diff options
Diffstat (limited to 'libmpeg2')
-rw-r--r-- | libmpeg2/Makefile | 4 | ||||
-rw-r--r-- | libmpeg2/alloc.c | 54 | ||||
-rw-r--r-- | libmpeg2/alpha_asm.h | 75 | ||||
-rw-r--r-- | libmpeg2/attributes.h | 2 | ||||
-rw-r--r-- | libmpeg2/convert.h | 56 | ||||
-rw-r--r-- | libmpeg2/cpu_accel.c | 54 | ||||
-rw-r--r-- | libmpeg2/cpu_state.c | 4 | ||||
-rw-r--r-- | libmpeg2/decode.c | 255 | ||||
-rw-r--r-- | libmpeg2/header.c | 643 | ||||
-rw-r--r-- | libmpeg2/idct.c | 95 | ||||
-rw-r--r-- | libmpeg2/idct_alpha.c | 75 | ||||
-rw-r--r-- | libmpeg2/idct_altivec.c | 128 | ||||
-rw-r--r-- | libmpeg2/idct_mlib.c | 60 | ||||
-rw-r--r-- | libmpeg2/idct_mmx.c | 10 | ||||
-rw-r--r-- | libmpeg2/mmx.h | 2 | ||||
-rw-r--r-- | libmpeg2/motion_comp.c | 7 | ||||
-rw-r--r-- | libmpeg2/motion_comp_alpha.c | 198 | ||||
-rw-r--r-- | libmpeg2/motion_comp_altivec.c | 1 | ||||
-rw-r--r-- | libmpeg2/motion_comp_mlib.c | 190 | ||||
-rw-r--r-- | libmpeg2/motion_comp_mmx.c | 2 | ||||
-rw-r--r-- | libmpeg2/motion_comp_vis.c | 2061 | ||||
-rw-r--r-- | libmpeg2/mpeg2.h | 136 | ||||
-rw-r--r-- | libmpeg2/mpeg2_internal.h | 144 | ||||
-rw-r--r-- | libmpeg2/slice.c | 1299 | ||||
-rw-r--r-- | libmpeg2/vis.h | 328 | ||||
-rw-r--r-- | libmpeg2/vlc.h | 87 |
26 files changed, 4299 insertions, 1671 deletions
diff --git a/libmpeg2/Makefile b/libmpeg2/Makefile index b7e93d796b..2c4c77b467 100644 --- a/libmpeg2/Makefile +++ b/libmpeg2/Makefile @@ -3,10 +3,10 @@ LIBNAME = libmpeg2.a include ../config.mak -SRCS = alloc.c cpu_accel.c cpu_state.c decode.c header.c idct.c idct_alpha.c idct_mlib.c idct_mmx.c motion_comp.c motion_comp_alpha.c motion_comp_mlib.c motion_comp_mmx.c slice.c +SRCS = alloc.c cpu_accel.c cpu_state.c decode.c header.c idct.c idct_alpha.c idct_mmx.c motion_comp.c motion_comp_alpha.c motion_comp_mmx.c slice.c OBJS = $(SRCS:.c=.o) -INCLUDE = -I. -I../libvo -I.. $(EXTRA_INC) $(MLIB_INC) +INCLUDE = -I. -I../libvo -I.. $(EXTRA_INC) CFLAGS = $(OPTFLAGS) $(INCLUDE) -DMPG12PLAY ifeq ($(TARGET_ALTIVEC),yes) diff --git a/libmpeg2/alloc.c b/libmpeg2/alloc.c index 2e4792e94d..0698937bce 100644 --- a/libmpeg2/alloc.c +++ b/libmpeg2/alloc.c @@ -21,56 +21,50 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include "config.h" - #include <stdlib.h> #include <inttypes.h> #include "mpeg2.h" -#include "mpeg2_internal.h" - -#if defined(HAVE_MEMALIGN) && !defined(__cplusplus) -/* some systems have memalign() but no declaration for it */ -void * memalign (size_t align, size_t size); -#endif -void * (* mpeg2_malloc_hook) (int size, int reason) = NULL; -int (* mpeg2_free_hook) (void * buf) = NULL; +static void * (* malloc_hook) (unsigned size, mpeg2_alloc_t reason) = NULL; +static int (* free_hook) (void * buf) = NULL; -void * mpeg2_malloc (int size, int reason) +void * mpeg2_malloc (unsigned size, mpeg2_alloc_t reason) { char * buf; - if (mpeg2_malloc_hook) { - buf = (char *) mpeg2_malloc_hook (size, reason); + if (malloc_hook) { + buf = (char *) malloc_hook (size, reason); if (buf) return buf; } -#if defined(HAVE_MEMALIGN) && !defined(__cplusplus) && !defined(DEBUG) - return memalign (16, size); -#else - buf = (char *) malloc (size + 15 + sizeof (void **)); - if (buf) { - char * align_buf; + if (size) { + buf = (char *) malloc (size + 63 + sizeof (void **)); + if (buf) { + char * align_buf; - align_buf = buf + 15 + sizeof (void **); - align_buf -= (long)align_buf & 15; - *(((void **)align_buf) - 1) = buf; - return align_buf; + align_buf = buf + 63 + sizeof (void **); + align_buf -= (long)align_buf & 63; + *(((void **)align_buf) - 1) = buf; + return align_buf; + } } return NULL; -#endif } void mpeg2_free (void * buf) { - if (mpeg2_free_hook && mpeg2_free_hook (buf)) + if (free_hook && free_hook (buf)) return; -#if defined(HAVE_MEMALIGN) && !defined(__cplusplus) && !defined(DEBUG) - free (buf); -#else - free (*(((void **)buf) - 1)); -#endif + if (buf) + free (*(((void **)buf) - 1)); +} + +void mpeg2_malloc_hooks (void * malloc (unsigned, mpeg2_alloc_t), + int free (void *)) +{ + malloc_hook = malloc; + free_hook = free; } diff --git a/libmpeg2/alpha_asm.h b/libmpeg2/alpha_asm.h index 6864ccc2e7..bf1081f249 100644 --- a/libmpeg2/alpha_asm.h +++ b/libmpeg2/alpha_asm.h @@ -1,6 +1,6 @@ /* * Alpha assembly macros - * Copyright (c) 2002 Falk Hueffner <falk@debian.org> + * Copyright (c) 2002-2003 Falk Hueffner <falk@debian.org> * * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. * See http://libmpeg2.sourceforge.net/ for updates. @@ -83,22 +83,11 @@ struct unaligned_long { uint64_t l; } __attribute__((packed)); #define ldq_u(p) (*(const uint64_t *) (((uint64_t) (p)) & ~7ul)) #define uldq(a) (((const struct unaligned_long *) (a))->l) -#if GNUC_PREREQ(3,0) -/* Unfortunately, __builtin_prefetch is slightly buggy on Alpha. The - defines here are kludged so we still get the right - instruction. This needs to be adapted as soon as gcc is fixed. */ -# define prefetch(p) __builtin_prefetch((p), 0, 1) -# define prefetch_en(p) __builtin_prefetch((p), 1, 1) -# define prefetch_m(p) __builtin_prefetch((p), 0, 0) -# define prefetch_men(p) __builtin_prefetch((p), 1, 0) -#else -# define prefetch(p) asm volatile("ldl $31,%0" : : "m"(*(const char *) (p)) : "memory") -# define prefetch_en(p) asm volatile("ldq $31,%0" : : "m"(*(const char *) (p)) : "memory") -# define prefetch_m(p) asm volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory") -# define prefetch_men(p) asm volatile("ldt $f31,%0" : : "m"(*(const char *) (p)) : "memory") -#endif - #if GNUC_PREREQ(3,3) +#define prefetch(p) __builtin_prefetch((p), 0, 1) +#define prefetch_en(p) __builtin_prefetch((p), 0, 0) +#define prefetch_m(p) __builtin_prefetch((p), 1, 1) +#define prefetch_men(p) __builtin_prefetch((p), 1, 0) #define cmpbge __builtin_alpha_cmpbge /* Avoid warnings. */ #define extql(a, b) __builtin_alpha_extql(a, (uint64_t) (b)) @@ -109,6 +98,24 @@ struct unaligned_long { uint64_t l; } __attribute__((packed)); #define amask __builtin_alpha_amask #define implver __builtin_alpha_implver #define rpcc __builtin_alpha_rpcc +#else +#define prefetch(p) asm volatile("ldl $31,%0" : : "m"(*(const char *) (p)) : "memory") +#define prefetch_en(p) asm volatile("ldq $31,%0" : : "m"(*(const char *) (p)) : "memory") +#define prefetch_m(p) asm volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory") +#define prefetch_men(p) asm volatile("ldt $f31,%0" : : "m"(*(const char *) (p)) : "memory") +#define cmpbge(a, b) ({ uint64_t __r; asm ("cmpbge %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) +#define extql(a, b) ({ uint64_t __r; asm ("extql %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) +#define extwl(a, b) ({ uint64_t __r; asm ("extwl %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) +#define extqh(a, b) ({ uint64_t __r; asm ("extqh %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) +#define zap(a, b) ({ uint64_t __r; asm ("zap %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) +#define