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Diffstat (limited to 'gst/rtjpeg/RTjpeg.c')
-rw-r--r--gst/rtjpeg/RTjpeg.c108
1 files changed, 54 insertions, 54 deletions
diff --git a/gst/rtjpeg/RTjpeg.c b/gst/rtjpeg/RTjpeg.c
index 38d3ce12..0f795e79 100644
--- a/gst/rtjpeg/RTjpeg.c
+++ b/gst/rtjpeg/RTjpeg.c
@@ -43,7 +43,7 @@ typedef unsigned long __u32;
typedef signed long __s32;
typedef unsigned long long __u64;
-//#define MMX_TRACE
+/*#define MMX_TRACE */
#ifdef HAVE_LIBMMX
@@ -412,7 +412,7 @@ void RTjpeg_dctY(__u8 *idata, __s16 *odata, int rskip)
register mmx_t *dataptr = (mmx_t *)odata;
mmx_t *idata2 = (mmx_t *)idata;
- // first copy the input 8 bit to the destination 16 bits
+ /* first copy the input 8 bit to the destination 16 bits */
movq_m2r(RTjpeg_zero, mm2);
@@ -505,102 +505,102 @@ void RTjpeg_dctY(__u8 *idata, __s16 *odata, int rskip)
/* Start Transpose to do calculations on rows */
- movq_m2r(*(dataptr+9), mm7); // m03:m02|m01:m00 - first line (line 4)and copy into m5
+ movq_m2r(*(dataptr+9), mm7); /* m03:m02|m01:m00 - first line (line 4)and copy into m5 */
- movq_m2r(*(dataptr+13), mm6); // m23:m22|m21:m20 - third line (line 6)and copy into m2
+ movq_m2r(*(dataptr+13), mm6); /* m23:m22|m21:m20 - third line (line 6)and copy into m2 */
movq_r2r(mm7, mm5);
- punpcklwd_m2r(*(dataptr+11), mm7); // m11:m01|m10:m00 - interleave first and second lines
+ punpcklwd_m2r(*(dataptr+11), mm7); /* m11:m01|m10:m00 - interleave first and second lines */
movq_r2r(mm6, mm2);
- punpcklwd_m2r(*(dataptr+15), mm6); // m31:m21|m30:m20 - interleave third and fourth lines
+ punpcklwd_m2r(*(dataptr+15), mm6); /* m31:m21|m30:m20 - interleave third and fourth lines */
movq_r2r(mm7, mm1);
- movq_m2r(*(dataptr+11), mm3); // m13:m13|m11:m10 - second line
- punpckldq_r2r(mm6, mm7); // m30:m20|m10:m00 - interleave to produce result 1
+ movq_m2r(*(dataptr+11), mm3); /* m13:m13|m11:m10 - second line */
+ punpckldq_r2r(mm6, mm7); /* m30:m20|m10:m00 - interleave to produce result 1 */
- movq_m2r(*(dataptr+15), mm0); // m13:m13|m11:m10 - fourth line
- punpckhdq_r2r(mm6, mm1); // m31:m21|m11:m01 - interleave to produce result 2
+ movq_m2r(*(dataptr+15), mm0); /* m13:m13|m11:m10 - fourth line */
+ punpckhdq_r2r(mm6, mm1); /* m31:m21|m11:m01 - interleave to produce result 2 */
- movq_r2m(mm7,*(dataptr+9)); // write result 1
- punpckhwd_r2r(mm3, mm5); // m13:m03|m12:m02 - interleave first and second lines
+ movq_r2m(mm7,*(dataptr+9)); /* write result 1 */
+ punpckhwd_r2r(mm3, mm5); /* m13:m03|m12:m02 - interleave first and second lines */
- movq_r2m(mm1,*(dataptr+11)); // write result 2
- punpckhwd_r2r(mm0, mm2); // m33:m23|m32:m22 - interleave third and fourth lines
+ movq_r2m(mm1,*(dataptr+11)); /* write result 2 */
+ punpckhwd_r2r(mm0, mm2); /* m33:m23|m32:m22 - interleave third and fourth lines */
movq_r2r(mm5, mm1);
