diff options
| -rw-r--r-- | libhb/decsub.c | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/libhb/decsub.c b/libhb/decsub.c index ee269c53b..eb3b35a34 100644 --- a/libhb/decsub.c +++ b/libhb/decsub.c @@ -141,7 +141,12 @@ static void ParseControls( hb_work_object_t * w ) pv->pts_start = 0; pv->pts_stop = 0; pv->pts_forced = 0; - + + pv->alpha[3] = 0; + pv->alpha[2] = 0; + pv->alpha[1] = 0; + pv->alpha[0] = 0; + for( i = pv->size_rle; ; ) { date = ( pv->buf[i] << 8 ) | pv->buf[i+1]; i += 2; @@ -193,7 +198,8 @@ static void ParseControls( hb_work_object_t * w ) break; case 0x02: // 0x02 - STP_DSP - Stop Display, no arguments - pv->pts_stop = pv->pts + date * 900; + if(!pv->pts_stop) + pv->pts_stop = pv->pts + date * 900; break; case 0x03: // 0x03 - SET_COLOR - Set Colour indices @@ -247,10 +253,32 @@ static void ParseControls( hb_work_object_t * w ) * (alpha blend) values to associate with the four * pixel values */ - pv->alpha[3] = (pv->buf[i+0]>>4)&0x0f; - pv->alpha[2] = (pv->buf[i+0])&0x0f; - pv->alpha[1] = (pv->buf[i+1]>>4)&0x0f; - pv->alpha[0] = (pv->buf[i+1])&0x0f; + uint8_t alpha[4]; + + alpha[3] = (pv->buf[i+0]>>4)&0x0f; + alpha[2] = (pv->buf[i+0])&0x0f; + alpha[1] = (pv->buf[i+1]>>4)&0x0f; + alpha[0] = (pv->buf[i+1])&0x0f; + + + int lastAlpha = pv->alpha[3] + pv->alpha[2] + pv->alpha[1] + pv->alpha[0]; + int currAlpha = alpha[3] + alpha[2] + alpha[1] + alpha[0]; + + // fading-in, save the highest alpha value + if( currAlpha > lastAlpha ) + { + pv->alpha[3] = alpha[3]; + pv->alpha[2] = alpha[2]; + pv->alpha[1] = alpha[1]; + pv->alpha[0] = alpha[0]; + } + + // fading-out + if( currAlpha < lastAlpha && !pv->pts_stop ) + { + pv->pts_stop = pv->pts + date * 900; + } + i += 2; break; } @@ -271,6 +299,8 @@ static void ParseControls( hb_work_object_t * w ) } } } + + if( i > next ) { |