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remove code duplications in uncompress

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Signed-off-by: Aric Stewart <aric@codeweavers.com>
This commit is contained in:
Aric Stewart 2012-09-24 10:49:00 -05:00 committed by Jeremy White
parent ad66ff9d6a
commit 1c33ccff66
1 changed files with 70 additions and 108 deletions
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178
quic.js
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@ -641,41 +641,32 @@ QuicEncoder.prototype.quic_decode_begin = function(io_ptr)
QuicEncoder.prototype.quic_rgb32_uncompress_row0_seg = function (i, cur_row, end,
waitmask, bpc, bpc_mask)
{
var channel_r = this.channels[0];
var channel_g = this.channels[1];
var channel_b = this.channels[2];
var correlate_row_r = channel_r.correlate_row;
var correlate_row_g = channel_g.correlate_row;
var correlate_row_b = channel_b.correlate_row;
var stopidx;
var n_channels = 3;
var c;
if (!i) {
var a;
cur_row[rgb32_pixel_pad] = 0;
a = golomb_decoding_8bpc(channel_r.find_bucket_8bpc(correlate_row_r.zero).bestcode, this.io_word);
correlate_row_r.row[0] = a.rc;
cur_row[rgb32_pixel_r] = (family_8bpc.xlatL2U[correlate_row_r.row[0]]&0xFF);
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_g.find_bucket_8bpc(correlate_row_g.zero).bestcode, this.io_word);
correlate_row_g.row[0] = a.rc;
cur_row[rgb32_pixel_g] = (family_8bpc.xlatL2U[correlate_row_g.row[0]]&0xFF);
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_b.find_bucket_8bpc(correlate_row_b.zero).bestcode, this.io_word);
correlate_row_b.row[0] = a.rc;
cur_row[rgb32_pixel_b] = (family_8bpc.xlatL2U[correlate_row_b.row[0]]&0xFF);
this.decode_eatbits(a.codewordlen);
c = 0;
do
{
a = golomb_decoding_8bpc(this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.zero).bestcode, this.io_word);
this.channels[c].correlate_row.row[0] = a.rc;
cur_row[2-c] = (family_8bpc.xlatL2U[a.rc]&0xFF);
this.decode_eatbits(a.codewordlen);
} while (++c < n_channels);
if (this.rgb_state.waitcnt) {
--this.rgb_state.waitcnt;
} else {
this.rgb_state.waitcnt = (this.rgb_state.tabrand() & waitmask);
channel_r.find_bucket_8bpc(correlate_row_r.zero).update_model_8bpc(this.rgb_state, correlate_row_r.row[0], bpc);
channel_g.find_bucket_8bpc(correlate_row_g.zero).update_model_8bpc(this.rgb_state, correlate_row_g.row[0], bpc);
channel_b.find_bucket_8bpc(correlate_row_b.zero).update_model_8bpc(this.rgb_state, correlate_row_b.row[0], bpc);
c = 0;
do
{
this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.zero).update_model_8bpc(this.rgb_state, this.channels[c].correlate_row.row[0], bpc);
} while (++c < n_channels);
}
stopidx = ++i + this.rgb_state.waitcnt;
} else {
@ -687,24 +678,20 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row0_seg = function (i, cur_row, end
var a;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_pad] = 0;
a = golomb_decoding_8bpc(channel_r.find_bucket_8bpc(correlate_row_r.row[i - 1]).bestcode, this.io_word);
correlate_row_r.row[i] = a.rc;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_r] = (family_8bpc.xlatL2U[correlate_row_r.row[i]] + cur_row[((i-1) * rgb32_pixel_size) + rgb32_pixel_r]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_g.find_bucket_8bpc(correlate_row_g.row[i - 1]).bestcode, this.io_word);
correlate_row_g.row[i] = a.rc;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_g] = (family_8bpc.xlatL2U[correlate_row_g.row[i]] + cur_row[((i-1) * rgb32_pixel_size) + rgb32_pixel_g]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_b.find_bucket_8bpc(correlate_row_b.row[i - 1]).bestcode, this.io_word);
correlate_row_b.row[i] = a.rc;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_b] = (family_8bpc.xlatL2U[correlate_row_b.row[i]] + cur_row[((i-1) * rgb32_pixel_size) + rgb32_pixel_b]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
c = 0;
do
{
a = golomb_decoding_8bpc(this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.row[i - 1]).bestcode, this.io_word);
this.channels[c].correlate_row.row[i] = a.rc;
cur_row[(i* rgb32_pixel_size)+(2-c)] = (family_8bpc.xlatL2U[a.rc] + cur_row[((i-1) * rgb32_pixel_size) + (2-c)]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
} while (++c < n_channels);