- punpckldq_r2r(mm2, mm5); // m32:m22|m12:m02 - interleave to produce result 3
+ punpckldq_r2r(mm2, mm5); /* m32:m22|m12:m02 - interleave to produce result 3 */
- movq_m2r(*(dataptr+1), mm0); // m03:m02|m01:m00 - first line, 4x4
- punpckhdq_r2r(mm2, mm1); // m33:m23|m13:m03 - interleave to produce result 4
+ movq_m2r(*(dataptr+1), mm0); /* m03:m02|m01:m00 - first line, 4x4 */
+ punpckhdq_r2r(mm2, mm1); /* m33:m23|m13:m03 - interleave to produce result 4 */
- movq_r2m(mm5,*(dataptr+13)); // write result 3
+ movq_r2m(mm5,*(dataptr+13)); /* write result 3 */
- // last 4x4 done
+ /* last 4x4 done */
- movq_r2m(mm1, *(dataptr+15)); // write result 4, last 4x4
+ movq_r2m(mm1, *(dataptr+15)); /* write result 4, last 4x4 */
- movq_m2r(*(dataptr+5), mm2); // m23:m22|m21:m20 - third line
+ movq_m2r(*(dataptr+5), mm2); /* m23:m22|m21:m20 - third line */
movq_r2r(mm0, mm6);
- punpcklwd_m2r(*(dataptr+3), mm0); // m11:m01|m10:m00 - interleave first and second lines
+ punpcklwd_m2r(*(dataptr+3), mm0); /* m11:m01|m10:m00 - interleave first and second lines */
movq_r2r(mm2, mm7);
- punpcklwd_m2r(*(dataptr+7), mm2); // m31:m21|m30:m20 - interleave third and fourth lines
+ punpcklwd_m2r(*(dataptr+7), mm2); /* m31:m21|m30:m20 - interleave third and fourth lines */
movq_r2r(mm0, mm4);
- //
- movq_m2r(*(dataptr+8), mm1); // n03:n02|n01:n00 - first line
- punpckldq_r2r(mm2, mm0); // m30:m20|m10:m00 - interleave to produce first result
+
+ movq_m2r(*(dataptr+8), mm1); /* n03:n02|n01:n00 - first line */
+ punpckldq_r2r(mm2, mm0); /* m30:m20|m10:m00 - interleave to produce first result */
- movq_m2r(*(dataptr+12), mm3); // n23:n22|n21:n20 - third line
- punpckhdq_r2r(mm2, mm4); // m31:m21|m11:m01 - interleave to produce second result
+ movq_m2r(*(dataptr+12), mm3); /* n23:n22|n21:n20 - third line */
+ punpckhdq_r2r(mm2, mm4); /* m31:m21|m11:m01 - interleave to produce second result */
- punpckhwd_m2r(*(dataptr+3), mm6); // m13:m03|m12:m02 - interleave first and second lines
- movq_r2r(mm1, mm2); // copy first line
+ punpckhwd_m2r(*(dataptr+3), mm6); /* m13:m03|m12:m02 - interleave first and second lines */
+ movq_r2r(mm1, mm2); /* copy first line */
- punpckhwd_m2r(*(dataptr+7), mm7); // m33:m23|m32:m22 - interleave third and fourth lines
- movq_r2r(mm6, mm5); // copy first intermediate result
+ punpckhwd_m2r(*(dataptr+7), mm7); /* m33:m23|m32:m22 - interleave third and fourth lines */
+ movq_r2r(mm6, mm5); /* copy first intermediate result */
- movq_r2m(mm0, *(dataptr+8)); // write result 1
- punpckhdq_r2r(mm7, mm5); // m33:m23|m13:m03 - produce third result
+ movq_r2m(mm0, *(dataptr+8)); /* write result 1 */
+ punpckhdq_r2r(mm7, mm5); /* m33:m23|m13:m03 - produce third result */
- punpcklwd_m2r(*(dataptr+10), mm1); // n11:n01|n10:n00 - interleave first and second lines
- movq_r2r(mm3, mm0); // copy third line
