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Diffstat (limited to 'contrib/ffmpeg/libavcodec/armv4l/dsputil_arm.c')
-rw-r--r--contrib/ffmpeg/libavcodec/armv4l/dsputil_arm.c262
1 files changed, 262 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/armv4l/dsputil_arm.c b/contrib/ffmpeg/libavcodec/armv4l/dsputil_arm.c
new file mode 100644
index 000000000..9f0bfa2af
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/armv4l/dsputil_arm.c
@@ -0,0 +1,262 @@
+/*
+ * ARMv4L optimized DSP utils
+ * Copyright (c) 2001 Lionel Ulmer.
+ *
+ * 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 "../dsputil.h"
+#ifdef HAVE_IPP
+#include "ipp.h"
+#endif
+
+extern void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
+
+extern void j_rev_dct_ARM(DCTELEM *data);
+extern void simple_idct_ARM(DCTELEM *data);
+
+extern void simple_idct_armv5te(DCTELEM *data);
+extern void simple_idct_put_armv5te(uint8_t *dest, int line_size,
+ DCTELEM *data);
+extern void simple_idct_add_armv5te(uint8_t *dest, int line_size,
+ DCTELEM *data);
+
+/* XXX: local hack */
+static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
+static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
+
+void put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+void put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+void put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+void put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+
+void put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+void put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+
+void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+
+CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)
+CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)
+CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)
+CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)
+CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)
+CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)
+
+static void add_pixels_clamped_ARM(short *block, unsigned char *dest, int line_size)
+{
+ asm volatile (
+ "mov r10, #8 \n\t"
+
+ "1: \n\t"
+
+ /* load dest */
+ "ldr r4, [%1] \n\t"
+ /* block[0] and block[1]*/
+ "ldrsh r5, [%0] \n\t"
+ "ldrsh r7, [%0, #2] \n\t"
+ "and r6, r4, #0xFF \n\t"
+ "and r8, r4, #0xFF00 \n\t"
+ "add r6, r5, r6 \n\t"
+ "add r8, r7, r8, lsr #8 \n\t"
+ "mvn r5, r5 \n\t"
+ "mvn r7, r7 \n\t"
+ "tst r6, #0x100 \n\t"
+ "movne r6, r5, lsr #24 \n\t"
+ "tst r8, #0x100 \n\t"
+ "movne r8, r7, lsr #24 \n\t"
+ "mov r9, r6 \n\t"
+ "ldrsh r5, [%0, #4] \n\t" /* moved form [A] */
+ "orr r9, r9, r8, lsl #8 \n\t"
+ /* block[2] and block[3] */
+ /* [A] */
+ "ldrsh r7, [%0, #6] \n\t"
+ "and r6, r4, #0xFF0000 \n\t"
+ "and r8, r4, #0xFF000000 \n\t"
+ "add r6, r5, r6, lsr #16 \n\t"
+ "add r8, r7, r8, lsr #24 \n\t"
+ "mvn r5, r5 \n\t"
+ "mvn r7, r7 \n\t"
+ "tst r6, #0x100 \n\t"
+ "movne r6, r5, lsr #24 \n\t"
+ "tst r8, #0x100 \n\t"
+ "movne r8, r7, lsr #24 \n\t"
+ "orr r9, r9, r6, lsl #16 \n\t"
+ "ldr r4, [%1, #4] \n\t" /* moved form [B] */
+ "orr r9, r9, r8, lsl #24 \n\t"
+ /* store dest */
+ "ldrsh r5, [%0, #8] \n\t" /* moved form [C] */
+ "str r9, [%1] \n\t"
+
+ /* load dest */
+ /* [B] */
+ /* block[4] and block[5] */
+ /* [C] */
+ "ldrsh r7, [%0, #10] \n\t"
+ "and r6, r4, #0xFF \n\t"
+ "and r8, r4, #0xFF00 \n\t"
+ "add r6, r5, r6 \n\t"
+ "add r8, r7, r8, lsr #8 \n\t"
+ "mvn r5, r5 \n\t"
+ "mvn r7, r7 \n\t"
+ "tst r6, #0x100 \n\t"
+ "movne r6, r5, lsr #24 \n\t"
+ "tst r8, #0x100 \n\t"
+ "movne r8, r7, lsr #24 \n\t"
+ "mov r9, r6 \n\t"
+ "ldrsh r5, [%0, #12] \n\t" /* moved from [D] */
+ "orr r9, r9, r8, lsl #8 \n\t"
+ /* block[6] and block[7] */
+ /* [D] */
+ "ldrsh r7, [%0, #14] \n\t"
+ "and r6, r4, #0xFF0000 \n\t"
+ "and r8, r4, #0xFF000000 \n\t"
+ "add r6, r5, r6, lsr #16 \n\t"
+ "add r8, r7, r8, lsr #24 \n\t"
+ "mvn r5, r5 \n\t"
+ "mvn r7, r7 \n\t"
+ "tst r6, #0x100 \n\t"
+ "movne r6, r5, lsr #24 \n\t"
+ "tst r8, #0x100 \n\t"
+ "movne r8, r7, lsr #24 \n\t"