}
channel_r.find_bucket_8bpc(correlate_row_r.row[stopidx - 1]).update_model_8bpc(this.rgb_state, correlate_row_r.row[stopidx], bpc);
channel_g.find_bucket_8bpc(correlate_row_g.row[stopidx - 1]).update_model_8bpc(this.rgb_state, correlate_row_g.row[stopidx], bpc);
channel_b.find_bucket_8bpc(correlate_row_b.row[stopidx - 1]).update_model_8bpc(this.rgb_state, correlate_row_b.row[stopidx], bpc);
c = 0;
do
{
this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.row[stopidx - 1]).update_model_8bpc(this.rgb_state, this.channels[c].correlate_row.row[stopidx], bpc);
} while (++c < n_channels);
stopidx = i + (this.rgb_state.tabrand() & waitmask);
}
@ -712,18 +699,14 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row0_seg = function (i, cur_row, end
var a;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_pad] = 0;
a = golomb_decoding_8bpc(channel_r.find_bucket_8bpc(correlate_row_r.row[i - 1]).bestcode, this.io_word);
correlate_row_r.row[i] = a.rc;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_r] = (family_8bpc.xlatL2U[correlate_row_r.row[i]] + cur_row[((i-1) * rgb32_pixel_size) + rgb32_pixel_r]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_g.find_bucket_8bpc(correlate_row_g.row[i - 1]).bestcode, this.io_word);
correlate_row_g.row[i] = a.rc;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_g] = (family_8bpc.xlatL2U[correlate_row_g.row[i]] + cur_row[((i-1) * rgb32_pixel_size) + rgb32_pixel_g]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_b.find_bucket_8bpc(correlate_row_b.row[i - 1]).bestcode, this.io_word);
correlate_row_b.row[i] = a;
cur_row[(i* rgb32_pixel_size)+rgb32_pixel_b] = (family_8bpc.xlatL2U[correlate_row_b.row[i]] + cur_row[((i-1) * rgb32_pixel_size) + rgb32_pixel_b]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
c = 0;
do
{
a = golomb_decoding_8bpc(this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.row[i - 1]).bestcode, this.io_word);
this.channels[c].correlate_row.row[i] = a.rc;
cur_row[(i* rgb32_pixel_size)+(2-c)] = (family_8bpc.xlatL2U[a.rc] + cur_row[((i-1) * rgb32_pixel_size) + (2-c)]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
} while (++c < n_channels);
}
this.rgb_state.waitcnt = stopidx - end;
}
@ -761,18 +744,10 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row0 = function (cur_row)
QuicEncoder.prototype.quic_rgb32_uncompress_row_seg = function( prev_row, cur_row, i, end, bpc, bpc_mask)
{
var channel_r = this.channels[0];
var channel_g = this.channels[1];
var channel_b = this.channels[2];
var correlate_row_r = channel_r.correlate_row;
var correlate_row_g = channel_g.correlate_row;
var correlate_row_b = channel_b.correlate_row;
var n_channels = 3;
var waitmask = bppmask[this.rgb_state.wmidx];
var a;
var b = {
i: i,
run_index: 0,
@ -780,32 +755,28 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row_seg = function( prev_row, cur_ro
run_end: 0,
end : end
};
var c;
if (!b.i)
{
cur_row[rgb32_pixel_pad] = 0;
a = golomb_decoding_8bpc(channel_r.find_bucket_8bpc(correlate_row_r.zero).bestcode, this.io_word);
correlate_row_r.row[0] = a.rc;
cur_row[rgb32_pixel_r] = (family_8bpc.xlatL2U[correlate_row_r.row[0]] + prev_row[rgb32_pixel_r]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_g.find_bucket_8bpc(correlate_row_g.zero).bestcode, this.io_word);
correlate_row_g.row[0] = a.rc;
cur_row[rgb32_pixel_g] = (family_8bpc.xlatL2U[correlate_row_g.row[0]] + prev_row[rgb32_pixel_g]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_b.find_bucket_8bpc(correlate_row_b.zero).bestcode, this.io_word);
correlate_row_b.row[0] = a.rc;
cur_row[rgb32_pixel_b] = (family_8bpc.xlatL2U[correlate_row_b.row[0]] + prev_row[rgb32_pixel_b]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
c = 0;
do {
a = golomb_decoding_8bpc(this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.zero).bestcode, this.io_word);
this.channels[c].correlate_row.row[0] = a.rc;
cur_row[2-c] = (family_8bpc.xlatL2U[this.channels[c].correlate_row.row[0]] + prev_row[2-c]) & bpc_mask;
this.decode_eatbits(a.codewordlen);
} while (++c < n_channels);
if (this.rgb_state.waitcnt) {
--this.rgb_state.waitcnt;
} else {
this.rgb_state.waitcnt = (this.rgb_state.tabrand() & waitmask);
