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authorMichael Niedermayer <michaelni@gmx.at>2013-07-05 11:41:30 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-07-05 11:41:30 +0200
commitcced6f4d58168096f13a4d34555754717979429d (patch)
treec2febbecb61ae395f7281e7131735c1effc1c4ff /libavcodec
parent0f85c96091e9e2c1ab0b939cd966c7c7220dadb0 (diff)
parente6d8acf6a8fba4743eb56eabe72a741d1bbee3cb (diff)
downloadffmpeg-cced6f4d58168096f13a4d34555754717979429d.tar.gz
Merge commit 'e6d8acf6a8fba4743eb56eabe72a741d1bbee3cb'
* commit 'e6d8acf6a8fba4743eb56eabe72a741d1bbee3cb': indeo: use a typedef for the mc function pointer cabac: x86 version of get_cabac_bypass aic: use chroma scan tables while decoding luma component in progressive mode Conflicts: libavcodec/aic.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/aic.c9
-rw-r--r--libavcodec/cabac_functions.h3
-rw-r--r--libavcodec/ivi_common.c9
-rw-r--r--libavcodec/x86/cabac.h40
4 files changed, 52 insertions, 9 deletions
diff --git a/libavcodec/aic.c b/libavcodec/aic.c
index 5a7d6c74b1..70e9f3f103 100644
--- a/libavcodec/aic.c
+++ b/libavcodec/aic.c
@@ -196,11 +196,11 @@ static int aic_decode_header(AICContext *ctx, const uint8_t *src, int size)
} while (0)
static int aic_decode_coeffs(GetBitContext *gb, int16_t *dst,
- int band, int slice_width)
+ int band, int slice_width, int force_chroma)
{
int has_skips, coeff_type, coeff_bits, skip_type, skip_bits;
const int num_coeffs = aic_num_band_coeffs[band];
- const uint8_t *scan = aic_scan[band];
+ const uint8_t *scan = aic_scan[band | force_chroma];
int mb, idx;
unsigned val;
@@ -322,7 +322,8 @@ static int aic_decode_slice(AICContext *ctx, int mb_x, int mb_y,
sizeof(*ctx->slice_data) * slice_width * AIC_BAND_COEFFS);
for (i = 0; i < NUM_BANDS; i++)
if ((ret = aic_decode_coeffs(&gb, ctx->data_ptr[i],
- i, slice_width)) < 0)
+ i, slice_width,
+ !ctx->interlaced)) < 0)
return ret;
for (mb = 0; mb < slice_width; mb++) {
@@ -337,7 +338,7 @@ static int aic_decode_slice(AICContext *ctx, int mb_x, int mb_y,
ctx->dsp.idct(ctx->block);
if (!ctx->interlaced) {
- dst = Y + (blk & 1) * 8 * ystride + (blk >> 1) * 8;
+ dst = Y + (blk >> 1) * 8 * ystride + (blk & 1) * 8;
ctx->dsp.put_signed_pixels_clamped(ctx->block, dst,
ystride);
} else {
diff --git a/libavcodec/cabac_functions.h b/libavcodec/cabac_functions.h
index ee70fcf985..8a7275d9de 100644
--- a/libavcodec/cabac_functions.h
+++ b/libavcodec/cabac_functions.h
@@ -111,6 +111,7 @@ static int av_unused get_cabac(CABACContext *c, uint8_t * const state){
return get_cabac_inline(c,state);
}
+#ifndef get_cabac_bypass
static int av_unused get_cabac_bypass(CABACContext *c){
int range;
c->low += c->low;
@@ -126,7 +127,7 @@ static int av_unused get_cabac_bypass(CABACContext *c){
return 1;
}
}
-
+#endif
#ifndef get_cabac_bypass_sign
static av_always_inline int get_cabac_bypass_sign(CABACContext *c, int val){
diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index 0084e1af9c..32da5c651e 100644
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -41,6 +41,9 @@ extern const IVIHuffDesc ff_ivi_blk_huff_desc[8]; ///< static block huffman tabl
static VLC ivi_mb_vlc_tabs [8]; ///< static macroblock Huffman tables
static VLC ivi_blk_vlc_tabs[8]; ///< static block Huffman tables
+typedef void (*ivi_mc_func) (int16_t *buf, const int16_t *ref_buf,
+ uint32_t pitch, int mc_type);
+
/**
* Reverse "nbits" bits of the value "val" and return the result
* in the least significant bits.
@@ -401,8 +404,7 @@ static int ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile
uint32_t cbp, av_uninit(sym), lo, hi, quant, buf_offs, q;
IVIMbInfo *mb;
RVMapDesc *rvmap = band->rv_map;
- void (*mc_with_delta_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
- void (*mc_no_delta_func) (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
+ ivi_mc_func mc_with_delta_func, mc_no_delta_func;
const uint16_t *base_tab;
const uint8_t *scale_tab;
@@ -576,8 +578,7 @@ static int ivi_process_empty_tile(AVCodecContext *avctx, IVIBandDesc *band,
IVIMbInfo *mb, *ref_mb;
const int16_t *src;
int16_t *dst;
- void (*mc_no_delta_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch,
- int mc_type);
+ ivi_mc_func mc_no_delta_func;
if (tile->num_MBs != IVI_MBs_PER_TILE(tile->width, tile->height, band->mb_size)) {
av_log(avctx, AV_LOG_ERROR, "Allocated tile size %d mismatches "
diff --git a/libavcodec/x86/cabac.h b/libavcodec/x86/cabac.h
index 2c9f77e3ff..1b7bcee7e8 100644
--- a/libavcodec/x86/cabac.h
+++ b/libavcodec/x86/cabac.h
@@ -225,5 +225,45 @@ static av_always_inline int get_cabac_bypass_sign_x86(CABACContext *c, int val)
return val;
}
+#define get_cabac_bypass get_cabac_bypass_x86
+static av_always_inline int get_cabac_bypass_x86(CABACContext *c)
+{
+ x86_reg tmp;
+ int res;
+ __asm__ volatile(
+ "movl %c6(%2), %k1 \n\t"
+ "movl %c3(%2), %%eax \n\t"
+ "shl $17, %k1 \n\t"
+ "add %%eax, %%eax \n\t"
+ "sub %k1, %%eax \n\t"
+ "cltd \n\t"
+ "and %%edx, %k1 \n\t"
+ "add %k1, %%eax \n\t"
+ "inc %%edx \n\t"
+ "test %%ax, %%ax \n\t"
+ "jnz 1f \n\t"
+ "mov %c4(%2), %1 \n\t"
+ "subl $0xFFFF, %%eax \n\t"
+ "movzwl (%1), %%ecx \n\t"
+ "bswap %%ecx \n\t"
+ "shrl $15, %%ecx \n\t"
+ "addl %%ecx, %%eax \n\t"
+ "cmp %c5(%2), %1 \n\t"
+ "jge 1f \n\t"
+ "add"OPSIZE" $2, %c4(%2) \n\t"
+ "1: \n\t"
+ "movl %%eax, %c3(%2) \n\t"
+
+ : "=&d"(res), "=&r"(tmp)
+ : "r"(c),
+ "i"(offsetof(CABACContext, low)),
+ "i"(offsetof(CABACContext, bytestream)),
+ "i"(offsetof(CABACContext, bytestream_end)),
+ "i"(offsetof(CABACContext, range))
+ : "%eax", "%ecx", "memory"
+ );
+ return res;
+}
+
#endif /* HAVE_INLINE_ASM */
#endif /* AVCODEC_X86_CABAC_H */