zapnot(a, b) ({ uint64_t __r; asm ("zapnot %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) +#define amask(a) ({ uint64_t __r; asm ("amask %1,%0" : "=r" (__r) : "rI" (a)); __r; }) +#define implver() ({ uint64_t __r; asm ("implver %0" : "=r" (__r)); __r; }) +#define rpcc() ({ uint64_t __r; asm volatile ("rpcc %0" : "=r" (__r)); __r; }) +#endif +#define wh64(p) asm volatile("wh64 (%0)" : : "r"(p) : "memory") + +#if GNUC_PREREQ(3,3) && defined(__alpha_max__) #define minub8 __builtin_alpha_minub8 #define minsb8 __builtin_alpha_minsb8 #define minuw4 __builtin_alpha_minuw4 @@ -123,30 +130,20 @@ struct unaligned_long { uint64_t l; } __attribute__((packed)); #define unpkbl __builtin_alpha_unpkbl #define unpkbw __builtin_alpha_unpkbw #else -#define cmpbge(a, b) ({ uint64_t __r; asm ("cmpbge %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) -#define extql(a, b) ({ uint64_t __r; asm ("extql %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) -#define extwl(a, b) ({ uint64_t __r; asm ("extwl %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) -#define extqh(a, b) ({ uint64_t __r; asm ("extqh %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) -#define zap(a, b) ({ uint64_t __r; asm ("zap %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) -#define zapnot(a, b) ({ uint64_t __r; asm ("zapnot %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) -#define amask(a) ({ uint64_t __r; asm ("amask %1,%0" : "=r" (__r) : "rI" (a)); __r; }) -#define implver() ({ uint64_t __r; asm ("implver %0" : "=r" (__r)); __r; }) -#define rpcc() ({ uint64_t __r; asm volatile ("rpcc %0" : "=r" (__r)); __r; }) -#define minub8(a, b) ({ uint64_t __r; asm ("minub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define minsb8(a, b) ({ uint64_t __r; asm ("minsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define minuw4(a, b) ({ uint64_t __r; asm ("minuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define minsw4(a, b) ({ uint64_t __r; asm ("minsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define maxub8(a, b) ({ uint64_t __r; asm ("maxub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define maxsb8(a, b) ({ uint64_t __r; asm ("maxsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define maxuw4(a, b) ({ uint64_t __r; asm ("maxuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define maxsw4(a, b) ({ uint64_t __r; asm ("maxsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) -#define perr(a, b) ({ uint64_t __r; asm ("perr %r1,%r2,%0" : "=r" (__r) : "%rJ" (a), "rJ" (b)); __r; }) -#define pklb(a) ({ uint64_t __r; asm ("pklb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) -#define pkwb(a) ({ uint64_t __r; asm ("pkwb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) -#define unpkbl(a) ({ uint64_t __r; asm ("unpkbl %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) -#define unpkbw(a) ({ uint64_t __r; asm ("unpkbw %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) +#define minub8(a, b) ({ uint64_t __r; asm (".arch ev6; minub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define minsb8(a, b) ({ uint64_t __r; asm (".arch ev6; minsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define minuw4(a, b) ({ uint64_t __r; asm (".arch ev6; minuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define minsw4(a, b) ({ uint64_t __r; asm (".arch ev6; minsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define maxub8(a, b) ({ uint64_t __r; asm (".arch