DeckLinkOutputAdapter(unsigned int card_index = 0,
unsigned int norm_ = 0,
RawFrame::PixelFormat pf_ = RawFrame::CbYCrY8422,
bool enable_audio = false)
: deckLink(NULL),
deckLinkOutput(NULL), frame_counter(0),
last_frame(NULL), in_pipe(OUT_PIPE_SIZE), audio_in_pipe(NULL) {
norm = norm_;
assert(norm < sizeof(norms) / sizeof(struct decklink_norm));
time_base = norms[norm].time_base;
frame_duration = norms[norm].frame_duration;
pf = pf_;
bpf = convert_pf(pf_);
deckLink = find_card(card_index);
configure_card( );
open_card( );
preroll_video_frames(16);
if (enable_audio) {
setup_audio( );
}
start_video( );
thread_priority_hack( );
fprintf(stderr, "DeckLink: initialized using norm %s\n",
norms[norm].name);
}
static void make_play(card_t play)
{
hand_t *hand = &ggzcards.players[ggzcards.play_hand].hand;
int num = find_card(hand, play);
if (num < 0) {
assert(FALSE);
client_send_sync_request();
} else
client_send_play(play);
}
DeckLinkInputAdapter(unsigned int card_index = 0,
unsigned int norm_ = 0, unsigned int input_ = 0,
RawFrame::PixelFormat pf_ = RawFrame::CbYCrY8422,
bool enable_audio = false)
: deckLink(NULL), out_pipe(IN_PIPE_SIZE) {
audio_pipe = NULL;
pf = pf_;
bpf = convert_pf(pf_);
deckLink = find_card(card_index);
select_input_connection(input_);
open_input(norm_);
if (enable_audio) {
n_channels = 2;
select_audio_input_connection( );
open_audio_input( );
}
start_capture( );
}
DeckLinkInputAdapter(unsigned int card_index = 0,
unsigned int norm_ = 0, unsigned int input_ = 0,
RawFrame::PixelFormat pf_ = RawFrame::CbYCrY8422,
bool enable_audio = false, unsigned int n_channels = 2,
bool enable_video = true)
: deckLink(NULL), out_pipe(IN_PIPE_SIZE) {
audio_pipe = NULL;
started = false;
signal_lost = false;
rotate = false;
this->enable_video = enable_video;
n_frames = 0;
start_time = 0;
avsync = 0;
drop_audio = 0;
pf = pf_;
bpf = convert_pf(pf_);
deckLink = find_card(card_index);
select_input_connection(input_);
open_input(norm_);
if (enable_audio) {
audio_pipe = new Pipe<IOAudioPacket *>(IN_PIPE_SIZE);
}
this->n_channels = n_channels;
select_audio_input_connection( );
open_audio_input( );
start_capture( );
}
/**
* Initializes the alsa system by getting the cards
* and channels and setting the io watch for external
* volume changes.
*
* @return 0 on success otherwise negative error code
*/
static int
alsaset(void)
{
char *card_name;
char *channel;
// update list of available cards
DEBUG_PRINT("Getting available cards...");
get_cards();
assert(cards != NULL);
// get selected card
assert(active_card == NULL);
card_name = get_selected_card();
DEBUG_PRINT("Selected card: %s", card_name);
if (card_name) {
active_card = find_card(card_name);
g_free(card_name);
}
// if not available, use the default card
if (!active_card) {
DEBUG_PRINT("Using default soundcard");
active_card = cards->data;
}
// If no playable channels, iterate on card list until a valid card is
// found.
// In most situations, the first card of the list (which is the
// Alsa default card) can be opened.
// However, in some situations the default card may be unavailable.
// For example, when it's an USB DAC, and it's disconnected.
if (!active_card->channels) {
GSList *item;
DEBUG_PRINT("Card '%s' has no playable channels, iterating on card list",
active_card->dev);
for (item = cards; item; item = item->next) {
active_card = item->data;
if (active_card->channels)
break;
}
assert(item != NULL);
}
// open card
DEBUG_PRINT("Opening card '%s'...", active_card->dev);
smixer_options.device = active_card->dev;
handle = open_mixer(active_card->dev, &smixer_options, smixer_level);
assert(handle != NULL);
// Set the channel
// We have to handle the fact that the channel name defined
// in PNMixer configuration is not necessarily valid.
// For example, this may happen when the default alsa soundcard
// is modified. The channel names of the new default card may
// not match the channel names of the previous default card.
assert(elem == NULL);
channel = get_selected_channel(active_card->name);
if (channel) {
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_id_set_name(sid, channel);
elem = snd_mixer_find_selem(handle, sid);
g_free(channel);
}
if (elem == NULL) {
elem = snd_mixer_first_elem(handle);
}
assert(elem != NULL);
// Set callback
DEBUG_PRINT("Using channel '%s'", snd_mixer_selem_get_name(elem));
snd_mixer_elem_set_callback(elem, alsa_cb);
// set watch for volume changes
set_io_watch(handle);
return 0;
}
//take a specific card out of the deck
int remove_card(Deck *aDeckPtr, Card * card){
int index = find_card(aDeckPtr,card->suit,card->rank);
swap_card(aDeckPtr,index,aDeckPtr->topcardindex);
aDeckPtr->topcardindex++;
return 0;
}