virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

libavcodec: Make use of av_clip functions

Browse Source 
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Peter Meerwald 2015-02-20 01:35:35 +01:00 committed by Luca Barbato
parent 76ce9bd8e2
commit 9abc80f1ed
13 changed files with 31 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/aaccoder.c
View File

@ -161,7 +161,7 @@ static av_always_inline float quantize_and_encode_band_cost_template(
di = t - CLIPPED_ESCAPE;
curbits += 21;
} else {
int c = av_clip(quant(t, Q), 0, 8191);
int c = av_clip_uintp2(quant(t, Q), 13);
di = t - c*cbrtf(c)*IQ;
curbits += av_log2(c)*2 - 4 + 1;
}
@ -191,7 +191,7 @@ static av_always_inline float quantize_and_encode_band_cost_template(
if (BT_ESC) {
for (j = 0; j < 2; j++) {
if (ff_aac_codebook_vectors[cb-1][curidx*2+j] == 64.0f) {
int coef = av_clip(quant(fabsf(in[i+j]), Q), 0, 8191);
int coef = av_clip_uintp2(quant(fabsf(in[i+j]), Q), 13);
int len = av_log2(coef);
put_bits(pb, len - 4 + 1, (1 << (len - 4 + 1)) - 2);

2
libavcodec/ac3dsp.c
View File

@ -125,7 +125,7 @@ static void ac3_bit_alloc_calc_bap_c(int16_t *mask, int16_t *psd,
band_end = FFMIN(band_end, end);
for (; bin < band_end; bin++) {
int address = av_clip((psd[bin] - m) >> 5, 0, 63);
int address = av_clip_uintp2((psd[bin] - m) >> 5, 6);
bap[bin] = bap_tab[address];
}
} while (end > band_end);

6
libavcodec/cavs.c
View File

@ -90,9 +90,9 @@ static inline int get_bs(cavs_vector *mvP, cavs_vector *mvQ, int b)
}
#define SET_PARAMS \
alpha = alpha_tab[av_clip(qp_avg + h->alpha_offset, 0, 63)]; \
beta = beta_tab[av_clip(qp_avg + h->beta_offset, 0, 63)]; \
tc = tc_tab[av_clip(qp_avg + h->alpha_offset, 0, 63)];
alpha = alpha_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)]; \
beta = beta_tab[av_clip_uintp2(qp_avg + h->beta_offset, 6)]; \
tc = tc_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)];
/**
* in-loop deblocking filter for a single macroblock

6
libavcodec/g722dec.c
View File

@ -112,13 +112,13 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
ilow = get_bits(&gb, 6 - skip);
skip_bits(&gb, skip);
rlow = av_clip((c->band[0].scale_factor * quantizer_table[ilow] >> 10)
+ c->band[0].s_predictor, -16384, 16383);
rlow = av_clip_intp2((c->band[0].scale_factor * quantizer_table[ilow] >> 10)
+ c->band[0].s_predictor, 14);
ff_g722_update_low_predictor(&c->band[0], ilow >> (2 - skip));
dhigh = c->band[1].scale_factor * ff_g722_high_inv_quant[ihigh] >> 10;
rhigh = av_clip(dhigh + c->band[1].s_predictor, -16384, 16383);
rhigh = av_clip_intp2(dhigh + c->band[1].s_predictor, 14);
ff_g722_update_high_predictor(&c->band[1], dhigh, ihigh);

7
libavcodec/g722enc.c
View File

@ -225,9 +225,9 @@ static void g722_encode_trellis(G722Context *c, int trellis,
if (k < 0)
continue;
decoded = av_clip((cur_node->state.scale_factor *
decoded = av_clip_intp2((cur_node->state.scale_factor *
ff_g722_low_inv_quant6[k] >> 10)
+ cur_node->state.s_predictor, -16384, 16383);
+ cur_node->state.s_predictor, 14);
dec_diff = xlow - decoded;
#define STORE_NODE(index, UPDATE, VALUE)\
@ -284,8 +284,7 @@ static void g722_encode_trellis(G722Context *c, int trellis,
dhigh = cur_node->state.scale_factor *
ff_g722_high_inv_quant[ihigh] >> 10;
decoded = av_clip(dhigh + cur_node->state.s_predictor,
-16384, 16383);
decoded = av_clip_intp2(dhigh + cur_node->state.s_predictor, 14);
dec_diff = xhigh - decoded;
STORE_NODE(1, ff_g722_update_high_predictor(&node->state, dhigh, ihigh), ihigh);

2
libavcodec/g726.c
View File

@ -218,7 +218,7 @@ static int16_t g726_decode(G726Context* c, int I)
c->b[i] = 0;
} else {
/* This is a bit crazy, but it really is +255 not +256 */
fa1 = av_clip((-c->a[0]*c->pk[0]*pk0)>>5, -256, 255);
fa1 = av_clip_intp2((-c->a[0]*c->pk[0]*pk0)>>5, 8);
c->a[1] += 128*pk0*c->pk[1] + fa1 - (c->a[1]>>7);
c->a[1] = av_clip(c->a[1], -12288, 12288);

6
libavcodec/h264_direct.c
View File

@ -37,13 +37,13 @@
static int get_scale_factor(H264Context *const h, int poc, int poc1, int i)
{
int poc0 = h->ref_list[0][i].poc;
int td = av_clip(poc1 - poc0, -128, 127);
int td = av_clip_int8(poc1 - poc0);
if (td == 0 || h->ref_list[0][i].long_ref) {
return 256;
} else {
int tb = av_clip(poc - poc0, -128, 127);
int tb = av_clip_int8(poc - poc0);
int tx = (16384 + (FFABS(td) >> 1)) / td;
return av_clip((tb * tx + 32) >> 6, -1024, 1023);
return av_clip_intp2((tb * tx + 32) >> 6, 10);
}
}