ev6; maxub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define maxsb8(a, b) ({ uint64_t __r; asm (".arch ev6; maxsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define maxuw4(a, b) ({ uint64_t __r; asm (".arch ev6; maxuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define maxsw4(a, b) ({ uint64_t __r; asm (".arch ev6; maxsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) +#define perr(a, b) ({ uint64_t __r; asm (".arch ev6; perr %r1,%r2,%0" : "=r" (__r) : "%rJ" (a), "rJ" (b)); __r; }) +#define pklb(a) ({ uint64_t __r; asm (".arch ev6; pklb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) +#define pkwb(a) ({ uint64_t __r; asm (".arch ev6; pkwb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) +#define unpkbl(a) ({ uint64_t __r; asm (".arch ev6; unpkbl %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) +#define unpkbw(a) ({ uint64_t __r; asm (".arch ev6; unpkbw %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) #endif -#define wh64(p) asm volatile("wh64 (%0)" : : "r"(p) : "memory") #elif defined(__DECC) /* Digital/Compaq/hp "ccc" compiler */ diff --git a/libmpeg2/attributes.h b/libmpeg2/attributes.h index 96a86b26c0..eefbc0dd1b 100644 --- a/libmpeg2/attributes.h +++ b/libmpeg2/attributes.h @@ -1,6 +1,6 @@ /* * attributes.h - * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> + * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org> * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> * * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. diff --git a/libmpeg2/convert.h b/libmpeg2/convert.h deleted file mode 100644 index fd51fd84c2..0000000000 --- a/libmpeg2/convert.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * convert.h - * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> - * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - * - * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. - * See http://libmpeg2.sourceforge.net/ for updates. - * - * mpeg2dec is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * mpeg2dec 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef CONVERT_H -#define CONVERT_H - -#define CONVERT_FRAME 0 -#define CONVERT_TOP_FIELD 1 -#define CONVERT_BOTTOM_FIELD 2 -#define CONVERT_BOTH_FIELDS 3 - -typedef struct convert_init_s { - void * id; - int id_size; - int buf_size[3]; - void (* start) (void * id, uint8_t * const * dest, int flags); - void (* copy) (void * id, uint8_t * const * src, unsigned int v_offset); -} convert_init_t; - -typedef void convert_t (int width, int height, uint32_t accel, void * arg, - convert_init_t * result); - -convert_t convert_rgb32; -convert_t convert_rgb24; -convert_t convert_rgb16; -convert_t convert_rgb15; -convert_t convert_bgr32; -convert_t convert_bgr24; -convert_t convert_bgr16; -convert_t convert_bgr15; - -#define CONVERT_RGB 0 -#define CONVERT_BGR 1 -convert_t * convert_rgb (int order, int bpp); - -#endif /* CONVERT_H */ diff --git a/libmpeg2/cpu_accel.c b/libmpeg2/cpu_accel.c index c2c91e5c0a..e87f5b20a9 100644 --- a/libmpeg2/cpu_accel.c +++ b/libmpeg2/cpu_accel.c @@ -26,6 +26,8 @@ #include <inttypes.h> #include "mpeg2.h" +#include "attributes.h" +#include "mpeg2_internal.h" #ifdef ACCEL_DETECT #ifdef ARCH_X86 @@ -35,7 +37,7 @@ static inline uint32_t arch_accel (void) int AMD; uint32_t caps; -#ifndef PIC +#if !defined(PIC) && !defined(__PIC__) #define cpuid(op,eax,ebx,ecx,edx) \ __asm__ ("cpuid" \ : "=a" (eax), \ @@ -106,7 +108,7 @@ static inline uint32_t arch_accel (void) } #endif /* ARCH_X86 */ -#ifdef