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Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  pcm-mpeg: convert to bytestream2 API
  Revert "h264: clear trailing bits in partially parsed NAL units"
  remove iwmmxt optimizations
  mimic: do not continue if swap_buf_size is 0
  mimic: convert to bytestream2 API
  frwu: use MKTAG to check marker instead of AV_RL32
  txd: port to bytestream2 API
  c93: convert to bytestream2 API
  iff: make .long_name more descriptive
  FATE: add test for cdxl demuxer
  rtsp: Fix a typo

Conflicts:
	libavcodec/arm/dsputil_iwmmxt.c
	libavcodec/arm/dsputil_iwmmxt_rnd_template.c
	libavcodec/arm/mpegvideo_iwmmxt.c
	libavcodec/c93.c
	libavcodec/txd.c
	libavutil/arm/cpu.c
	tests/fate/demux.mak

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-13 01:56:33 +01:00
commit b25a265a5c
22 changed files with 142 additions and 1623 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
configure vendored
View File

@ -251,7 +251,6 @@ Advanced options (experts only):
--disable-armv6 disable armv6 optimizations
--disable-armv6t2 disable armv6t2 optimizations
--disable-armvfp disable ARM VFP optimizations
--disable-iwmmxt disable iwmmxt optimizations
--disable-mmi disable MMI optimizations
--disable-neon disable NEON optimizations
--disable-vis disable VIS optimizations
@ -1132,7 +1131,6 @@ ARCH_EXT_LIST='
armv6t2
armvfp
avx
iwmmxt
mmi
mmx
mmx2
@ -1344,7 +1342,6 @@ armv5te_deps="arm"
armv6_deps="arm"
armv6t2_deps="arm"
armvfp_deps="arm"
iwmmxt_deps="arm"
neon_deps="arm"
vfpv3_deps="armvfp"
@ -2884,7 +2881,6 @@ EOF
enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
@ -3489,7 +3485,6 @@ if enabled arm; then
echo "ARMv6 enabled ${armv6-no}"
echo "ARMv6T2 enabled ${armv6t2-no}"
echo "ARM VFP enabled ${armvfp-no}"
echo "IWMMXT enabled ${iwmmxt-no}"
echo "NEON enabled ${neon-no}"
fi
if enabled mips; then

3
libavcodec/arm/Makefile
View File

@ -44,9 +44,6 @@ OBJS-$(HAVE_ARMVFP) += arm/dsputil_vfp.o \
arm/dsputil_init_vfp.o \
$(VFP-OBJS-yes)
OBJS-$(HAVE_IWMMXT) += arm/dsputil_iwmmxt.o \
arm/mpegvideo_iwmmxt.o \
NEON-OBJS-$(CONFIG_FFT) += arm/fft_neon.o \
arm/fft_fixed_neon.o \

1
libavcodec/arm/dsputil_arm.h
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@ -28,6 +28,5 @@ void ff_dsputil_init_armv5te(DSPContext* c, AVCodecContext *avctx);
void ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx);
void ff_dsputil_init_vfp(DSPContext* c, AVCodecContext *avctx);
void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx);
void ff_dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
#endif /* AVCODEC_ARM_DSPUTIL_H */

1
libavcodec/arm/dsputil_init_arm.c
View File

@ -119,7 +119,6 @@ void ff_dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
if (HAVE_ARMV5TE) ff_dsputil_init_armv5te(c, avctx);
if (HAVE_ARMV6) ff_dsputil_init_armv6(c, avctx);
if (HAVE_IWMMXT) ff_dsputil_init_iwmmxt(c, avctx);
if (HAVE_ARMVFP) ff_dsputil_init_vfp(c, avctx);
if (HAVE_NEON) ff_dsputil_init_neon(c, avctx);
}

