diff options
Diffstat (limited to 'apps/plugins/mpegplayer/alloc.c')
| -rw-r--r-- | apps/plugins/mpegplayer/alloc.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/apps/plugins/mpegplayer/alloc.c b/apps/plugins/mpegplayer/alloc.c deleted file mode 100644 index cbf930a7eb..0000000000 --- a/apps/plugins/mpegplayer/alloc.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * alloc.c - * 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. - * 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 - * - * $Id$ - * libmpeg2 sync history: - * 2008-07-01 - CVS revision 1.13 - */ - -#include "plugin.h" -#include "mpegplayer.h" -#include <system.h> - -/* Main allocator */ -static off_t mem_ptr; -static size_t bufsize; -static unsigned char* mallocbuf; - -/* libmpeg2 allocator */ -static off_t mpeg2_mem_ptr SHAREDBSS_ATTR; -static size_t mpeg2_bufsize SHAREDBSS_ATTR; -static unsigned char *mpeg2_mallocbuf SHAREDBSS_ATTR; -static unsigned char *mpeg2_bufallocbuf SHAREDBSS_ATTR; - -#if defined(DEBUG) || defined(SIMULATOR) -const char * mpeg_get_reason_str(int reason) -{ - const char *str; - - switch (reason) - { - case MPEG2_ALLOC_MPEG2DEC: - str = "MPEG2_ALLOC_MPEG2DEC"; - break; - case MPEG2_ALLOC_CHUNK: - str = "MPEG2_ALLOC_CHUNK"; - break; - case MPEG2_ALLOC_YUV: - str = "MPEG2_ALLOC_YUV"; - break; - case MPEG2_ALLOC_CONVERT_ID: - str = "MPEG2_ALLOC_CONVERT_ID"; - break; - case MPEG2_ALLOC_CONVERTED: - str = "MPEG2_ALLOC_CONVERTED"; - break; - case MPEG_ALLOC_MPEG2_BUFFER: - str = "MPEG_ALLOC_MPEG2_BUFFER"; - break; - case MPEG_ALLOC_AUDIOBUF: - str = "MPEG_ALLOC_AUDIOBUF"; - break; - case MPEG_ALLOC_PCMOUT: - str = "MPEG_ALLOC_PCMOUT"; - break; - case MPEG_ALLOC_DISKBUF: - str = "MPEG_ALLOC_DISKBUF"; - break; - case MPEG_ALLOC_CODEC_MALLOC: - str = "MPEG_ALLOC_CODEC_MALLOC"; - break; - case MPEG_ALLOC_CODEC_CALLOC: - str = "MPEG_ALLOC_CODEC_CALLOC"; - break; - default: - str = "Unknown"; - } - - return str; -} -#endif - -static void * mpeg_malloc_internal (unsigned char *mallocbuf, - off_t *mem_ptr, - size_t bufsize, - unsigned size, - int reason) -{ - void *x; - - DEBUGF("mpeg_alloc_internal: bs:%lu s:%u reason:%s (%d)\n", - (unsigned long)bufsize, size, mpeg_get_reason_str(reason), reason); - - if ((size_t) (*mem_ptr + size) > bufsize) - { - DEBUGF("OUT OF MEMORY\n"); - return NULL; - } - - x = &mallocbuf[*mem_ptr]; - *mem_ptr += (size + 3) & ~3; /* Keep memory 32-bit aligned */ - - return x; - (void)reason; -} - -void *mpeg_malloc(size_t size, mpeg2_alloc_t reason) -{ - return mpeg_malloc_internal(mallocbuf, &mem_ptr, bufsize, size, - reason); -} - -void *mpeg_malloc_all(size_t *size_out, mpeg2_alloc_t reason) -{ - /* Can steal all but MIN_MEMMARGIN */ - if (bufsize - mem_ptr < MIN_MEMMARGIN) - return NULL; - - *size_out = bufsize - mem_ptr - MIN_MEMMARGIN; - return mpeg_malloc(*size_out, reason); -} - -bool mpeg_alloc_init(unsigned char *buf, size_t mallocsize) -{ - mem_ptr = 0; - /* Cache-align buffer or 4-byte align */ - mallocbuf = buf; - bufsize = mallocsize; - ALIGN_BUFFER(mallocbuf, bufsize, CACHEALIGN_UP(4)); - - /* Separate allocator for video */ - mpeg2_mem_ptr = 0; - mpeg2_mallocbuf = mallocbuf; - mpeg2_bufallocbuf = mallocbuf; - mpeg2_bufsize = CACHEALIGN_UP(LIBMPEG2_ALLOC_SIZE); - - if (mpeg_malloc_internal(mallocbuf, &mem_ptr, - bufsize, mpeg2_bufsize, - MPEG_ALLOC_MPEG2_BUFFER) == NULL) - { - return false; - } - - IF_COP(rb->commit_discard_dcache()); - return true; -} - -/* allocate non-dedicated buffer space which mpeg2_mem_reset will free */ -void * mpeg2_malloc(unsigned size, mpeg2_alloc_t reason) -{ - void *ptr = mpeg_malloc_internal(mpeg2_mallocbuf, &mpeg2_mem_ptr, - mpeg2_bufsize, size, reason); - /* libmpeg2 expects zero-initialized allocations */ - if (ptr) - rb->memset(ptr, 0, size); - - return ptr; -} - -/* allocate dedicated buffer - memory behind buffer pointer becomes dedicated - so order is important */ -void * mpeg2_bufalloc(unsigned size, mpeg2_alloc_t reason) -{ - void *buf = mpeg2_malloc(size, reason); - - if (buf == NULL) - return NULL; - - mpeg2_bufallocbuf = &mpeg2_mallocbuf[mpeg2_mem_ptr]; - return buf; -} - -/* return unused buffer portion and size */ -void * mpeg2_get_buf(size_t *size) -{ - if ((size_t)mpeg2_mem_ptr + 32 >= mpeg2_bufsize) - return NULL; - - *size = mpeg2_bufsize - mpeg2_mem_ptr; - return &mpeg2_mallocbuf[mpeg2_mem_ptr]; -} - -/* de-allocate all non-dedicated buffer space */ -void mpeg2_mem_reset(void) -{ - DEBUGF("mpeg2_mem_reset\n"); - mpeg2_mem_ptr = mpeg2_bufallocbuf - mpeg2_mallocbuf; -} - -/* The following are expected by libmad */ -void * codec_malloc(size_t size) -{ - void* ptr; - - ptr = mpeg_malloc_internal(mallocbuf, &mem_ptr, - bufsize, size, MPEG_ALLOC_CODEC_MALLOC); - - if (ptr) - rb->memset(ptr,0,size); - - return ptr; -} - -void * codec_calloc(size_t nmemb, size_t size) -{ - void* ptr; - - ptr = mpeg_malloc_internal(mallocbuf, &mem_ptr, - bufsize, nmemb*size, - MPEG_ALLOC_CODEC_CALLOC); - - if (ptr) - rb->memset(ptr,0,size); - - return ptr; -} - -void codec_free(void* ptr) -{ - DEBUGF("codec_free - %p\n", ptr); -#if 0 - mem_ptr = (void *)ptr - (void *)mallocbuf; -#endif - (void)ptr; -} |