int dvb_step_channel(stream_t *stream, int dir)
{
int new_current;
dvb_channels_list *list;
dvb_priv_t *priv = stream->priv;
mp_msg(MSGT_DEMUX, MSGL_V, "DVB_STEP_CHANNEL dir %d\n", dir);
if(priv == NULL)
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_step_channel: NULL priv_ptr, quit\n");
return 0;
}
list = priv->list;
if(list == NULL)
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_step_channel: NULL list_ptr, quit\n");
return 0;
}
new_current = (list->NUM_CHANNELS + list->current + (dir == DVB_CHANNEL_HIGHER ? 1 : -1)) % list->NUM_CHANNELS;
return dvb_set_channel(stream, priv->card, new_current);
}
int dvb_step_channel(stream_t *stream, int dir)
{
int new_current;
dvb_channels_list *list;
dvb_priv_t *priv = stream->priv;
MP_VERBOSE(stream, "DVB_STEP_CHANNEL dir %d\n", dir);
if(priv == NULL)
{
MP_ERR(stream, "dvb_step_channel: NULL priv_ptr, quit\n");
return 0;
}
list = priv->list;
if(list == NULL)
{
MP_ERR(stream, "dvb_step_channel: NULL list_ptr, quit\n");
return 0;
}
new_current = (list->NUM_CHANNELS + list->current + (dir >= 0 ? 1 : -1)) % list->NUM_CHANNELS;
return dvb_set_channel(stream, priv->card, new_current);
}
static int dvbin_stream_control(struct stream *s, int cmd, void *arg)
{
int r;
switch (cmd) {
case STREAM_CTRL_DVB_SET_CHANNEL: {
int *iarg = arg;
r = dvb_set_channel(s, iarg[1], iarg[0]);
return r ? STREAM_OK : STREAM_ERROR;
}
case STREAM_CTRL_DVB_STEP_CHANNEL:
r = dvb_step_channel(s, *(int *)arg);
return r ? STREAM_OK : STREAM_ERROR;
}
return STREAM_UNSUPPORTED;
}
static int dvb_streaming_start(stream_t *stream, int tuner_type, char *progname)
{
int i;
dvb_channel_t *channel = NULL;
dvb_priv_t *priv = stream->priv;
dvb_priv_t *opts = priv;
mp_msg(MSGT_DEMUX, MSGL_V, "\r\ndvb_streaming_start(PROG: %s, CARD: %d)\r\n",
opts->cfg_prog, opts->cfg_card);
priv->is_on = 0;
i = 0;
while((channel == NULL) && i < priv->list->NUM_CHANNELS)
{
if(! strcmp(priv->list->channels[i].name, progname))
channel = &(priv->list->channels[i]);
i++;
}
if(channel != NULL)
{
priv->list->current = i-1;
mp_msg(MSGT_DEMUX, MSGL_V, "PROGRAM NUMBER %d: name=%s, freq=%u\n", i-1, channel->name, channel->freq);
}
else
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "\n\nDVBIN: no such channel \"%s\"\n\n", progname);
return 0;
}
if(!dvb_set_channel(stream, priv->card, priv->list->current))
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR, COULDN'T SET CHANNEL %i: ", priv->list->current);
dvbin_close(stream);
return 0;
}
mp_msg(MSGT_DEMUX, MSGL_V, "SUCCESSFUL EXIT from dvb_streaming_start\n");
return 1;
}
static int dvbin_stream_control(struct stream *s, int cmd, void *arg)
{
int r;
switch (cmd) {
case STREAM_CTRL_DVB_SET_CHANNEL: {
int *iarg = arg;
r = dvb_set_channel(s, iarg[1], iarg[0]);
if (r) {
// Stream will be pulled down after channel switch,
// persist state.
dvb_priv_t *priv = (dvb_priv_t *) s->priv;
dvb_state_t* state = priv->state;
state->switching_channel = true;
return STREAM_OK;
}
return STREAM_ERROR;
}
case STREAM_CTRL_DVB_SET_CHANNEL_NAME: {
char *progname = *((char**)arg);
dvb_priv_t *priv = (dvb_priv_t *) s->priv;
dvb_state_t* state = priv->state;
int new_channel = -1;
for (int i=0; i < state->list->NUM_CHANNELS; ++i) {
if (!strcmp(state->list->channels[i].name, progname)) {
new_channel = i;
break;
}
}
if (new_channel == -1) {
MP_ERR(s, "Program '%s' not found for card %d!\n",
progname, state->card);
return STREAM_ERROR;
}
r = dvb_set_channel(s, state->card, new_channel);
if (r) {
// Stream will be pulled down after channel switch,
// persist state.
state->switching_channel = true;
return STREAM_OK;
}
return STREAM_ERROR;
}
case STREAM_CTRL_DVB_STEP_CHANNEL: {
r = dvb_step_channel(s, *(int *)arg);
if (r) {
// Stream will be pulled down after channel switch,
// persist state.
dvb_priv_t *priv = (dvb_priv_t *) s->priv;
dvb_state_t* state = priv->state;
state->switching_channel = true;
return STREAM_OK;
}
return STREAM_ERROR;
}
case STREAM_CTRL_DVB_GET_CHANNEL_NAME: {
dvb_priv_t *priv = (dvb_priv_t *) s->priv;
dvb_state_t* state = priv->state;
int current_channel = state->list->current;
char* progname = state->list->channels[current_channel].name;
*(char **)arg = talloc_strdup(NULL, progname);
return STREAM_OK;
}
case STREAM_CTRL_GET_METADATA: {
struct mp_tags* metadata = talloc_zero(NULL, struct mp_tags);
dvb_priv_t *priv = (dvb_priv_t *) s->priv;
dvb_state_t* state = priv->state;
int current_channel = state->list->current;
char* progname = state->list->channels[current_channel].name;
mp_tags_set_str(metadata, "title", progname);
*(struct mp_tags **)arg = metadata;
return STREAM_OK;
}
}
return STREAM_UNSUPPORTED;
}