210
libavcodec/arm/dsputil_iwmmxt.c
View File

@ -1,210 +0,0 @@
/*
* iWMMXt optimized DSP utils
* Copyright (c) 2004 AGAWA Koji
*
* 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 "libavutil/cpu.h"
#include "libavcodec/dsputil.h"
#define DEF(x, y) x ## _no_rnd_ ## y ##_iwmmxt
#define SET_RND(regd) __asm__ volatile ("mov r12, #1 \n\t tbcsth " #regd ", r12":::"r12");
#define WAVG2B "wavg2b"
#include "dsputil_iwmmxt_rnd_template.c"
#undef DEF
#undef SET_RND
#undef WAVG2B
#define DEF(x, y) x ## _ ## y ##_iwmmxt
#define SET_RND(regd) __asm__ volatile ("mov r12, #2 \n\t tbcsth " #regd ", r12":::"r12");
#define WAVG2B "wavg2br"
#include "dsputil_iwmmxt_rnd_template.c"
#undef DEF
#undef SET_RND
#undef WAVG2BR
// need scheduling
#define OP(AVG) \
__asm__ volatile ( \
/* alignment */ \
"and r12, %[pixels], #7 \n\t" \
"bic %[pixels], %[pixels], #7 \n\t" \
"tmcr wcgr1, r12 \n\t" \
\
"wldrd wr0, [%[pixels]] \n\t" \
"wldrd wr1, [%[pixels], #8] \n\t" \
"add %[pixels], %[pixels], %[line_size] \n\t" \
"walignr1 wr4, wr0, wr1 \n\t" \
\
"1: \n\t" \
\
"wldrd wr2, [%[pixels]] \n\t" \
"wldrd wr3, [%[pixels], #8] \n\t" \
"add %[pixels], %[pixels], %[line_size] \n\t" \
"pld [%[pixels]] \n\t" \
"walignr1 wr5, wr2, wr3 \n\t" \
AVG " wr6, wr4, wr5 \n\t" \
"wstrd wr6, [%[block]] \n\t" \
"add %[block], %[block], %[line_size] \n\t" \
\
"wldrd wr0, [%[pixels]] \n\t" \
"wldrd wr1, [%[pixels], #8] \n\t" \
"add %[pixels], %[pixels], %[line_size] \n\t" \
"walignr1 wr4, wr0, wr1 \n\t" \
"pld [%[pixels]] \n\t" \
AVG " wr6, wr4, wr5 \n\t" \
"wstrd wr6, [%[block]] \n\t" \
"add %[block], %[block], %[line_size] \n\t" \
\
"subs %[h], %[h], #2 \n\t" \
"bne 1b \n\t" \
: [block]"+r"(block), [pixels]"+r"(pixels), [h]"+r"(h) \
: [line_size]"r"(line_size) \
: "memory", "r12");
void put_pixels8_y2_iwmmxt(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
{
OP("wavg2br");
}
void put_no_rnd_pixels8_y2_iwmmxt(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
{
OP("wavg2b");
}
#undef OP
void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size)
{
uint8_t *pixels2 = pixels + line_size;
__asm__ volatile (
"mov r12, #4 \n\t"
"1: \n\t"
"pld [%[pixels], %[line_size2]] \n\t"
"pld [%[pixels2], %[line_size2]] \n\t"
"wldrd wr4, [%[pixels]] \n\t"
"wldrd wr5, [%[pixels2]] \n\t"
"pld [%[block], #32] \n\t"
"wunpckelub wr6, wr4 \n\t"
"wldrd wr0, [%[block]] \n\t"
"wunpckehub wr7, wr4 \n\t"
"wldrd wr1, [%[block], #8] \n\t"
"wunpckelub wr8, wr5 \n\t"
"wldrd wr2, [%[block], #16] \n\t"
"wunpckehub wr9, wr5 \n\t"
"wldrd wr3, [%[block], #24] \n\t"
"add %[block], %[block], #32 \n\t"
"waddhss wr10, wr0, wr6 \n\t"
"waddhss wr11, wr1, wr7 \n\t"
"waddhss wr12, wr2, wr8 \n\t"
"waddhss wr13, wr3, wr9 \n\t"
"wpackhus wr14, wr10, wr11 \n\t"
"wpackhus wr15, wr12, wr13 \n\t"
"wstrd wr14, [%[pixels]] \n\t"
"add %[pixels], %[pixels], %[line_size2] \n\t"
"subs r12, r12, #1 \n\t"
"wstrd wr15, [%[pixels2]] \n\t"
"add %[pixels2], %[pixels2], %[line_size2] \n\t"
"bne 1b \n\t"
: [block]"+r"(block), [pixels]"+r"(pixels), [pixels2]"+r"(pixels2)
: [line_size2]"r"(line_size << 1)
: "cc", "memory", "r12");
}
static void clear_blocks_iwmmxt(DCTELEM *blocks)
{
__asm__ volatile(
"wzero wr0 \n\t"
"mov r1, #(128 * 6 / 32) \n\t"
"1: \n\t"
"wstrd wr0, [%0] \n\t"
"wstrd wr0, [%0, #8] \n\t"
"wstrd wr0, [%0, #16] \n\t"
"wstrd wr0, [%0, #24] \n\t"
"subs r1, r1, #1 \n\t"
"add %0, %0, #32 \n\t"
"bne 1b \n\t"
: "+r"(blocks)
:
: "r1"
);
}
static void nop(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
return;
}
/* A run time test is not simple. If this file is compiled in
* then we should install the functions
*/
void ff_dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx)
{
int mm_flags = AV_CPU_FLAG_IWMMXT; /* multimedia extension flags */
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
if (avctx->dsp_mask) {
if (avctx->dsp_mask & AV_CPU_FLAG_FORCE)
mm_flags |= (avctx->dsp_mask & 0xffff);
else
mm_flags &= ~(avctx->dsp_mask & 0xffff);
}
if (!(mm_flags & AV_CPU_FLAG_IWMMXT)) return;
c->add_pixels_clamped = add_pixels_clamped_iwmmxt;
if (!high_bit_depth) {
c->clear_blocks = clear_blocks_iwmmxt;
c->put_pixels_tab[0][0] = put_pixels16_iwmmxt;
c->put_pixels_tab[0][1] = put_pixels16_x2_iwmmxt;
c->put_pixels_tab[0][2] = put_pixels16_y2_iwmmxt;
c->put_pixels_tab[0][3] = put_pixels16_xy2_iwmmxt;
c->put_no_rnd_pixels_tab[0][0] = put_pixels16_iwmmxt;
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_iwmmxt;
c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_iwmmxt;
c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_iwmmxt;
c->put_pixels_tab[1][0] = put_pixels8_iwmmxt;
c->put_pixels_tab[1][1] = put_pixels8_x2_iwmmxt;
c->put_pixels_tab[1][2] = put_pixels8_y2_iwmmxt;
c->put_pixels_tab[1][3] = put_pixels8_xy2_iwmmxt;
c->put_no_rnd_pixels_tab[1][0] = put_pixels8_iwmmxt;
c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_iwmmxt;
c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_iwmmxt;
c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_iwmmxt;
c->avg_pixels_tab[0][0] = avg_pixels16_iwmmxt;
c->avg_pixels_tab[0][1] = avg_pixels16_x2_iwmmxt;
c->avg_pixels_tab[0][2] = avg_pixels16_y2_iwmmxt;
c->avg_pixels_tab[0][3] = avg_pixels16_xy2_iwmmxt;
c->avg_no_rnd_pixels_tab[0][0] = avg_pixels16_iwmmxt;
c->avg_no_rnd_pixels_tab[0][1] = avg_no_rnd_pixels16_x2_iwmmxt;
c->avg_no_rnd_pixels_tab[0][2] = avg_no_rnd_pixels16_y2_iwmmxt;
c->avg_no_rnd_pixels_tab[0][3] = avg_no_rnd_pixels16_xy2_iwmmxt;
c->avg_pixels_tab[1][0] = avg_pixels8_iwmmxt;
c->avg_pixels_tab[1][1] = avg_pixels8_x2_iwmmxt;
c->avg_pixels_tab[1][2] = avg_pixels8_y2_iwmmxt;
c->avg_pixels_tab[1][3] = avg_pixels8_xy2_iwmmxt;
c->avg_no_rnd_pixels_tab[1][0] = avg_no_rnd_pixels8_iwmmxt;
c->avg_no_rnd_pixels_tab[1][1] = avg_no_rnd_pixels8_x2_iwmmxt;
c->avg_no_rnd_pixels_tab[1][2] = avg_no_rnd_pixels8_y2_iwmmxt;
c->avg_no_rnd_pixels_tab[1][3] = avg_no_rnd_pixels8_xy2_iwmmxt;
}
}