ARCH_PPC +#if defined(ARCH_PPC) || defined(ARCH_SPARC) #include <signal.h> #include <setjmp.h> @@ -124,6 +126,7 @@ static RETSIGTYPE sigill_handler (int sig) siglongjmp (jmpbuf, 1); } +#ifdef ARCH_PPC static inline uint32_t arch_accel (void) { static RETSIGTYPE (* oldsig) (int); @@ -146,11 +149,49 @@ static inline uint32_t arch_accel (void) : : "r" (-1)); + canjump = 0; + signal (SIGILL, oldsig); return MPEG2_ACCEL_PPC_ALTIVEC; } #endif /* ARCH_PPC */ +#ifdef ARCH_SPARC +static inline uint32_t arch_accel (void) +{ + static RETSIGTYPE (* oldsig) (int); + + oldsig = signal (SIGILL, sigill_handler); + if (sigsetjmp (jmpbuf, 1)) { + signal (SIGILL, oldsig); + return 0; + } + + canjump = 1; + + /* pdist %f0, %f0, %f0 */ + __asm__ __volatile__(".word\t0x81b007c0"); + + canjump = 0; + + if (sigsetjmp (jmpbuf, 1)) { + signal (SIGILL, oldsig); + return MPEG2_ACCEL_SPARC_VIS; + } + + canjump = 1; + + /* edge8n %g0, %g0, %g0 */ + __asm__ __volatile__(".word\t0x81b00020"); + + canjump = 0; + + signal (SIGILL, oldsig); + return MPEG2_ACCEL_SPARC_VIS | MPEG2_ACCEL_SPARC_VIS2; +} +#endif /* ARCH_SPARC */ +#endif /* ARCH_PPC || ARCH_SPARC */ + #ifdef ARCH_ALPHA static inline uint32_t arch_accel (void) { @@ -167,7 +208,7 @@ static inline uint32_t arch_accel (void) #endif } #endif /* ARCH_ALPHA */ -#endif +#endif /* ACCEL_DETECT */ uint32_t mpeg2_detect_accel (void) { @@ -175,11 +216,8 @@ uint32_t mpeg2_detect_accel (void) accel = 0; #ifdef ACCEL_DETECT -#ifdef LIBMPEG2_MLIB - accel = MPEG2_ACCEL_MLIB; -#endif -#if defined (ARCH_X86) || defined (ARCH_PPC) || defined (ARCH_ALPHA) - accel |= arch_accel (); +#if defined (ARCH_X86) || defined (ARCH_PPC) || defined (ARCH_ALPHA) || defined (ARCH_SPARC) + accel = arch_accel (); #endif #endif return accel; diff --git a/libmpeg2/cpu_state.c b/libmpeg2/cpu_state.c index e6544c6904..2a032dec00 100644 --- a/libmpeg2/cpu_state.c +++ b/libmpeg2/cpu_state.c @@ -27,8 +27,8 @@ #include <inttypes.h> #include "mpeg2.h" -#include "mpeg2_internal.h" #include "attributes.h" +#include "mpeg2_internal.h" #ifdef ARCH_X86 #include "mmx.h" #endif @@ -43,7 +43,7 @@ static void state_restore_mmx (cpu_state_t * state) } #endif -#if defined(ARCH_PPC) && defined(HAVE_ALTIVEC) +#ifdef ARCH_PPC #ifdef HAVE_ALTIVEC_H /* gnu */ #define LI(a,b) "li " #a "," #b "\n\t" #define STVX0(a,b,c) "stvx " #a ",0," #c "\n\t" diff --git a/libmpeg2/decode.c b/libmpeg2/decode.c index fa87a824c1..bba2af4954 100644 --- a/libmpeg2/decode.c +++ b/libmpeg2/decode.c @@ -1,6 +1,6 @@ /* * decode.c - * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> + * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org> * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> * * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. @@ -28,8 +28,8 @@ #include <inttypes.h> #include "mpeg2.h" +#include "attributes.h" #include "mpeg2_internal.h" -#include "convert.h" static int mpeg2_accels = 0; @@ -44,7 +44,6 @@ static inline int skip_chunk (mpeg2dec_t * mpeg2dec, int bytes) { uint8_t * current; uint32_t shift; - uint8_t * chunk_ptr; uint8_t * limit; uint8_t byte; @@ -53,7 +52,6 @@ static inline int skip_chunk (mpeg2dec_t * mpeg2dec, int bytes) current = mpeg2dec->buf_start; shift = mpeg2dec->shift; - chunk_ptr = mpeg2dec->chunk_ptr; limit = current + bytes; do { @@ -116,69 +114,54 @@ void mpeg2_buffer (mpeg2dec_t * mpeg2dec, uint8_t * start, uint8_t * end) mpeg2dec->buf_end = end; } -static inline int seek_chunk (mpeg2dec_t * mpeg2dec) +int