4
libavcodec/h264_slice.c
View File

@ -853,9 +853,9 @@ static void implicit_weight_table(H264Context *h, int field)
int w = 32;
if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref) {
int poc1 = h->ref_list[1][ref1].poc;
int td = av_clip(poc1 - poc0, -128, 127);
int td = av_clip_int8(poc1 - poc0);
if (td) {
int tb = av_clip(cur_poc - poc0, -128, 127);
int tb = av_clip_int8(cur_poc - poc0);
int tx = (16384 + (FFABS(td) >> 1)) / td;
int dist_scale_factor = (tb * tx + 32) >> 8;
if (dist_scale_factor >= -64 && dist_scale_factor <= 128)

12
libavcodec/motionpixels.c
View File

@ -212,13 +212,13 @@ static void mp_decode_line(MotionPixelsContext *mp, GetBitContext *gb, int y)
p = mp_get_yuv_from_rgb(mp, x - 1, y);
} else {
p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));
p.y = av_clip(p.y, 0, 31);
p.y = av_clip_uintp2(p.y, 5);
if ((x & 3) == 0) {
if ((y & 3) == 0) {
p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));
p.v = av_clip(p.v, -32, 31);
p.v = av_clip_intp2(p.v, 5);
p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));
p.u = av_clip(p.u, -32, 31);
p.u = av_clip_intp2(p.u, 5);
mp->hpt[((y / 4) * mp->avctx->width + x) / 4] = p;
} else {
p.v = mp->hpt[((y / 4) * mp->avctx->width + x) / 4].v;
@ -242,12 +242,12 @@ static void mp_decode_frame_helper(MotionPixelsContext *mp, GetBitContext *gb)
p = mp_get_yuv_from_rgb(mp, 0, y);
} else {
p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));
p.y = av_clip(p.y, 0, 31);
p.y = av_clip_uintp2(p.y, 5);
if ((y & 3) == 0) {
p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));
p.v = av_clip(p.v, -32, 31);
p.v = av_clip_intp2(p.v, 5);
p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));
p.u = av_clip(p.u, -32, 31);
p.u = av_clip_intp2(p.u, 5);
}
mp->vpt[y] = p;
mp_set_rgb_from_yuv(mp, 0, y, &p);

2
libavcodec/opus_celt.c
View File

@ -1909,7 +1909,7 @@ static void celt_decode_bands(CeltContext *s, OpusRangeCoder *rc)
s->remaining2 = totalbits - consumed - 1;
if (i <= s->codedbands - 1) {
int curr_balance = s->remaining / FFMIN(3, s->codedbands-i);
b = av_clip(FFMIN(s->remaining2 + 1, s->pulses[i] + curr_balance), 0, 16383);
b = av_clip_uintp2(FFMIN(s->remaining2 + 1, s->pulses[i] + curr_balance), 14);
} else
b = 0;

6
libavcodec/opus_silk.c
View File

@ -1077,7 +1077,7 @@ static inline void silk_decode_lpc(SilkContext *s, SilkFrame *frame,
weight = y + ((213 * fpart * y) >> 16);
value = cur * 128 + (lsf_res[i] * 16384) / weight;
nlsf[i] = av_clip(value, 0, 32767);
nlsf[i] = av_clip_uintp2(value, 15);
}
/* stabilize the NLSF coefficients */
@ -1288,8 +1288,8 @@ static void silk_decode_frame(SilkContext *s, OpusRangeCoder *rc,
} else {
/* gain is coded relative */
int delta_gain = opus_rc_getsymbol(rc, silk_model_gain_delta);
log_gain = av_clip(FFMAX((delta_gain<<1) - 16,
frame->log_gain + delta_gain - 4), 0, 63);
log_gain = av_clip_uintp2(FFMAX((delta_gain<<1) - 16,
frame->log_gain + delta_gain - 4), 6);
}
frame->log_gain = log_gain;

4
libavcodec/takdec.c
View File

@ -487,7 +487,7 @@ static int decode_subframe(TAKDecContext *s, int32_t *decoded,
v += s->adsp.scalarproduct_int16(&s->residues[i], filter,
FFALIGN(filter_order, 16));
v = (av_clip(v >> filter_quant, -8192, 8191) << dshift) - *decoded;
v = (av_clip_intp2(v >> filter_quant, 13) << dshift) - *decoded;
*decoded++ = v;
s->residues[filter_order + i] = v >> dshift;
}
@ -657,7 +657,7 @@ static int decorrelate(TAKDecContext *s, int c1, int c2, int length)
v += s->adsp.scalarproduct_int16(&s->residues[i], filter,
FFALIGN(filter_order, 16));
p1[i] = (av_clip(v >> 10, -8192, 8191) << dshift) - p1[i];
p1[i] = (av_clip_intp2(v >> 10, 13) << dshift) - p1[i];
}
emms_c();

2
libavcodec/vc1dec.c
View File

@ -181,7 +181,7 @@ static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
yoff[i] = av_clip(sd->coefs[i][5], 0, v->sprite_height-1 << 16);
yadv[i] = av_clip(sd->coefs[i][4], 0, ((v->sprite_height << 16) - yoff[i]) / v->output_height);
}
alpha = av_clip(sd->coefs[1][6], 0, (1<<16) - 1);
alpha = av_clip_uint16(sd->coefs[1][6]);
for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) {
int width = v->output_width>>!!plane;