1114
libavcodec/arm/dsputil_iwmmxt_rnd_template.c
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File diff suppressed because it is too large Load Diff

7
libavcodec/arm/mpegvideo_arm.c
View File

@ -40,16 +40,9 @@ void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block,
void ff_MPV_common_init_arm(MpegEncContext *s)
{
/* IWMMXT support is a superset of armv5te, so
* allow optimized functions for armv5te unless
* a better iwmmxt function exists
*/
#if HAVE_ARMV5TE
ff_MPV_common_init_armv5te(s);
#endif
#if HAVE_IWMMXT
ff_MPV_common_init_iwmmxt(s);
#endif
if (HAVE_NEON) {
s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;

1
libavcodec/arm/mpegvideo_arm.h
View File

@ -21,7 +21,6 @@
#include "libavcodec/mpegvideo.h"
void ff_MPV_common_init_iwmmxt(MpegEncContext *s);
void ff_MPV_common_init_armv5te(MpegEncContext *s);
#endif /* AVCODEC_ARM_MPEGVIDEO_H */

101
libavcodec/arm/mpegvideo_iwmmxt.c
View File

@ -1,101 +0,0 @@
/*
* copyright (c) 2004 AGAWA Koji
*
* 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 "libavutil/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
#include "mpegvideo_arm.h"
static void dct_unquantize_h263_intra_iwmmxt(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int level, qmul, qadd;
int nCoeffs;
DCTELEM *block_orig = block;
assert(s->block_last_index[n]>=0);
qmul = qscale << 1;
if (!s->h263_aic) {
if (n < 4)
level = block[0] * s->y_dc_scale;
else
level = block[0] * s->c_dc_scale;
qadd = (qscale - 1) | 1;
}else{
qadd = 0;
level = block[0];
}
if(s->ac_pred)
nCoeffs=63;
else
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
__asm__ volatile (
/* "movd %1, %%mm6 \n\t" //qmul */
/* "packssdw %%mm6, %%mm6 \n\t" */
/* "packssdw %%mm6, %%mm6 \n\t" */
"tbcsth wr6, %[qmul] \n\t"
/* "movd %2, %%mm5 \n\t" //qadd */
/* "packssdw %%mm5, %%mm5 \n\t" */
/* "packssdw %%mm5, %%mm5 \n\t" */
"tbcsth wr5, %[qadd] \n\t"
"wzero wr7 \n\t" /* "pxor %%mm7, %%mm7 \n\t" */
"wzero wr4 \n\t" /* "pxor %%mm4, %%mm4 \n\t" */
"wsubh wr7, wr5, wr7 \n\t" /* "psubw %%mm5, %%mm7 \n\t" */
"1: \n\t"
"wldrd wr2, [%[block]] \n\t" /* "movq (%0, %3), %%mm0 \n\t" */
"wldrd wr3, [%[block], #8] \n\t" /* "movq 8(%0, %3), %%mm1 \n\t" */
"wmulsl wr0, wr6, wr2 \n\t" /* "pmullw %%mm6, %%mm0 \n\t" */
"wmulsl wr1, wr6, wr3 \n\t" /* "pmullw %%mm6, %%mm1 \n\t" */
/* "movq (%0, %3), %%mm2 \n\t" */
/* "movq 8(%0, %3), %%mm3 \n\t" */
"wcmpgtsh wr2, wr4, wr2 \n\t" /* "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 */
"wcmpgtsh wr3, wr4, wr2 \n\t" /* "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 */
"wxor wr0, wr2, wr0 \n\t" /* "pxor %%mm2, %%mm0 \n\t" */
"wxor wr1, wr3, wr1 \n\t" /* "pxor %%mm3, %%mm1 \n\t" */
"waddh wr0, wr7, wr0 \n\t" /* "paddw %%mm7, %%mm0 \n\t" */
"waddh wr1, wr7, wr1 \n\t" /* "paddw %%mm7, %%mm1 \n\t" */
"wxor wr2, wr0, wr2 \n\t" /* "pxor %%mm0, %%mm2 \n\t" */
"wxor wr3, wr1, wr3 \n\t" /* "pxor %%mm1, %%mm3 \n\t" */
"wcmpeqh wr0, wr7, wr0 \n\t" /* "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0 */
"wcmpeqh wr1, wr7, wr1 \n\t" /* "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0 */
"wandn wr0, wr2, wr0 \n\t" /* "pandn %%mm2, %%mm0 \n\t" */
"wandn wr1, wr3, wr1 \n\t" /* "pandn %%mm3, %%mm1 \n\t" */
"wstrd wr0, [%[block]] \n\t" /* "movq %%mm0, (%0, %3) \n\t" */
"wstrd wr1, [%[block], #8] \n\t" /* "movq %%mm1, 8(%0, %3) \n\t" */
"add %[block], %[block], #16 \n\t" /* "addl $16, %3 \n\t" */
"subs %[i], %[i], #1 \n\t"
"bne 1b \n\t" /* "jng 1b \n\t" */
:[block]"+r"(block)
:[i]"r"((nCoeffs + 8) / 8), [qmul]"r"(qmul), [qadd]"r"(qadd)
:"memory");
block_orig[0] = level;
}
void ff_MPV_common_init_iwmmxt(MpegEncContext *s)
{
if (!(mm_flags & AV_CPU_FLAG_IWMMXT)) return;
s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_iwmmxt;
}

