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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2012-02-10 19:53:41 +0100 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2012-02-10 23:18:52 +0100 |
| commit | 5338566eafe0e019f6a9c5cbbc1791beea6f19c8 (patch) | |
| tree | 5a9f2c6c06625f239eb28b427e12ac4186ad645f /libavcodec/mpegvideo.c | |
| parent | af46ca73568ea8edb261d2aeedd892c68fa918bc (diff) | |
| download | ffmpeg-5338566eafe0e019f6a9c5cbbc1791beea6f19c8.tar.gz | |
mpegvideodec: minor simplifications.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Diffstat (limited to 'libavcodec/mpegvideo.c')
| -rw-r--r-- | libavcodec/mpegvideo.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 1befe7f492..5e9189c8b8 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -2648,10 +2648,7 @@ static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, nCoeffs= s->block_last_index[n]; - if (n < 4) - block[0] = block[0] * s->y_dc_scale; - else - block[0] = block[0] * s->c_dc_scale; + block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; /* XXX: only mpeg1 */ quant_matrix = s->intra_matrix; for(i=1;i<=nCoeffs;i++) { @@ -2710,10 +2707,7 @@ static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, if(s->alternate_scan) nCoeffs= 63; else nCoeffs= s->block_last_index[n]; - if (n < 4) - block[0] = block[0] * s->y_dc_scale; - else - block[0] = block[0] * s->c_dc_scale; + block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; quant_matrix = s->intra_matrix; for(i=1;i<=nCoeffs;i++) { int j= s->intra_scantable.permutated[i]; @@ -2741,10 +2735,7 @@ static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, if(s->alternate_scan) nCoeffs= 63; else nCoeffs= s->block_last_index[n]; - if (n < 4) - block[0] = block[0] * s->y_dc_scale; - else - block[0] = block[0] * s->c_dc_scale; + block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; quant_matrix = s->intra_matrix; for(i=1;i<=nCoeffs;i++) { int j= s->intra_scantable.permutated[i]; @@ -2806,10 +2797,7 @@ static void dct_unquantize_h263_intra_c(MpegEncContext *s, qmul = qscale << 1; if (!s->h263_aic) { - if (n < 4) - block[0] = block[0] * s->y_dc_scale; - else - block[0] = block[0] * s->c_dc_scale; + block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; qadd = (qscale - 1) | 1; }else{ qadd = 0; |