERROR (add_demuxer_to_component_list (comp_list, role_list),
"Unknown/unhandled container format.");
G_OPS_BAIL_IF_ERROR (util::verify_comp_list (comp_list),
"Unable to verify the component list.");
omx_comp_role_pos_lst_t role_positions;
G_OPS_BAIL_IF_ERROR (
util::verify_role_list (comp_list, role_list, role_positions),
"Unable to verify the role list.");
tiz::graph::cbackhandler &cbacks = get_cback_handler ();
G_OPS_BAIL_IF_ERROR (
util::instantiate_comp_list (comp_list, handles_, h2n_, &(cbacks),
cbacks.get_omx_cbacks ()),
"Unable to instantiate the component list.");
hdl_list.insert (hdl_list.begin (), handles_.rbegin (),
handles_.rbegin () + 1);
G_OPS_BAIL_IF_ERROR (
util::set_role_list (hdl_list, role_list, role_positions),
"Unable to instantiate the component list.");
// Now add the new components to the base class lists
comp_lst_.insert (comp_lst_.begin (), comp_list.begin (), comp_list.end ());
role_lst_.insert (role_lst_.begin (), role_list.begin (), role_list.end ());
}
void graph::youtubeops::do_load_http_source ()
{
assert (comp_lst_.size () == 0);
assert (role_lst_.size () == 0);
assert (handles_.size () == 0);
// The youtube source will be instantiated now.
omx_comp_name_lst_t comp_list;
comp_list.push_back ("OMX.Aratelia.audio_source.http");
omx_comp_role_lst_t role_list;
role_list.push_back ("audio_source.http.youtube");
G_OPS_BAIL_IF_ERROR (util::verify_comp_list (comp_list),
"Unable to verify the component list.");
omx_comp_role_pos_lst_t role_positions;
G_OPS_BAIL_IF_ERROR (
util::verify_role_list (comp_list, role_list, role_positions),
"Unable to verify the role list.");
tiz::graph::cbackhandler &cbacks = get_cback_handler ();
G_OPS_BAIL_IF_ERROR (
util::instantiate_comp_list (comp_list, handles_, h2n_, &(cbacks),
cbacks.get_omx_cbacks ()),
"Unable to instantiate the component list.");
G_OPS_BAIL_IF_ERROR (
util::set_role_list (handles_, role_list, role_positions),
"Unable to instantiate the component list.");
// Now add the new component to the base class lists
comp_lst_.insert (comp_lst_.begin (), comp_list.begin (), comp_list.end ());
role_lst_.insert (role_lst_.begin (), role_list.begin (), role_list.end ());
if (inital_graph_load_)
{
inital_graph_load_ = false;
tiz::graph::util::dump_graph_info ("Youtube", "Connecting", "");
}
}
void graph::youtubeops::do_load_renderer ()
{
assert (comp_lst_.size () == 3);
assert (role_lst_.size () == 3);
assert (handles_.size () == 3);
// The audio renderer needs to be instantiated next.
omx_comp_name_lst_t comp_list;
omx_comp_role_lst_t role_list;
comp_list.push_back (tiz::graph::util::get_default_pcm_renderer ());
role_list.push_back ("audio_renderer.pcm");
tiz::graph::cbackhandler &cbacks = get_cback_handler ();
G_OPS_RECORD_IF_ERROR (
util::instantiate_comp_list (comp_list, handles_, h2n_, &(cbacks),
cbacks.get_omx_cbacks ()),
"Unable to instantiate the component list.");
// Now add the new components to the base class lists
comp_lst_.insert (comp_lst_.begin (), comp_list.begin (), comp_list.end ());
role_lst_.insert (role_lst_.begin (), role_list.begin (), role_list.end ());
}
void graph::gmusicops::do_load ()
{
assert (!comp_lst_.empty ());
assert (!role_lst_.empty ());
// At this point we are going to instantiate the remaining component in the
// graph, the audio decoder and the pcm renderer. The gmusic source is already
// instantiated and in
// Executing state.
assert (comp_lst_.size () == 1);
assert (handles_.size () == 1);
G_OPS_BAIL_IF_ERROR (
get_encoding_type_from_gmusic_source (),
"Unable to retrieve the audio encoding from the gmusic source.");
omx_comp_name_lst_t comp_list;
omx_comp_role_lst_t role_list;
comp_list.push_back ("OMX.Aratelia.audio_decoder.mp3");
role_list.push_back ("audio_decoder.mp3");
comp_list.push_back (tiz::graph::util::get_default_pcm_renderer ());
role_list.push_back ("audio_renderer.pcm");
tiz::graph::cbackhandler &cbacks = get_cback_handler ();
G_OPS_BAIL_IF_ERROR (
util::instantiate_comp_list (comp_list, handles_, h2n_, &(cbacks),
cbacks.get_omx_cbacks ()),
"Unable to instantiate the component list.");
// Now add the new components to the base class lists
comp_lst_.insert (comp_lst_.begin (), comp_list.begin (), comp_list.end ());
role_lst_.insert (role_lst_.begin (), role_list.begin (), role_list.end ());
}
