diff options
Diffstat (limited to 'ffmpeg/libavcodec/arm/mpegvideo_armv5te.c')
| -rw-r--r-- | ffmpeg/libavcodec/arm/mpegvideo_armv5te.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/ffmpeg/libavcodec/arm/mpegvideo_armv5te.c b/ffmpeg/libavcodec/arm/mpegvideo_armv5te.c deleted file mode 100644 index a572290..0000000 --- a/ffmpeg/libavcodec/arm/mpegvideo_armv5te.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Optimization of some functions from mpegvideo.c for armv5te - * Copyright (c) 2007 Siarhei Siamashka <ssvb@users.sourceforge.net> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" -#include "libavutil/avassert.h" -#include "libavcodec/avcodec.h" -#include "libavcodec/mpegvideo.h" -#include "mpegvideo_arm.h" - -void ff_dct_unquantize_h263_armv5te(int16_t *block, int qmul, int qadd, int count); - -#ifdef ENABLE_ARM_TESTS -/** - * h263 dequantizer supplementary function, it is performance critical and needs to - * have optimized implementations for each architecture. Is also used as a reference - * implementation in regression tests - */ -static inline void dct_unquantize_h263_helper_c(int16_t *block, int qmul, int qadd, int count) -{ - int i, level; - for (i = 0; i < count; i++) { - level = block[i]; - if (level) { - if (level < 0) { - level = level * qmul - qadd; - } else { - level = level * qmul + qadd; - } - block[i] = level; - } - } -} -#endif - -static void dct_unquantize_h263_intra_armv5te(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int level, qmul, qadd; - int nCoeffs; - - av_assert2(s->block_last_index[n]>=0); - - qmul = qscale << 1; - - if (!s->h263_aic) { - if (n < 4) - level = block[0] * s->y_dc_scale; - else - level = block[0] * s->c_dc_scale; - qadd = (qscale - 1) | 1; - }else{ - qadd = 0; - level = block[0]; - } - if(s->ac_pred) - nCoeffs=63; - else - nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; - - ff_dct_unquantize_h263_armv5te(block, qmul, qadd, nCoeffs + 1); - block[0] = level; -} - -static void dct_unquantize_h263_inter_armv5te(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int qmul, qadd; - 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] ]; - - ff_dct_unquantize_h263_armv5te(block, qmul, qadd, nCoeffs + 1); -} - -av_cold void ff_MPV_common_init_armv5te(MpegEncContext *s) -{ - s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_armv5te; - s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_armv5te; -} |
