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Add SNR and signal level for access_demux

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In particular, V4L is (usually) an access_demux rather than an access.
This commit is contained in:
Rémi Denis-Courmont 2012-05-10 23:53:00 +03:00
parent 77a137de94
commit 7a15955acd
2 changed files with 14 additions and 0 deletions
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2
include/vlc_demux.h
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@ -159,6 +159,8 @@ enum demux_query_e
DEMUX_SET_RATE, /* arg1= int*pi_rate can fail */
DEMUX_CAN_SEEK, /* arg1= bool* can fail (assume false)*/
DEMUX_GET_SIGNAL, /* arg1= double * arg2= double * can fail */
};
VLC_API int demux_vaControlHelper( stream_t *, int64_t i_start, int64_t i_end, int64_t i_bitrate, int i_align, int i_query, va_list args );

12
src/input/input.c
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@ -2253,6 +2253,18 @@ static void UpdateGenericFromDemux( input_thread_t *p_input )
}
p_demux->info.i_update &= ~INPUT_UPDATE_META;
}
if( p_demux->info.i_update & INPUT_UPDATE_SIGNAL )
{
double quality;
double strength;
if( demux_Control( p_demux, DEMUX_GET_SIGNAL, &quality, &strength ) )
quality = strength = -1.;
input_SendEventSignal( p_input, quality, strength );
p_demux->info.i_update &= ~INPUT_UPDATE_SIGNAL;
}
p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
}