52
libavcodec/c93.c
View File

@ -125,8 +125,9 @@ static int decode_frame(AVCodecContext *avctx, void *data,
AVFrame * const newpic = &c93->pictures[c93->currentpic];
AVFrame * const oldpic = &c93->pictures[c93->currentpic^1];
AVFrame *picture = data;
GetByteContext gb;
uint8_t *out;
int stride, i, x, y, bt = 0;
int stride, i, x, y, b, bt = 0;
c93->currentpic ^= 1;
@ -140,7 +141,9 @@ static int decode_frame(AVCodecContext *avctx, void *data,
stride = newpic->linesize[0];
if (buf[0] & C93_FIRST_FRAME) {
bytestream2_init(&gb, buf, buf_size);
b = bytestream2_get_byte(&gb);
if (b & C93_FIRST_FRAME) {
newpic->pict_type = AV_PICTURE_TYPE_I;
newpic->key_frame = 1;
} else {
@ -148,17 +151,6 @@ static int decode_frame(AVCodecContext *avctx, void *data,
newpic->key_frame = 0;
}
if (*buf++ & C93_HAS_PALETTE) {
uint32_t *palette = (uint32_t *) newpic->data[1];
const uint8_t *palbuf = buf + buf_size - 768 - 1;
for (i = 0; i < 256; i++) {
palette[i] = 0xFF << 24 | bytestream_get_be24(&palbuf);
}
} else {
if (oldpic->data[1])
memcpy(newpic->data[1], oldpic->data[1], 256 * 4);
}
for (y = 0; y < HEIGHT; y += 8) {
out = newpic->data[0] + y * stride;
for (x = 0; x < WIDTH; x += 8) {
@ -168,12 +160,12 @@ static int decode_frame(AVCodecContext *avctx, void *data,
C93BlockType block_type;
if (!bt)
bt = *buf++;
bt = bytestream2_get_byte(&gb);
block_type= bt & 0x0F;
switch (block_type) {
case C93_8X8_FROM_PREV:
offset = bytestream_get_le16(&buf);
offset = bytestream2_get_le16(&gb);
if (copy_block(avctx, out, copy_from, offset, 8, stride))
return -1;
break;
@ -183,7 +175,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
case C93_4X4_FROM_PREV:
for (j = 0; j < 8; j += 4) {
for (i = 0; i < 8; i += 4) {
offset = bytestream_get_le16(&buf);
offset = bytestream2_get_le16(&gb);
if (copy_block(avctx, &out[j*stride+i],
copy_from, offset, 4, stride))
return -1;
@ -192,10 +184,10 @@ static int decode_frame(AVCodecContext *avctx, void *data,
break;
case C93_8X8_2COLOR:
bytestream_get_buffer(&buf, cols, 2);
bytestream2_get_buffer(&gb, cols, 2);
for (i = 0; i < 8; i++) {
draw_n_color(out + i*stride, stride, 8, 1, 1, cols,
NULL, *buf++);
NULL, bytestream2_get_byte(&gb));
}
break;
@ -206,17 +198,17 @@ static int decode_frame(AVCodecContext *avctx, void *data,
for (j = 0; j < 8; j += 4) {
for (i = 0; i < 8; i += 4) {
if (block_type == C93_4X4_2COLOR) {
bytestream_get_buffer(&buf, cols, 2);
bytestream2_get_buffer(&gb, cols, 2);
draw_n_color(out + i + j*stride, stride, 4, 4,
1, cols, NULL, bytestream_get_le16(&buf));
1, cols, NULL, bytestream2_get_le16(&gb));
} else if (block_type == C93_4X4_4COLOR) {
bytestream_get_buffer(&buf, cols, 4);
bytestream2_get_buffer(&gb, cols, 4);
draw_n_color(out + i + j*stride, stride, 4, 4,
2, cols, NULL, bytestream_get_le32(&buf));
2, cols, NULL, bytestream2_get_le32(&gb));
} else {
bytestream_get_buffer(&buf, grps, 4);
bytestream2_get_buffer(&gb, grps, 4);
draw_n_color(out + i + j*stride, stride, 4, 4,
1, cols, grps, bytestream_get_le16(&buf));
1, cols, grps, bytestream2_get_le16(&gb));
}
}
}
@ -227,7 +219,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
case C93_8X8_INTRA:
for (j = 0; j < 8; j++)
bytestream_get_buffer(&buf, out + j*stride, 8);
bytestream2_get_buffer(&gb, out + j*stride, 8);
break;
default:
@ -240,6 +232,16 @@ static int decode_frame(AVCodecContext *avctx, void *data,
}
}
if (b & C93_HAS_PALETTE) {
uint32_t *palette = (uint32_t *) newpic->data[1];
for (i = 0; i < 256; i++) {
palette[i] = 0xFFU << 24 | bytestream2_get_be24(&gb);
}
} else {
if (oldpic->data[1])
memcpy(newpic->data[1], oldpic->data[1], 256 * 4);
}
*picture = *newpic;
*data_size = sizeof(AVFrame);

