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mpv/libmpeg2/libmpeg2_changes.diff

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--- libmpeg2/cpu_accel.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/cpu_accel.c 2006-06-16 20:12:50.000000000 +0200
@@ -29,9 +33,13 @@
#include "attributes.h"
#include "mpeg2_internal.h"
+#include "cpudetect.h"
+
#if defined(ARCH_X86) || defined(ARCH_X86_64)
static inline uint32_t arch_accel (uint32_t accel)
{
+/* Use MPlayer CPU detection instead of libmpeg2 variant. */
+#if 0
if (accel & (MPEG2_ACCEL_X86_3DNOW | MPEG2_ACCEL_X86_MMXEXT))
accel |= MPEG2_ACCEL_X86_MMX;
@@ -124,6 +132,21 @@
#endif /* ACCEL_DETECT */
return accel;
+
+#else /* 0 */
+ accel = 0;
+ if (gCpuCaps.hasMMX)
+ accel |= MPEG2_ACCEL_X86_MMX;
+ if (gCpuCaps.hasSSE2)
+ accel |= MPEG2_ACCEL_X86_SSE2;
+ if (gCpuCaps.hasMMX2)
+ accel |= MPEG2_ACCEL_X86_MMXEXT;
+ if (gCpuCaps.has3DNow)
+ accel |= MPEG2_ACCEL_X86_3DNOW;
+
+ return accel;
+
+#endif /* 0 */
}
#endif /* ARCH_X86 || ARCH_X86_64 */
--- libmpeg2/decode.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/decode.c 2006-06-16 20:12:50.000000000 +0200
@@ -345,6 +349,15 @@
fbuf->buf[1] = buf[1];
fbuf->buf[2] = buf[2];
fbuf->id = id;
+ // HACK! FIXME! At first I frame, copy pointers to prediction frame too!
+ if (mpeg2dec->custom_fbuf && !mpeg2dec->fbuf[1]->buf[0]){
+ mpeg2dec->fbuf[1]->buf[0]=buf[0];
+ mpeg2dec->fbuf[1]->buf[1]=buf[1];
+ mpeg2dec->fbuf[1]->buf[2]=buf[2];
+ mpeg2dec->fbuf[1]->id=NULL;
+ }
+// printf("libmpeg2: FBUF 0:%p 1:%p 2:%p\n",
+// mpeg2dec->fbuf[0]->buf[0],mpeg2dec->fbuf[1]->buf[0],mpeg2dec->fbuf[2]->buf[0]);
}
void mpeg2_custom_fbuf (mpeg2dec_t * mpeg2dec, int custom_fbuf)
--- libmpeg2/header.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/header.c 2006-06-16 20:12:50.000000000 +0200
@@ -100,6 +104,9 @@
mpeg2dec->decoder.convert = NULL;
mpeg2dec->decoder.convert_id = NULL;
mpeg2dec->picture = mpeg2dec->pictures;
+ memset(&mpeg2dec->fbuf_alloc[0].fbuf, 0, sizeof(mpeg2_fbuf_t));
+ memset(&mpeg2dec->fbuf_alloc[1].fbuf, 0, sizeof(mpeg2_fbuf_t));
+ memset(&mpeg2dec->fbuf_alloc[2].fbuf, 0, sizeof(mpeg2_fbuf_t));
mpeg2dec->fbuf[0] = &mpeg2dec->fbuf_alloc[0].fbuf;
mpeg2dec->fbuf[1] = &mpeg2dec->fbuf_alloc[1].fbuf;
mpeg2dec->fbuf[2] = &mpeg2dec->fbuf_alloc[2].fbuf;
@@ -872,6 +879,7 @@
mpeg2dec->scaled[idx] = decoder->q_scale_type;
for (i = 0; i < 32; i++) {
k = decoder->q_scale_type ? non_linear_scale[i] : (i << 1);
+ decoder->quantizer_scales[i] = k;
for (j = 0; j < 64; j++)
decoder->quantizer_prescale[idx][i][j] =
k * mpeg2dec->quantizer_matrix[idx][j];
--- libmpeg2/idct.c (revision 26652)
+++ libmpeg2/idct.c (working copy)
@@ -235,34 +239,40 @@
void mpeg2_idct_init (uint32_t accel)
{
-#ifdef ARCH_X86
+#ifdef HAVE_SSE2
if (accel & MPEG2_ACCEL_X86_SSE2) {
mpeg2_idct_copy = mpeg2_idct_copy_sse2;
mpeg2_idct_add = mpeg2_idct_add_sse2;
mpeg2_idct_mmx_init ();
- } else if (accel & MPEG2_ACCEL_X86_MMXEXT) {
+ } else
+#elif HAVE_MMX2
+ if (accel & MPEG2_ACCEL_X86_MMXEXT) {
mpeg2_idct_copy = mpeg2_idct_copy_mmxext;
mpeg2_idct_add = mpeg2_idct_add_mmxext;
mpeg2_idct_mmx_init ();
- } else if (accel & MPEG2_ACCEL_X86_MMX) {
+ } else
+#elif HAVE_MMX
+ if (accel & MPEG2_ACCEL_X86_MMX) {
mpeg2_idct_copy = mpeg2_idct_copy_mmx;
mpeg2_idct_add = mpeg2_idct_add_mmx;
