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engine: avi: very dumb pause

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This commit is contained in:
Alibek Omarov
2025-01-23 18:55:48 +03:00
parent 6f0fb594e7
commit 952ccb1247
2 changed files with 18 additions and 2 deletions
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2
common/render_api.h
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@@ -169,6 +169,8 @@ enum movie_parms_e
AVI_ENTNUM, // (int) entity number, -1 for no spatialization
AVI_VOLUME, // (int) volume from 0 to 255
AVI_ATTN, // (float) attenuation value
AVI_PAUSE, // no argument, pauses playback
AVI_RESUME, // no argument, resumes playback
};
struct movie_state_s;

18
engine/client/avi/avi_ffmpeg.c
View File

@@ -76,6 +76,7 @@ struct movie_state_s
byte volume;
byte active : 1;
byte quiet : 1;
byte paused : 1;
};
qboolean AVI_SetParm( movie_state_t *Avi, enum movie_parms_e parm, ... )
@@ -127,6 +128,12 @@ qboolean AVI_SetParm( movie_state_t *Avi, enum movie_parms_e parm, ... )
fval = va_arg( va, double );
Avi->attn = Q_max( 0.0f, fval );
break;
case AVI_PAUSE:
Avi->paused = true;
break;
case AVI_RESUME:
Avi->paused = false;
break;
default:
ret = false;
}
@@ -253,7 +260,7 @@ static void AVI_StreamAudio( movie_state_t *Avi )
int buffer_samples, file_samples, file_bytes;
rawchan_t *ch = NULL;
// keep the same semantics, when S_RAW_SOUND_SOUNDTRACK doesn't play if S_SetStream wasn't enabled
// keep the same semantics, when S_RAW_SOUND_SOUNDTRACK doesn't play if S_StartStreaming wasn't enabled
qboolean disable_stream = Avi->entnum == S_RAW_SOUND_SOUNDTRACK ? !s_listener.streaming : false;
if( !dma.initialized || disable_stream || s_listener.paused || !Avi->cached_audio )
@@ -354,6 +361,13 @@ qboolean AVI_Think( movie_state_t *Avi )
if( !Avi->first_time ) // always remember at which timestamp we started playing
Avi->first_time = curtime;
if( Avi->paused )
{
// FIXME: there might be a better way to do this
Avi->last_time = curtime;
return true;
}
Con_NPrintf( 1, "cached_audio_buf_len = %zu", Avi->cached_audio_buf_len );
while( 1 ) // try to get multiple decoded frames to keep up when we're running at low fps
@@ -380,7 +394,7 @@ qboolean AVI_Think( movie_state_t *Avi )
{
res = avcodec_send_packet( Avi->video_ctx, Avi->pkt );
if( res < 0 )
AVI_SpewAvError( Avi->quiet, "avcodec_send_packet (audio)", res );
AVI_SpewAvError( Avi->quiet, "avcodec_send_packet (video)", res );
}
av_packet_unref( Avi->pkt );
}