3
libavcodec/frwu.c
View File

@ -22,7 +22,6 @@
#include "avcodec.h"
#include "bytestream.h"
#include "libavutil/intreadwrite.h"
static av_cold int decode_init(AVCodecContext *avctx)
{
@ -54,7 +53,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
av_log(avctx, AV_LOG_ERROR, "Packet is too small.\n");
return AVERROR_INVALIDDATA;
}
if (bytestream_get_le32(&buf) != AV_RL32("FRW1")) {
if (bytestream_get_le32(&buf) != MKTAG('F', 'R', 'W', '1')) {
av_log(avctx, AV_LOG_ERROR, "incorrect marker\n");
return AVERROR_INVALIDDATA;
}

22
libavcodec/mimic.c
View File

@ -306,24 +306,26 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MimicContext *ctx = avctx->priv_data;
GetByteContext gb;
int is_pframe;
int width, height;
int quality, num_coeffs;
int swap_buf_size = buf_size - MIMIC_HEADER_SIZE;
if(buf_size < MIMIC_HEADER_SIZE) {
if (buf_size <= MIMIC_HEADER_SIZE) {
av_log(avctx, AV_LOG_ERROR, "insufficient data\n");
return -1;
}
buf += 2; /* some constant (always 256) */
quality = bytestream_get_le16(&buf);
width = bytestream_get_le16(&buf);
height = bytestream_get_le16(&buf);
buf += 4; /* some constant */
is_pframe = bytestream_get_le32(&buf);
num_coeffs = bytestream_get_byte(&buf);
buf += 3; /* some constant */
bytestream2_init(&gb, buf, MIMIC_HEADER_SIZE);
bytestream2_skip(&gb, 2); /* some constant (always 256) */
quality = bytestream2_get_le16u(&gb);
width = bytestream2_get_le16u(&gb);
height = bytestream2_get_le16u(&gb);
bytestream2_skip(&gb, 4); /* some constant */
is_pframe = bytestream2_get_le32u(&gb);
num_coeffs = bytestream2_get_byteu(&gb);
bytestream2_skip(&gb, 3); /* some constant */
if(!ctx->avctx) {
int i;
@ -372,7 +374,7 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data,
return AVERROR(ENOMEM);
ctx->dsp.bswap_buf(ctx->swap_buf,
(const uint32_t*) buf,
(const uint32_t*) (buf + MIMIC_HEADER_SIZE),
swap_buf_size>>2);
init_get_bits(&ctx->gb, ctx->swap_buf, swap_buf_size << 3);