+ "orr r9, r9, r6, lsl #16 \n\t"
+ "add %0, %0, #16 \n\t" /* moved from [E] */
+ "orr r9, r9, r8, lsl #24 \n\t"
+ "subs r10, r10, #1 \n\t" /* moved from [F] */
+ /* store dest */
+ "str r9, [%1, #4] \n\t"
+
+ /* [E] */
+ /* [F] */
+ "add %1, %1, %2 \n\t"
+ "bne 1b \n\t"
+ : "+r"(block),
+ "+r"(dest)
+ : "r"(line_size)
+ : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "cc", "memory" );
+}
+
+/* XXX: those functions should be suppressed ASAP when all IDCTs are
+ converted */
+static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
+{
+ j_rev_dct_ARM (block);
+ ff_put_pixels_clamped(block, dest, line_size);
+}
+static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
+{
+ j_rev_dct_ARM (block);
+ ff_add_pixels_clamped(block, dest, line_size);
+}
+static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
+{
+ simple_idct_ARM (block);
+ ff_put_pixels_clamped(block, dest, line_size);
+}
+static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
+{
+ simple_idct_ARM (block);
+ ff_add_pixels_clamped(block, dest, line_size);
+}
+
+#ifdef HAVE_IPP
+static void simple_idct_ipp(DCTELEM *block)
+{
+ ippiDCT8x8Inv_Video_16s_C1I(block);
+}
+static void simple_idct_ipp_put(uint8_t *dest, int line_size, DCTELEM *block)
+{
+ ippiDCT8x8Inv_Video_16s8u_C1R(block, dest, line_size);
+}
+
+void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size);
+
+static void simple_idct_ipp_add(uint8_t *dest, int line_size, DCTELEM *block)
+{
+ ippiDCT8x8Inv_Video_16s_C1I(block);
+#ifdef HAVE_IWMMXT
+ add_pixels_clamped_iwmmxt(block, dest, line_size);
+#else
+ add_pixels_clamped_ARM(block, dest, line_size);
+#endif
+}
+#endif
+
+void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx)
+{
+ int idct_algo= avctx->idct_algo;
+
+ ff_put_pixels_clamped = c->put_pixels_clamped;
+ ff_add_pixels_clamped = c->add_pixels_clamped;
+
+ if(idct_algo == FF_IDCT_AUTO){
+#if defined(HAVE_IPP)
+ idct_algo = FF_IDCT_IPP;
+#elif defined(HAVE_ARMV5TE)
+ idct_algo = FF_IDCT_SIMPLEARMV5TE;
+#else
+ idct_algo = FF_IDCT_ARM;
+#endif
+ }
+
+ if(idct_algo==FF_IDCT_ARM){
+ c->idct_put= j_rev_dct_ARM_put;
+ c->idct_add= j_rev_dct_ARM_add;
+ c->idct = j_rev_dct_ARM;
+ c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */
+ } else if (idct_algo==FF_IDCT_SIMPLEARM){
+ c->idct_put= simple_idct_ARM_put;
+ c->idct_add= simple_idct_ARM_add;
+ c->idct = simple_idct_ARM;
+ c->idct_permutation_type= FF_NO_IDCT_PERM;
+#ifdef HAVE_ARMV5TE
+ } else if (idct_algo==FF_IDCT_SIMPLEARMV5TE){
+ c->idct_put= simple_idct_put_armv5te;
+ c->idct_add= simple_idct_add_armv5te;
+ c->idct = simple_idct_armv5te;
+ c->idct_permutation_type = FF_NO_IDCT_PERM;
+#endif
+#ifdef HAVE_IPP
+ } else if (idct_algo==FF_IDCT_IPP){
+ c->idct_put= simple_idct_ipp_put;
+ c->idct_add= simple_idct_ipp_add;
+ c->idct = simple_idct_ipp;
+ c->idct_permutation_type= FF_NO_IDCT_PERM;
+#endif
+ }
+
+/* c->put_pixels_tab[0][0] = put_pixels16_arm; */ // NG!
+ c->put_pixels_tab[0][1] = put_pixels16_x2_arm; //OK!
+ c->put_pixels_tab[0][2] = put_pixels16_y2_arm; //OK!
+/* c->put_pixels_tab[0][3] = put_pixels16_xy2_arm; /\* NG *\/ */
+/* c->put_no_rnd_pixels_tab[0][0] = put_pixels16_arm; */
+ c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_arm; // OK
+ c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_arm; //OK
+/* c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_arm; //NG */
+ c->put_pixels_tab[1][0] = put_pixels8_arm; //OK
+ c->put_pixels_tab[1][1] = put_pixels8_x2_arm; //OK
+/* c->put_pixels_tab[1][2] = put_pixels8_y2_arm; //NG */
+/* c->put_pixels_tab[1][3] = put_pixels8_xy2_arm; //NG */
+ c->put_no_rnd_pixels_tab[1][0] = put_pixels8_arm;//OK
+ c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_arm; //OK
+ c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm; //OK
+/* c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;//NG */
+
+#ifdef HAVE_IWMMXT
+ dsputil_init_iwmmxt(c, avctx);
+#endif
+}
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