channel_r.find_bucket_8bpc(correlate_row_r.zero).update_model_8bpc(this.rgb_state, correlate_row_r.row[0], bpc);
channel_g.find_bucket_8bpc(correlate_row_g.zero).update_model_8bpc(this.rgb_state, correlate_row_g.row[0], bpc);
channel_b.find_bucket_8bpc(correlate_row_b.zero).update_model_8bpc(this.rgb_state, correlate_row_b.row[0], bpc);
c = 0;
do {
this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.zero).update_model_8bpc(this.rgb_state, this.channels[c].correlate_row.row[0], bpc);
} while (++c < n_channels);
}
b.stopidx = ++b.i + this.rgb_state.waitcnt;
} else {
@ -829,28 +800,25 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row_seg = function( prev_row, cur_ro
}
}
c = 0;
cur_row[pixel+rgb32_pixel_pad] = 0;
a = golomb_decoding_8bpc(channel_r.find_bucket_8bpc(correlate_row_r.row[b.i-1]).bestcode, this.io_word);
correlate_row_r.row[b.i] = a.rc;
cur_row[pixel+rgb32_pixel_r] = (family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+rgb32_pixel_r] + prev_row[pixel+rgb32_pixel_r]) >>> 1)) & bpc_mask;
this.decode_eatbits(a.codewordlen);
do {
var cc = this.channels[c];
var cr = cc.correlate_row;
a = golomb_decoding_8bpc(channel_g.find_bucket_8bpc(correlate_row_g.row[b.i-1]).bestcode, this.io_word);
correlate_row_g.row[b.i] = a.rc;
cur_row[pixel+rgb32_pixel_g] = ((family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+rgb32_pixel_g] + prev_row[pixel+rgb32_pixel_g]) >>> 1)) & bpc_mask);
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_b.find_bucket_8bpc(correlate_row_b.row[b.i-1]).bestcode, this.io_word);
correlate_row_b.row[b.i] = a.rc;
cur_row[pixel+rgb32_pixel_b] = ((family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+rgb32_pixel_b] + prev_row[pixel+rgb32_pixel_b]) >>> 1)) & bpc_mask);
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(cc.find_bucket_8bpc(cr.row[b.i-1]).bestcode, this.io_word);
cr.row[b.i] = a.rc;
cur_row[pixel+(2-c)] = (family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+(2-c)] + prev_row[pixel+(2-c)]) >> 1)) & bpc_mask;
this.decode_eatbits(a.codewordlen);
} while (++c < n_channels);
}
if (b.rc)
break;
channel_r.find_bucket_8bpc(correlate_row_r.row[b.stopidx - 1]).update_model_8bpc(this.rgb_state, correlate_row_r.row[b.stopidx], bpc);
channel_g.find_bucket_8bpc(correlate_row_g.row[b.stopidx - 1]).update_model_8bpc(this.rgb_state, correlate_row_g.row[b.stopidx], bpc);
channel_b.find_bucket_8bpc(correlate_row_b.row[b.stopidx - 1]).update_model_8bpc(this.rgb_state, correlate_row_b.row[b.stopidx], bpc);
c = 0;
do {
this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.row[b.stopidx - 1]).update_model_8bpc(this.rgb_state, this.channels[c].correlate_row.row[b.stopidx], bpc);
} while (++c < n_channels);
b.stopidx = b.i + (this.rgb_state.tabrand() & waitmask);
}
@ -871,20 +839,14 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row_seg = function( prev_row, cur_ro
}
cur_row[pixel+rgb32_pixel_pad] = 0;
a = golomb_decoding_8bpc(channel_r.find_bucket_8bpc(correlate_row_r.row[b.i-1]).bestcode, this.io_word);
correlate_row_r.row[b.i] = a.rc;
cur_row[pixel+rgb32_pixel_r] = (family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+rgb32_pixel_r] + prev_row[pixel+rgb32_pixel_r]) >>> 1)) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_g.find_bucket_8bpc(correlate_row_g.row[b.i-1]).bestcode, this.io_word);
correlate_row_g.row[b.i] = a.rc;
cur_row[pixel+rgb32_pixel_g] = (family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+rgb32_pixel_g] + prev_row[pixel+rgb32_pixel_g]) >>> 1)) & bpc_mask;
this.decode_eatbits(a.codewordlen);
a = golomb_decoding_8bpc(channel_b.find_bucket_8bpc(correlate_row_b.row[b.i-1]).bestcode, this.io_word);
correlate_row_b.row[b.i] = a.rc;
cur_row[pixel+rgb32_pixel_b] = (family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+rgb32_pixel_b] + prev_row[pixel+rgb32_pixel_b]) >>> 1)) & bpc_mask;
this.decode_eatbits(a.codewordlen);
c = 0;
do
{
a = golomb_decoding_8bpc(this.channels[c].find_bucket_8bpc(this.channels[c].correlate_row.row[b.i-1]).bestcode, this.io_word);
this.channels[c].correlate_row.row[b.i] = a.rc;
cur_row[pixel+(2-c)] = (family_8bpc.xlatL2U[a.rc] + ((cur_row[pixelm1+(2-c)] + prev_row[pixel+(2-c)]) >> 1)) & bpc_mask;
this.decode_eatbits(a.codewordlen);
} while (++c < n_channels);
}
if (!b.rc)