110
libavcodec/pcm-mpeg.c
View File

@ -141,6 +141,7 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
const uint8_t *src = avpkt->data;
int buf_size = avpkt->size;
PCMBRDecode *s = avctx->priv_data;
GetByteContext gb;
int num_source_channels, channel, retval;
int sample_size, samples;
int16_t *dst16;
@ -156,6 +157,8 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
src += 4;
buf_size -= 4;
bytestream2_init(&gb, src, buf_size);
/* There's always an even number of channels in the source */
num_source_channels = FFALIGN(avctx->channels, 2);
sample_size = (num_source_channels * (avctx->sample_fmt == AV_SAMPLE_FMT_S16 ? 16 : 24)) >> 3;
@ -179,15 +182,15 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
samples *= num_source_channels;
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
#if HAVE_BIGENDIAN
memcpy(dst16, src, buf_size);
bytestream2_get_buffer(&gb, dst16, buf_size);
#else
do {
*dst16++ = bytestream_get_be16(&src);
*dst16++ = bytestream2_get_be16u(&gb);
} while (--samples);
#endif
} else {
do {
*dst32++ = bytestream_get_be24(&src) << 8;
*dst32++ = bytestream2_get_be24u(&gb) << 8;
} while (--samples);
}
break;
@ -199,24 +202,23 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
#if HAVE_BIGENDIAN
memcpy(dst16, src, avctx->channels * 2);
bytestream2_get_buffer(&gb, dst16, avctx->channels * 2);
dst16 += avctx->channels;
src += sample_size;
#else
channel = avctx->channels;
do {
*dst16++ = bytestream_get_be16(&src);
*dst16++ = bytestream2_get_be16u(&gb);
} while (--channel);
src += 2;
#endif
bytestream2_skip(&gb, 2);
} while (--samples);
} else {
do {
channel = avctx->channels;
do {
*dst32++ = bytestream_get_be24(&src) << 8;
*dst32++ = bytestream2_get_be24u(&gb) << 8;
} while (--channel);
src += 3;
bytestream2_skip(&gb, 3);
} while (--samples);
}
break;
@ -224,22 +226,22 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
case AV_CH_LAYOUT_5POINT1:
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
dst16[0] = bytestream_get_be16(&src);
dst16[1] = bytestream_get_be16(&src);
dst16[2] = bytestream_get_be16(&src);
dst16[4] = bytestream_get_be16(&src);
dst16[5] = bytestream_get_be16(&src);
dst16[3] = bytestream_get_be16(&src);
dst16[0] = bytestream2_get_be16u(&gb);
dst16[1] = bytestream2_get_be16u(&gb);
dst16[2] = bytestream2_get_be16u(&gb);
dst16[4] = bytestream2_get_be16u(&gb);
dst16[5] = bytestream2_get_be16u(&gb);
dst16[3] = bytestream2_get_be16u(&gb);
dst16 += 6;
} while (--samples);
} else {
do {
dst32[0] = bytestream_get_be24(&src) << 8;
dst32[1] = bytestream_get_be24(&src) << 8;
dst32[2] = bytestream_get_be24(&src) << 8;
dst32[4] = bytestream_get_be24(&src) << 8;
dst32[5] = bytestream_get_be24(&src) << 8;
dst32[3] = bytestream_get_be24(&src) << 8;
dst32[0] = bytestream2_get_be24u(&gb) << 8;
dst32[1] = bytestream2_get_be24u(&gb) << 8;
dst32[2] = bytestream2_get_be24u(&gb) << 8;
dst32[4] = bytestream2_get_be24u(&gb) << 8;
dst32[5] = bytestream2_get_be24u(&gb) << 8;
dst32[3] = bytestream2_get_be24u(&gb) << 8;
dst32 += 6;
} while (--samples);
}
@ -248,27 +250,27 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
case AV_CH_LAYOUT_7POINT0:
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
dst16[0] = bytestream_get_be16(&src);
dst16[1] = bytestream_get_be16(&src);
dst16[2] = bytestream_get_be16(&src);
dst16[5] = bytestream_get_be16(&src);
dst16[3] = bytestream_get_be16(&src);
dst16[4] = bytestream_get_be16(&src);
dst16[6] = bytestream_get_be16(&src);
dst16[0] = bytestream2_get_be16u(&gb);
dst16[1] = bytestream2_get_be16u(&gb);
dst16[2] = bytestream2_get_be16u(&gb);
dst16[5] = bytestream2_get_be16u(&gb);
dst16[3] = bytestream2_get_be16u(&gb);
dst16[4] = bytestream2_get_be16u(&gb);
dst16[6] = bytestream2_get_be16u(&gb);
dst16 += 7;
src += 2;
bytestream2_skip(&gb, 2);
} while (--samples);
} else {
do {
dst32[0] = bytestream_get_be24(&src) << 8;
dst32[1] = bytestream_get_be24(&src) << 8;
dst32[2] = bytestream_get_be24(&src) << 8;
dst32[5] = bytestream_get_be24(&src) << 8;
dst32[3] = bytestream_get_be24(&src) << 8;
dst32[4] = bytestream_get_be24(&src) << 8;
dst32[6] = bytestream_get_be24(&src) << 8;
dst32[0] = bytestream2_get_be24u(&gb) << 8;
dst32[1] = bytestream2_get_be24u(&gb) << 8;
dst32[2] = bytestream2_get_be24u(&gb) << 8;
dst32[5] = bytestream2_get_be24u(&gb) << 8;
dst32[3] = bytestream2_get_be24u(&gb) << 8;
dst32[4] = bytestream2_get_be24u(&gb) << 8;
dst32[6] = bytestream2_get_be24u(&gb) << 8;
dst32 += 7;
src += 3;
bytestream2_skip(&gb, 3);
} while (--samples);
}
break;
@ -276,26 +278,26 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
case AV_CH_LAYOUT_7POINT1:
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
dst16[0] = bytestream_get_be16(&src);
dst16[1] = bytestream_get_be16(&src);
dst16[2] = bytestream_get_be16(&src);
dst16[6] = bytestream_get_be16(&src);
dst16[4] = bytestream_get_be16(&src);
dst16[5] = bytestream_get_be16(&src);
dst16[7] = bytestream_get_be16(&src);
dst16[3] = bytestream_get_be16(&src);
dst16[0] = bytestream2_get_be16u(&gb);
dst16[1] = bytestream2_get_be16u(&gb);
dst16[2] = bytestream2_get_be16u(&gb);
dst16[6] = bytestream2_get_be16u(&gb);
dst16[4] = bytestream2_get_be16u(&gb);
dst16[5] = bytestream2_get_be16u(&gb);
dst16[7] = bytestream2_get_be16u(&gb);
dst16[3] = bytestream2_get_be16u(&gb);
dst16 += 8;
} while (--samples);
} else {
do {
dst32[0] = bytestream_get_be24(&src) << 8;
dst32[1] = bytestream_get_be24(&src) << 8;
dst32[2] = bytestream_get_be24(&src) << 8;
dst32[6] = bytestream_get_be24(&src) << 8;
dst32[4] = bytestream_get_be24(&src) << 8;
dst32[5] = bytestream_get_be24(&src) << 8;
dst32[7] = bytestream_get_be24(&src) << 8;
dst32[3] = bytestream_get_be24(&src) << 8;
dst32[0] = bytestream2_get_be24u(&gb) << 8;
dst32[1] = bytestream2_get_be24u(&gb) << 8;
dst32[2] = bytestream2_get_be24u(&gb) << 8;
dst32[6] = bytestream2_get_be24u(&gb) << 8;
dst32[4] = bytestream2_get_be24u(&gb) << 8;
dst32[5] = bytestream2_get_be24u(&gb) << 8;
dst32[7] = bytestream2_get_be24u(&gb) << 8;
dst32[3] = bytestream2_get_be24u(&gb) << 8;
dst32 += 8;
} while (--samples);
}
@ -306,7 +308,7 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
*got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
retval = src - avpkt->data;
retval = bytestream2_tell(&gb);
if (avctx->debug & FF_DEBUG_BITSTREAM)
av_dlog(avctx, "pcm_bluray_decode_frame: decoded %d -> %d bytes\n",
retval, buf_size);