+ punpcklwd_m2r(*(dataptr+10), mm1); /* n11:n01|n10:n00 - interleave first and second lines */
+ movq_r2r(mm3, mm0); /* copy third line */
- punpckhwd_m2r(*(dataptr+10), mm2); // n13:n03|n12:n02 - interleave first and second lines
+ punpckhwd_m2r(*(dataptr+10), mm2); /* n13:n03|n12:n02 - interleave first and second lines */
- movq_r2m(mm4, *(dataptr+10)); // write result 2 out
- punpckldq_r2r(mm7, mm6); // m32:m22|m12:m02 - produce fourth result
+ movq_r2m(mm4, *(dataptr+10)); /* write result 2 out */
+ punpckldq_r2r(mm7, mm6); /* m32:m22|m12:m02 - produce fourth result */
- punpcklwd_m2r(*(dataptr+14), mm3); // n31:n21|n30:n20 - interleave third and fourth lines
+ punpcklwd_m2r(*(dataptr+14), mm3); /* n31:n21|n30:n20 - interleave third and fourth lines */
movq_r2r(mm1, mm4);
- movq_r2m(mm6, *(dataptr+12)); // write result 3 out
- punpckldq_r2r(mm3, mm1); // n30:n20|n10:n00 - produce first result
+ movq_r2m(mm6, *(dataptr+12)); /* write result 3 out */
+ punpckldq_r2r(mm3, mm1); /* n30:n20|n10:n00 - produce first result */
- punpckhwd_m2r(*(dataptr+14), mm0); // n33:n23|n32:n22 - interleave third and fourth lines
+ punpckhwd_m2r(*(dataptr+14), mm0); /* n33:n23|n32:n22 - interleave third and fourth lines */
movq_r2r(mm2, mm6);
- movq_r2m(mm5, *(dataptr+14)); // write result 4 out
- punpckhdq_r2r(mm3, mm4); // n31:n21|n11:n01- produce second result
+ movq_r2m(mm5, *(dataptr+14)); /* write result 4 out */
+ punpckhdq_r2r(mm3, mm4); /* n31:n21|n11:n01- produce second result */
- movq_r2m(mm1, *(dataptr+1)); // write result 5 out - (first result for other 4 x 4 block)
- punpckldq_r2r(mm0, mm2); // n32:n22|n12:n02- produce third result
+ movq_r2m(mm1, *(dataptr+1)); /* write result 5 out - (first result for other 4 x 4 block) */
+ punpckldq_r2r(mm0, mm2); /* n32:n22|n12:n02- produce third result */
- movq_r2m(mm4, *(dataptr+3)); // write result 6 out
- punpckhdq_r2r(mm0, mm6); // n33:n23|n13:n03 - produce fourth result
+ movq_r2m(mm4, *(dataptr+3)); /* write result 6 out */
+ punpckhdq_r2r(mm0, mm6); /* n33:n23|n13:n03 - produce fourth result */
- movq_r2m(mm2, *(dataptr+5)); // write result 7 out
+ movq_r2m(mm2, *(dataptr+5)); /* write result 7 out*/
- movq_m2r(*dataptr, mm0); // m03:m02|m01:m00 - first line, first 4x4
+ movq_m2r(*dataptr, mm0); /* m03:m02|m01:m00 - first line, first 4x4 */
- movq_r2m(mm6, *(dataptr+7)); // write result 8 out
+ movq_r2m(mm6, *(dataptr+7)); /* write result 8 out */
-// Do first 4x4 quadrant, which is used in the beginning of the DCT:
+/* Do first 4x4 quadrant, which is used in the beginning of the DCT: */
- movq_m2r(*(dataptr+4), mm7); // m23:m22|m21:m20 - third line
+ movq_m2r(*(dataptr+4), mm7); /* m23:m22|m21:m20 - third line */
movq_r2r(mm0, mm2);
punpcklwd_m2r(*(dataptr+2), mm0); // m11:m01|m10:m00 - interleave first and second lines
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-28 16:44:51 +0000