mpeg2_getpos (mpeg2dec_t * mpeg2dec) +{ + return mpeg2dec->buf_end - mpeg2dec->buf_start; +} + +static inline mpeg2_state_t seek_chunk (mpeg2dec_t * mpeg2dec) { int size, skipped; size = mpeg2dec->buf_end - mpeg2dec->buf_start; skipped = skip_chunk (mpeg2dec, size); if (!skipped) { - mpeg2dec->bytes_since_pts += size; - return -1; + mpeg2dec->bytes_since_tag += size; + return STATE_BUFFER; } - mpeg2dec->bytes_since_pts += skipped; + mpeg2dec->bytes_since_tag += skipped; mpeg2dec->code = mpeg2dec->buf_start[-1]; - return 0; + return (mpeg2_state_t)-1; } -int mpeg2_seek_header (mpeg2dec_t * mpeg2dec) +mpeg2_state_t mpeg2_seek_header (mpeg2dec_t * mpeg2dec) { while (mpeg2dec->code != 0xb3 && ((mpeg2dec->code != 0xb7 && mpeg2dec->code != 0xb8 && - mpeg2dec->code) || mpeg2dec->sequence.width == -1)) - if (seek_chunk (mpeg2dec)) - return -1; + mpeg2dec->code) || mpeg2dec->sequence.width == (unsigned)-1)) + if (seek_chunk (mpeg2dec) == STATE_BUFFER) + return STATE_BUFFER; mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer; - return mpeg2_parse_header (mpeg2dec); -} - -int mpeg2_seek_sequence (mpeg2dec_t * mpeg2dec) -{ - mpeg2dec->sequence.width = -1; - return mpeg2_seek_header (mpeg2dec); + mpeg2dec->user_data_len = 0; + return (mpeg2dec->code ? mpeg2_parse_header (mpeg2dec) : + mpeg2_header_picture_start (mpeg2dec)); } #define RECEIVED(code,state) (((state) << 8) + (code)) -int mpeg2_parse (mpeg2dec_t * mpeg2dec) +mpeg2_state_t mpeg2_parse (mpeg2dec_t * mpeg2dec) { int size_buffer, size_chunk, copied; - if(mpeg2dec->code==0xff){ - // FIXME: we need to resync stream (esp. mpeg2dec-->code) as we - // left parser at 0x1FF last time at the end of prev. chunk. - // Why? mpeg2dec->action is set to mpeg2_header_picture_start, but - // it will call mpeg2_parse_header() too... - // - // following code copied from mpeg2_seek_header(): - while (mpeg2dec->code != 0xb3 && - ((mpeg2dec->code != 0xb7 && mpeg2dec->code != 0xb8 && - mpeg2dec->code) || mpeg2dec->sequence.width == -1)) - if (seek_chunk (mpeg2dec)) - return -1; - mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer; - } - if (mpeg2dec->action) { - int state; + mpeg2_state_t state; state = mpeg2dec->action (mpeg2dec); - if (state) + if ((int)state >= 0) return state; } - + while (1) { - //printf("code=0x%X \n",mpeg2dec->code); while ((unsigned) (mpeg2dec->code - mpeg2dec->first_decode_slice) < mpeg2dec->nb_decode_slices) { size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start; @@ -187,20 +170,20 @@ int mpeg2_parse (mpeg2dec_t * mpeg2dec) if (size_buffer <= size_chunk) { copied = copy_chunk (mpeg2dec, size_buffer); if (!copied) { - mpeg2dec->bytes_since_pts += size_buffer; + mpeg2dec->bytes_since_tag += size_buffer; mpeg2dec->chunk_ptr += size_buffer; - return -1; + return STATE_BUFFER; } } else { copied = copy_chunk (mpeg2dec, size_chunk); if (!copied) { /* filled the chunk buffer without finding a start code */ - mpeg2dec->bytes_since_pts += size_chunk; + mpeg2dec->bytes_since_tag += size_chunk; mpeg2dec->action = seek_chunk; return STATE_INVALID; } } - mpeg2dec->bytes_since_pts += copied; + mpeg2dec->bytes_since_tag += copied; mpeg2_slice (&(mpeg2dec->decoder), mpeg2dec->code, mpeg2dec->chunk_start); @@ -209,37 +192,29 @@ int mpeg2_parse (mpeg2dec_t * mpeg2dec) } if ((unsigned) (mpeg2dec->code - 1) >= 0xb0 - 1) break; - if (seek_chunk (mpeg2dec)) - return -1; - } - - //printf("next_code=0x%X state=%d \n",mpeg2dec->code,mpeg2dec->state); - - if(mpeg2dec->code==0xff){ - mpeg2dec->action = mpeg2_header_picture_start; //mpeg2_seek_header; - return mpeg2dec->state; + if (seek_chunk (mpeg2dec) == STATE_BUFFER) + return STATE_BUFFER; } - switch (RECEIVED (mpeg2dec->code, mpeg2dec->state)) { - case RECEIVED (0x00, STATE_SLICE_1ST): - case RECEIVED (0x00, STATE_SLICE): + switch (mpeg2dec->code) { + case 0x00: mpeg2dec->action = mpeg2_header_picture_start; - break; - case RECEIVED (0xb7, STATE_SLICE): + return mpeg2dec->state; + case 0xb7: mpeg2dec->action = mpeg2_header_end; break; - case RECEIVED (0xb3, STATE_SLICE): - case RECEIVED (0xb8, STATE_SLICE): + case 0xb3: + case 0xb8: mpeg2dec->action = mpeg2_parse_header; break; default: - mpeg2dec->action = mpeg2_seek_header; + mpeg2dec->action = seek_chunk; return STATE_INVALID; } - return mpeg2dec->state; + return (mpeg2dec->state == STATE_SLICE) ? STATE_SLICE : STATE_INVALID; } -int mpeg2_parse_header (mpeg2dec_t * mpeg2dec) +mpeg2_state_t mpeg2_parse_header (mpeg2dec_t * mpeg2dec) { static int (* process_header[]) (mpeg2dec_t * mpeg2dec) = { mpeg2_header_picture, mpeg2_header_extension, mpeg2_header_user_data, @@ -248,6 +223,7 @@ int mpeg2_parse_header (mpeg2dec_t * mpeg2dec) int size_buffer, size_chunk, copied; mpeg2dec->action = mpeg2_parse_header; + mpeg2dec->info.user_data = NULL; mpeg2dec->info.user_data_len = 0; while (1) { size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start; size_chunk = (mpeg2dec->chunk_buffer + BUFFER_SIZE - @@ -255,26 +231,21 @@ int mpeg2_parse_header (mpeg2dec_t * mpeg2dec) if (size_buffer <= size_chunk) { copied = copy_chunk (mpeg2dec, size_buffer); if (!copied) { - mpeg2dec->bytes_since_pts += size_buffer; + mpeg2dec->bytes_since_tag += size_buffer; mpeg2dec->chunk_ptr += size_buffer; - return -1; + return STATE_BUFFER; } } else { copied = copy_chunk (mpeg2dec, size_chunk); if (!copied) { /* filled the chunk buffer without finding a start code */ - mpeg2dec->bytes_since_pts += size_chunk; + mpeg2dec->bytes_since_tag += size_chunk; mpeg2dec->code = 0xb4; mpeg2dec->action = mpeg2_seek_header; return STATE_INVALID; } } - mpeg2dec->bytes_since_pts += copied; - - //printf("header_code=0x%X state=%d \n",mpeg2dec->code,mpeg2dec->state); - -// if(!mpeg2dec->code && mpeg2dec->state==7) - + mpeg2dec->bytes_since_tag += copied; if (process_header[mpeg2dec->code & 0x0b] (mpeg2dec)) { mpeg2dec->code = mpeg2dec->buf_start[-1]; @@ -283,9 +254,6 @@ int mpeg2_parse_header (mpeg2dec_t * mpeg2dec) } mpeg2dec->code = mpeg2dec->buf_start[-1]; - - //printf("next_header_code=0x%X state=%d \n",mpeg2dec->code,mpeg2dec->state); - switch (RECEIVED (mpeg2dec->code, mpeg2dec->state)) { /* state transition after a sequence header */ @@ -297,10 +265,12 @@ int mpeg2_parse_header (mpeg2dec_t * mpeg2dec) /* other legal state transitions */ case RECEIVED (0x00, STATE_GOP): + mpeg2_header_gop_finalize (mpeg2dec); mpeg2dec->action = mpeg2_header_picture_start; break; case RECEIVED (0x01, STATE_PICTURE): case RECEIVED (0x01, STATE_PICTURE_2ND): + mpeg2_header_picture_finalize (mpeg2dec, mpeg2_accels); mpeg2dec->action = mpeg2_header_slice_start; break; @@ -321,56 +291,58 @@ int mpeg2_parse_header (mpeg2dec_t * mpeg2dec) } mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer; + mpeg2dec->user_data_len = 0; return mpeg2dec->state; } } -void mpeg2_convert (mpeg2dec_t * mpeg2dec, - void (* convert) (int, int, uint32_t, void *, - struct convert_init_s *), void * arg) +int mpeg2_convert (mpeg2dec_t * mpeg2dec, mpeg2_convert_t convert, void * arg) { - convert_init_t convert_init; - int size; - - convert_init.id = NULL; - convert (mpeg2dec->decoder.width, mpeg2dec->decoder.height, - mpeg2_accels, arg, &convert_init); - if (convert_init.id_size) { - convert_init.id = mpeg2dec->convert_id = - mpeg2_malloc (convert_init.id_size, ALLOC_CONVERT_ID); - convert (mpeg2dec->decoder.width, mpeg2dec->decoder.height, - mpeg2_accels, arg, &convert_init); + mpeg2_convert_init_t convert_init; + int error; + + error = convert (MPEG2_CONVERT_SET, NULL, &(mpeg2dec->sequence), 0, + mpeg2_accels, arg, &convert_init); + if (!error) { + mpeg2dec->convert = convert; + mpeg2dec->convert_arg = arg; + mpeg2dec->convert_id_size = convert_init.id_size; + mpeg2dec->convert_stride = 0; } - mpeg2dec->convert_size[0] = size = convert_init.buf_size[0]; - mpeg2dec->convert_size[1] = size += convert_init.buf_size[1]; - mpeg2dec->convert_size[2] = size += convert_init.buf_size[2]; - mpeg2dec->convert_start = convert_init.start; - mpeg2dec->convert_copy = convert_init.copy; - - size = mpeg2dec->decoder.width * mpeg2dec->decoder.height >> 2; - mpeg2dec->yuv_buf[0][0] = (uint8_t *) mpeg2_malloc (6 * size, ALLOC_YUV); - mpeg2dec->yuv_buf[0][1] = mpeg2dec->yuv_buf[0][0] + 4 * size; - mpeg2dec->yuv_buf[0][2] = mpeg2dec->yuv_buf[0][0] + 5 * size; - mpeg2dec->yuv_buf[1][0] = (uint8_t *) mpeg2_malloc (6 * size, ALLOC_YUV); - mpeg2dec->yuv_buf[1][1] = mpeg2dec->yuv_buf[1][0] + 4 * size; - mpeg2dec->yuv_buf[1][2] = mpeg2dec->yuv_buf[1][0] + 5 * size; - size = mpeg2dec->decoder.width * 8; - mpeg2dec->yuv_buf[2][0] = (uint8_t *) mpeg2_malloc (6 * size, ALLOC_YUV); - mpeg2dec->yuv_buf[2][1] = mpeg2dec->yuv_buf[2][0] + 4 * size; - mpeg2dec->yuv_buf[2][2] = mpeg2dec->yuv_buf[2][0] + 5 * size; + return error; +} + +int mpeg2_stride (mpeg2dec_t * mpeg2dec, int stride) +{ + if (!mpeg2dec->convert) { + if (stride < (int) mpeg2dec->sequence.width) + stride = mpeg2dec->sequence.width; + mpeg2dec->decoder.stride_frame = stride; + } else { + mpeg2_convert_init_t convert_init; + + stride = mpeg2dec->convert (MPEG2_CONVERT_STRIDE, NULL, + &(mpeg2dec->sequence), stride, + mpeg2_accels, mpeg2dec->convert_arg, + &convert_init); + mpeg2dec->convert_id_size = convert_init.id_size; + mpeg2dec->convert_stride = stride; + } + return stride; } void mpeg2_set_buf (mpeg2dec_t * mpeg2dec, uint8_t * buf[3], void * id) { - fbuf_t * fbuf; + mpeg2_fbuf_t * fbuf; if (mpeg2dec->custom_fbuf) { - mpeg2_set_fbuf (mpeg2dec, mpeg2dec->decoder.coding_type); - fbuf = mpeg2dec->fbuf[0]; if (mpeg2dec->state == STATE_SEQUENCE) { mpeg2dec->fbuf[2] = mpeg2dec->fbuf[1]; mpeg2dec->fbuf[1] = mpeg2dec->fbuf[0]; } + mpeg2_set_fbuf (mpeg2dec, (mpeg2dec->decoder.coding_type == + PIC_FLAG_CODING_TYPE_B)); + fbuf = mpeg2dec->fbuf[0]; } else { fbuf = &(mpeg2dec->fbuf_alloc[mpeg2dec->alloc_index].fbuf); mpeg2dec->alloc_index_user = ++mpeg2dec->alloc_index; @@ -409,12 +381,14 @@ void mpeg2_slice_region (mpeg2dec_t * mpeg2dec, int start, int end) mpeg2dec->nb_decode_slices = end - start; } -void mpeg2_pts (mpeg2dec_t * mpeg2dec, uint32_t pts) +void mpeg2_tag_picture (mpeg2dec_t * mpeg2dec, uint32_t tag, uint32_t tag2) { - mpeg2dec->pts_previous = mpeg2dec->pts_current; - mpeg2dec->pts_current = pts; - mpeg2dec->num_pts++; - mpeg2dec->bytes_since_pts = 0; + mpeg2dec->tag_previous = mpeg2dec->tag_current; + mpeg2dec->tag2_previous = mpeg2dec->tag2_current; + mpeg2dec->tag_current = tag; + mpeg2dec->tag2_current = tag2; |