Rémi Denis-Courmont: > --- > configure | 4 ++-- > libavcodec/mpegvideo.c | 40 +++++++++------------------------------- > 2 files changed, 11 insertions(+), 33 deletions(-) > > diff --git a/configure b/configure > index fed4c44cd1..42b9a72d5a 100755 > --- a/configure > +++ b/configure > @@ -2954,8 +2954,8 @@ ftr_decoder_select="adts_header" > g2m_decoder_deps="zlib" > g2m_decoder_select="blockdsp idctdsp jpegtables" > g729_decoder_select="audiodsp" > -h261_decoder_select="mpegvideodec" > -h261_encoder_select="mpegvideoenc" > +h261_decoder_select="h263dsp mpegvideodec"
Unnecessary since f793074784ae79dabc4f83b61710161b3fe3288c (Btw: It was not only H.261 and H.263 using these; RV34 and VC-1 did so, too, but only for the error-resilience code. But this is no longer an issue since 7b539ca3e6bae701d88096ff8dc3db7f13b7318a.) > +h261_encoder_select="h263dsp mpegvideoenc" > h263_decoder_select="h263_parser h263dsp mpegvideodec qpeldsp" > h263_encoder_select="h263dsp mpegvideoenc" > h263i_decoder_select="h263_decoder" > diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c > index b9a0469335..c9094d1cce 100644 > --- a/libavcodec/mpegvideo.c > +++ b/libavcodec/mpegvideo.c > @@ -202,13 +202,11 @@ static void dct_unquantize_mpeg2_inter_c(MpegEncContext > *s, > static void dct_unquantize_h263_intra_c(MpegEncContext *s, > int16_t *block, int n, int qscale) > { > - int i, level, qmul, qadd; > - int nCoeffs; > + int qmul = qscale << 1; > + int qadd, nCoeffs; > > av_assert2(s->block_last_index[n]>=0 || s->h263_aic); > > - qmul = qscale << 1; > - > if (!s->h263_aic) { > block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; > qadd = (qscale - 1) | 1; > @@ -220,43 +218,20 @@ static void dct_unquantize_h263_intra_c(MpegEncContext > *s, > else > nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]; > > - for(i=1; i<=nCoeffs; i++) { > - level = block[i]; > - if (level) { > - if (level < 0) { > - level = level * qmul - qadd; > - } else { > - level = level * qmul + qadd; > - } > - block[i] = level; > - } > - } > + s->h263dsp.h263_dct_unquantize_intra(block, nCoeffs, qmul, qadd); > } > > static void dct_unquantize_h263_inter_c(MpegEncContext *s, > int16_t *block, int n, int qscale) > { > - int i, level, qmul, qadd; > + int qmul = qscale << 1; > + int qadd = (qscale - 1) | 1; > int nCoeffs; > > av_assert2(s->block_last_index[n]>=0); > > - qadd = (qscale - 1) | 1; > - qmul = qscale << 1; > - > nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; > - > - for(i=0; i<=nCoeffs; i++) { > - level = block[i]; > - if (level) { > - if (level < 0) { > - level = level * qmul - qadd; > - } else { > - level = level * qmul + qadd; > - } > - block[i] = level; > - } > - } > + s->h263dsp.h263_dct_unquantize_inter(block, nCoeffs, qmul, qadd); This adds an indirection. I have asked you to actually benchmark this code (and not only the DSP function you add), but you never did. > } > > > @@ -276,6 +251,9 @@ static void gray8(uint8_t *dst, const uint8_t *src, > ptrdiff_t linesize, int h) > static av_cold void dsp_init(MpegEncContext *s) > { > ff_blockdsp_init(&s->bdsp); > +#if CONFIG_H263DSP > + ff_h263dsp_init(&s->h263dsp); > +#endif > ff_hpeldsp_init(&s->hdsp, s->avctx->flags); > ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample); > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".