22
libavcodec/s3tc.c
View File

@ -21,19 +21,19 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/intreadwrite.h"
#include "libavcodec/bytestream.h"
#include "avcodec.h"
#include "s3tc.h"
static inline void dxt1_decode_pixels(const uint8_t *s, uint32_t *d,
static inline void dxt1_decode_pixels(GetByteContext *gb, uint32_t *d,
unsigned int qstride, unsigned int flag,
uint64_t alpha) {
unsigned int x, y, c0, c1, a = (!flag * 255u) << 24;
unsigned int rb0, rb1, rb2, rb3, g0, g1, g2, g3;
uint32_t colors[4], pixels;
c0 = AV_RL16(s);
c1 = AV_RL16(s+2);
c0 = bytestream2_get_le16(gb);
c1 = bytestream2_get_le16(gb);
rb0 = (c0<<3 | c0<<8) & 0xf800f8;
rb1 = (c1<<3 | c1<<8) & 0xf800f8;
@ -61,7 +61,7 @@ static inline void dxt1_decode_pixels(const uint8_t *s, uint32_t *d,
colors[2] = rb2 + g2 + a;
pixels = AV_RL32(s+4);
pixels = bytestream2_get_le32(gb);
for (y=0; y<4; y++) {
for (x=0; x<4; x++) {
a = (alpha & 0x0f) << 28;
@ -74,24 +74,24 @@ static inline void dxt1_decode_pixels(const uint8_t *s, uint32_t *d,
}
}
void ff_decode_dxt1(const uint8_t *s, uint8_t *dst,
void ff_decode_dxt1(GetByteContext *gb, uint8_t *dst,
const unsigned int w, const unsigned int h,
const unsigned int stride) {
unsigned int bx, by, qstride = stride/4;
uint32_t *d = (uint32_t *) dst;
for (by=0; by < h/4; by++, d += stride-w)
for (bx=0; bx < w/4; bx++, s+=8, d+=4)
dxt1_decode_pixels(s, d, qstride, 0, 0LL);
for (bx = 0; bx < w / 4; bx++, d += 4)
dxt1_decode_pixels(gb, d, qstride, 0, 0LL);
}
void ff_decode_dxt3(const uint8_t *s, uint8_t *dst,
void ff_decode_dxt3(GetByteContext *gb, uint8_t *dst,
const unsigned int w, const unsigned int h,
const unsigned int stride) {
unsigned int bx, by, qstride = stride/4;
uint32_t *d = (uint32_t *) dst;
for (by=0; by < h/4; by++, d += stride-w)
for (bx=0; bx < w/4; bx++, s+=16, d+=4)
dxt1_decode_pixels(s+8, d, qstride, 1, AV_RL64(s));
for (bx = 0; bx < w / 4; bx++, d += 4)
dxt1_decode_pixels(gb, d, qstride, 1, bytestream2_get_le64(gb));
}

8
libavcodec/s3tc.h
View File

@ -29,24 +29,24 @@
/**
* Decode DXT1 encoded data to RGB32
* @param src source buffer, has to be aligned on a 4-byte boundary
* @param gb GetByteContext
* @param dst destination buffer
* @param w width of output image
* @param h height of output image
* @param stride line size of output image
*/
void ff_decode_dxt1(const uint8_t *src, uint8_t *dst,
void ff_decode_dxt1(GetByteContext *gb, uint8_t *dst,
const unsigned int w, const unsigned int h,
const unsigned int stride);
/**
* Decode DXT3 encoded data to RGB32
* @param src source buffer, has to be aligned on a 4-byte boundary
* @param gb GetByteContext
* @param dst destination buffer
* @param w width of output image
* @param h height of output image
* @param stride line size of output image
*/
void ff_decode_dxt3(const uint8_t *src, uint8_t *dst,
void ff_decode_dxt3(GetByteContext *gb, uint8_t *dst,
const unsigned int w, const unsigned int h,
const unsigned int stride);