mpeg2_idct_mmx_init ();
} else
#endif
-#ifdef ARCH_PPC
+#ifdef HAVE_ALTIVEC
if (accel & MPEG2_ACCEL_PPC_ALTIVEC) {
mpeg2_idct_copy = mpeg2_idct_copy_altivec;
mpeg2_idct_add = mpeg2_idct_add_altivec;
mpeg2_idct_altivec_init ();
} else
#endif
-#ifdef ARCH_ALPHA
+#ifdef HAVE_MVI
if (accel & MPEG2_ACCEL_ALPHA_MVI) {
mpeg2_idct_copy = mpeg2_idct_copy_mvi;
mpeg2_idct_add = mpeg2_idct_add_mvi;
mpeg2_idct_alpha_init ();
- } else if (accel & MPEG2_ACCEL_ALPHA) {
+ } else
+#elif ARCH_ALPHA
+ if (accel & MPEG2_ACCEL_ALPHA) {
int i;
mpeg2_idct_copy = mpeg2_idct_copy_alpha;
--- libmpeg2/motion_comp.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/motion_comp.c 2006-06-16 20:12:50.000000000 +0200
@@ -33,16 +37,22 @@
void mpeg2_mc_init (uint32_t accel)
{
-#ifdef ARCH_X86
+#ifdef HAVE_MMX2
if (accel & MPEG2_ACCEL_X86_MMXEXT)
mpeg2_mc = mpeg2_mc_mmxext;
- else if (accel & MPEG2_ACCEL_X86_3DNOW)
+ else
+#endif
+#ifdef HAVE_3DNOW
+ if (accel & MPEG2_ACCEL_X86_3DNOW)
mpeg2_mc = mpeg2_mc_3dnow;
- else if (accel & MPEG2_ACCEL_X86_MMX)
+ else
+#endif
+#ifdef HAVE_MMX
+ if (accel & MPEG2_ACCEL_X86_MMX)
mpeg2_mc = mpeg2_mc_mmx;
else
#endif
-#ifdef ARCH_PPC
+#ifdef HAVE_ALTIVEC
if (accel & MPEG2_ACCEL_PPC_ALTIVEC)
mpeg2_mc = mpeg2_mc_altivec;
else
@@ -52,15 +62,15 @@
mpeg2_mc = mpeg2_mc_alpha;
else
#endif
-#ifdef ARCH_SPARC
+#ifdef HAVE_VIS
if (accel & MPEG2_ACCEL_SPARC_VIS)
mpeg2_mc = mpeg2_mc_vis;
else
#endif
#ifdef ARCH_ARM
- if (accel & MPEG2_ACCEL_ARM) {
+ if (accel & MPEG2_ACCEL_ARM)
mpeg2_mc = mpeg2_mc_arm;
- } else
+ else
#endif
mpeg2_mc = mpeg2_mc_c;
}
--- libmpeg2/mpeg2_internal.h 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/mpeg2_internal.h 2006-06-16 20:12:50.000000000 +0200
@@ -152,6 +156,11 @@
/* XXX: stuff due to xine shit */
int8_t q_scale_type;
+
+ int quantizer_scales[32];
+ int quantizer_scale;
+ char* quant_store;
+ int quant_stride;
};
typedef struct {
@@ -223,6 +232,9 @@
//int8_t q_scale_type, scaled[4];
uint8_t quantizer_matrix[4][64];
uint8_t new_quantizer_matrix[4][64];
+
+ unsigned char *pending_buffer;
+ int pending_length;
};
typedef struct {
--- libmpeg2/slice.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/slice.c 2006-06-16 20:12:50.000000000 +0200
@@ -142,6 +146,7 @@
quantizer_scale_code = UBITS (bit_buf, 5);
DUMPBITS (bit_buf, bits, 5);
+ decoder->quantizer_scale = decoder->quantizer_scales[quantizer_scale_code];
decoder->quantizer_matrix[0] =
decoder->quantizer_prescale[0][quantizer_scale_code];
@@ -1564,6 +1569,24 @@
#define NEXT_MACROBLOCK \
do { \
+ if(decoder->quant_store) { \
+ if (decoder->picture_structure == TOP_FIELD) \
+ decoder->quant_store[2 * decoder->quant_stride \
+ * (decoder->v_offset >> 4) \
+ + (decoder->offset >> 4)] \
+ = decoder->quantizer_scale; \
+ else if (decoder->picture_structure == BOTTOM_FIELD) \
+ decoder->quant_store[2 * decoder->quant_stride \
+ * (decoder->v_offset >> 4) \
+ + decoder->quant_stride \
+ + (decoder->offset >> 4)] \
+ = decoder->quantizer_scale; \
+ else \
+ decoder->quant_store[decoder->quant_stride \
+ * (decoder->v_offset >> 4) \
+ + (decoder->offset >> 4)] \
+ = decoder->quantizer_scale; \
+ } \
decoder->offset += 16; \
if (decoder->offset == decoder->width) { \
do { /* just so we can use the break statement */ \
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