68
libavcodec/txd.c
View File

@ -25,6 +25,7 @@
#include "libavutil/imgutils.h"
#include "bytestream.h"
#include "avcodec.h"
#include "bytestream.h"
#include "s3tc.h"
typedef struct TXDContext {
@ -42,28 +43,25 @@ static av_cold int txd_init(AVCodecContext *avctx) {
static int txd_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
AVPacket *avpkt) {
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = avpkt->data + avpkt->size;
TXDContext * const s = avctx->priv_data;
GetByteContext gb;
AVFrame *picture = data;
AVFrame * const p = &s->picture;
unsigned int version, w, h, d3d_format, depth, stride, mipmap_count, flags;
unsigned int y, v;
uint8_t *ptr;
const uint8_t *cur = buf;
const uint32_t *palette = (const uint32_t *)(cur + 88);
uint32_t *pal;
if (buf_end - cur < 92)
return AVERROR_INVALIDDATA;
version = AV_RL32(cur);
d3d_format = AV_RL32(cur+76);
w = AV_RL16(cur+80);
h = AV_RL16(cur+82);
depth = AV_RL8 (cur+84);
mipmap_count = AV_RL8 (cur+85);
flags = AV_RL8 (cur+87);
cur += 92;
bytestream2_init(&gb, avpkt->data, avpkt->size);
version = bytestream2_get_le32(&gb);
bytestream2_skip(&gb, 72);
d3d_format = bytestream2_get_le32(&gb);
w = bytestream2_get_le16(&gb);
h = bytestream2_get_le16(&gb);
depth = bytestream2_get_byte(&gb);
mipmap_count = bytestream2_get_byte(&gb);
bytestream2_skip(&gb, 1);
flags = bytestream2_get_byte(&gb);
if (version < 8 || version > 9) {
av_log(avctx, AV_LOG_ERROR, "texture data version %i is unsupported\n",
@ -73,12 +71,9 @@ static int txd_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
if (depth == 8) {
avctx->pix_fmt = PIX_FMT_PAL8;
if (buf_end - cur < 1024)
return AVERROR_INVALIDDATA;
cur += 1024;
} else if (depth == 16 || depth == 32)
} else if (depth == 16 || depth == 32) {
avctx->pix_fmt = PIX_FMT_RGB32;
else {
} else {
av_log(avctx, AV_LOG_ERROR, "depth of %i is unsupported\n", depth);
return -1;
}
@ -102,31 +97,32 @@ static int txd_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
if (depth == 8) {
pal = (uint32_t *) p->data[1];
for (y=0; y<256; y++) {
v = AV_RB32(palette+y);
pal[y] = (v>>8) + (v<<24);
for (y = 0; y < 256; y++) {
v = bytestream2_get_be32(&gb);
pal[y] = (v >> 8) + (v << 24);
}
if (buf_end - cur < w * h)
if (bytestream2_get_bytes_left(&gb) < w * h)
return AVERROR_INVALIDDATA;
bytestream2_skip(&gb, 4);
for (y=0; y<h; y++) {
memcpy(ptr, cur, w);
bytestream2_get_buffer(&gb, ptr, w);
ptr += stride;
cur += w;
}
} else if (depth == 16) {
bytestream2_skip(&gb, 4);
switch (d3d_format) {
case 0:
if (!(flags & 1))
goto unsupported;
case FF_S3TC_DXT1:
if (buf_end - cur < (w/4) * (h/4) * 8)
if (bytestream2_get_bytes_left(&gb) < (w/4) * (h/4) * 8)
return AVERROR_INVALIDDATA;
ff_decode_dxt1(cur, ptr, w, h, stride);
ff_decode_dxt1(&gb, ptr, w, h, stride);
break;
case FF_S3TC_DXT3:
if (buf_end - cur < (w/4) * (h/4) * 16)
if (bytestream2_get_bytes_left(&gb) < (w/4) * (h/4) * 16)
return AVERROR_INVALIDDATA;
ff_decode_dxt3(cur, ptr, w, h, stride);
ff_decode_dxt3(&gb, ptr, w, h, stride);
break;
default:
goto unsupported;
@ -135,12 +131,11 @@ static int txd_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
switch (d3d_format) {
case 0x15:
case 0x16:
if (buf_end - cur < h * w * 4)
if (bytestream2_get_bytes_left(&gb) < h * w * 4)
return AVERROR_INVALIDDATA;
for (y=0; y<h; y++) {
memcpy(ptr, cur, w*4);
bytestream2_get_buffer(&gb, ptr, w * 4);
ptr += stride;
cur += w*4;
}
break;
default:
@ -148,17 +143,10 @@ static int txd_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
}
}
for (; mipmap_count > 1 && buf_end - cur >= 4; mipmap_count--) {
uint32_t length = bytestream_get_le32(&cur);
if (buf_end - cur < length)
break;
cur += length;
}
*picture = s->picture;
*data_size = sizeof(AVPicture);
return cur - buf;
return avpkt->size;
unsupported:
av_log(avctx, AV_LOG_ERROR, "unsupported d3d format (%08x)\n", d3d_format);

2
libavformat/iff.c
View File

@ -385,7 +385,7 @@ static int iff_read_packet(AVFormatContext *s,
AVInputFormat ff_iff_demuxer = {
.name = "IFF",
.long_name = NULL_IF_CONFIG_SMALL("IFF format"),
.long_name = NULL_IF_CONFIG_SMALL("Interchange File Format"),
.priv_data_size = sizeof(IffDemuxContext),
.read_probe = iff_probe,
.read_header = iff_read_header,

2
libavformat/rtsp.c
View File

@ -1005,7 +1005,7 @@ start:
av_freep(content_ptr);
/* If method is set, this is called from ff_rtsp_send_cmd,
* where a reply to exactly this request is awaited. For
* callers from within packet reciving, we just want to
* callers from within packet receiving, we just want to
* return to the caller and go back to receiving packets. */
if (method)
goto start;

1
libavutil/Makefile
View File

@ -77,7 +77,6 @@ OBJS = adler32.o \
tree.o \
utils.o \
OBJS-$(ARCH_ARM) += arm/cpu.o
OBJS-$(ARCH_PPC) += ppc/cpu.o
OBJS-$(ARCH_X86) += x86/cpu.o

25
libavutil/arm/cpu.c
View File

@ -1,25 +0,0 @@
/*
* 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 "libavutil/cpu.h"
#include "config.h"
int ff_get_cpu_flags_arm(void)
{
return HAVE_IWMMXT * AV_CPU_FLAG_IWMMXT;
}

5
libavutil/cpu.c
View File

@ -31,7 +31,6 @@ int av_get_cpu_flags(void)
if (checked)
return flags;
if (ARCH_ARM) flags = ff_get_cpu_flags_arm();
if (ARCH_PPC) flags = ff_get_cpu_flags_ppc();
if (ARCH_X86) flags = ff_get_cpu_flags_x86();
@ -55,9 +54,7 @@ static const struct {
int flag;
const char *name;
} cpu_flag_tab[] = {
#if ARCH_ARM
{ AV_CPU_FLAG_IWMMXT, "iwmmxt" },
#elif ARCH_PPC
#if ARCH_PPC
{ AV_CPU_FLAG_ALTIVEC, "altivec" },
#elif ARCH_X86
{ AV_CPU_FLAG_MMX, "mmx" },

2
libavutil/cpu.h
View File

@ -43,7 +43,6 @@
#define AV_CPU_FLAG_CMOV 0x1000000 ///< supports cmov instruction
#define AV_CPU_FLAG_XOP 0x0400 ///< Bulldozer XOP functions
#define AV_CPU_FLAG_FMA4 0x0800 ///< Bulldozer FMA4 functions
#define AV_CPU_FLAG_IWMMXT 0x0100 ///< XScale IWMMXT
#define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard
/**
@ -67,7 +66,6 @@ void av_force_cpu_flags(int flags);
attribute_deprecated void av_set_cpu_flags_mask(int mask);
/* The following CPU-specific functions shall not be called directly. */
int ff_get_cpu_flags_arm(void);
int ff_get_cpu_flags_ppc(void);
int ff_get_cpu_flags_x86(void);