diff options
| -rw-r--r-- | src/libffmpeg/libavcodec/common.c | 292 | ||||
| -rw-r--r-- | src/libffmpeg/libavcodec/opts.c | 208 |
2 files changed, 0 insertions, 500 deletions
diff --git a/src/libffmpeg/libavcodec/common.c b/src/libffmpeg/libavcodec/common.c deleted file mode 100644 index 72172fa4f..000000000 --- a/src/libffmpeg/libavcodec/common.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * Common bit i/o utils - * Copyright (c) 2000, 2001 Fabrice Bellard. - * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * alternative bitstream reader & writer by Michael Niedermayer <michaelni@gmx.at> - */ - -/** - * @file common.c - * common internal api. - */ - -#include "avcodec.h" - -const uint8_t ff_sqrt_tab[128]={ - 0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,11,11,11,11,11,11,11 -}; - -const uint8_t ff_log2_tab[256]={ - 0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, - 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 -}; - -void align_put_bits(PutBitContext *s) -{ -#ifdef ALT_BITSTREAM_WRITER - put_bits(s,( - s->index) & 7,0); -#else - put_bits(s,s->bit_left & 7,0); -#endif -} - -void put_string(PutBitContext * pbc, char *s, int put_zero) -{ - while(*s){ - put_bits(pbc, 8, *s); - s++; - } - if(put_zero) - put_bits(pbc, 8, 0); -} - -/* bit input functions */ - -/** - * reads 0-32 bits. - */ -unsigned int get_bits_long(GetBitContext *s, int n){ - if(n<=17) return get_bits(s, n); - else{ - int ret= get_bits(s, 16) << (n-16); - return ret | get_bits(s, n-16); - } -} - -/** - * shows 0-32 bits. - */ -unsigned int show_bits_long(GetBitContext *s, int n){ - if(n<=17) return show_bits(s, n); - else{ - GetBitContext gb= *s; - int ret= get_bits_long(s, n); - *s= gb; - return ret; - } -} - -void align_get_bits(GetBitContext *s) -{ - int n= (-get_bits_count(s)) & 7; - if(n) skip_bits(s, n); -} - -int check_marker(GetBitContext *s, const char *msg) -{ - int bit= get_bits1(s); - if(!bit) - av_log(NULL, AV_LOG_INFO, "Marker bit missing %s\n", msg); - - return bit; -} - -/* VLC decoding */ - -//#define DEBUG_VLC - -#define GET_DATA(v, table, i, wrap, size) \ -{\ - const uint8_t *ptr = (const uint8_t *)table + i * wrap;\ - switch(size) {\ - case 1:\ - v = *(const uint8_t *)ptr;\ - break;\ - case 2:\ - v = *(const uint16_t *)ptr;\ - break;\ - default:\ - v = *(const uint32_t *)ptr;\ - break;\ - }\ -} - - -static int alloc_table(VLC *vlc, int size) -{ - int index; - index = vlc->table_size; - vlc->table_size += size; - if (vlc->table_size > vlc->table_allocated) { - vlc->table_allocated += (1 << vlc->bits); - vlc->table = av_realloc(vlc->table, - sizeof(VLC_TYPE) * 2 * vlc->table_allocated); - if (!vlc->table) - return -1; - } - return index; -} - -static int build_table(VLC *vlc, int table_nb_bits, - int nb_codes, - const void *bits, int bits_wrap, int bits_size, - const void *codes, int codes_wrap, int codes_size, - uint32_t code_prefix, int n_prefix) -{ - int i, j, k, n, table_size, table_index, nb, n1, index; - uint32_t code; - VLC_TYPE (*table)[2]; - - table_size = 1 << table_nb_bits; - table_index = alloc_table(vlc, table_size); -#ifdef DEBUG_VLC - printf("new table index=%d size=%d code_prefix=%x n=%d\n", - table_index, table_size, code_prefix, n_prefix); -#endif - if (table_index < 0) - return -1; - table = &vlc->table[table_index]; - - for(i=0;i<table_size;i++) { - table[i][1] = 0; //bits - table[i][0] = -1; //codes - } - - /* first pass: map codes and compute auxillary table sizes */ - for(i=0;i<nb_codes;i++) { - GET_DATA(n, bits, i, bits_wrap, bits_size); - GET_DATA(code, codes, i, codes_wrap, codes_size); - /* we accept tables with holes */ - if (n <= 0) - continue; -#if defined(DEBUG_VLC) && 0 - printf("i=%d n=%d code=0x%x\n", i, n, code); -#endif - /* if code matches the prefix, it is in the table */ - n -= n_prefix; - if (n > 0 && (code >> n) == code_prefix) { - if (n <= table_nb_bits) { - /* no need to add another table */ - j = (code << (table_nb_bits - n)) & (table_size - 1); - nb = 1 << (table_nb_bits - n); - for(k=0;k<nb;k++) { -#ifdef DEBUG_VLC - av_log(NULL, AV_LOG_DEBUG, "%4x: code=%d n=%d\n", - j, i, n); -#endif - if (table[j][1] /*bits*/ != 0) { - av_log(NULL, AV_LOG_ERROR, "incorrect codes\n"); - av_abort(); - } - table[j][1] = n; //bits - table[j][0] = i; //code - j++; - } - } else { - n -= table_nb_bits; - j = (code >> n) & ((1 << table_nb_bits) - 1); -#ifdef DEBUG_VLC - printf("%4x: n=%d (subtable)\n", - j, n); -#endif - /* compute table size */ - n1 = -table[j][1]; //bits - if (n > n1) - n1 = n; - table[j][1] = -n1; //bits - } - } - } - - /* second pass : fill auxillary tables recursively */ - for(i=0;i<table_size;i++) { - n = table[i][1]; //bits - if (n < 0) { - n = -n; - if (n > table_nb_bits) { - n = table_nb_bits; - table[i][1] = -n; //bits - } - index = build_table(vlc, n, nb_codes, - bits, bits_wrap, bits_size, - codes, codes_wrap, codes_size, - (code_prefix << table_nb_bits) | i, - n_prefix + table_nb_bits); - if (index < 0) - return -1; - /* note: realloc has been done, so reload tables */ - table = &vlc->table[table_index]; - table[i][0] = index; //code - } - } - return table_index; -} - - -/* Build VLC decoding tables suitable for use with get_vlc(). - - 'nb_bits' set thee decoding table size (2^nb_bits) entries. The - bigger it is, the faster is the decoding. But it should not be too - big to save memory and L1 cache. '9' is a good compromise. - - 'nb_codes' : number of vlcs codes - - 'bits' : table which gives the size (in bits) of each vlc code. - - 'codes' : table which gives the bit pattern of of each vlc code. - - 'xxx_wrap' : give the number of bytes between each entry of the - 'bits' or 'codes' tables. - - 'xxx_size' : gives the number of bytes of each entry of the 'bits' - or 'codes' tables. - - 'wrap' and 'size' allows to use any memory configuration and types - (byte/word/long) to store the 'bits' and 'codes' tables. -*/ -int init_vlc(VLC *vlc, int nb_bits, int nb_codes, - const void *bits, int bits_wrap, int bits_size, - const void *codes, int codes_wrap, int codes_size) -{ - vlc->bits = nb_bits; - vlc->table = NULL; - vlc->table_allocated = 0; - vlc->table_size = 0; -#ifdef DEBUG_VLC - printf("build table nb_codes=%d\n", nb_codes); -#endif - - if (build_table(vlc, nb_bits, nb_codes, - bits, bits_wrap, bits_size, - codes, codes_wrap, codes_size, - 0, 0) < 0) { - av_free(vlc->table); - return -1; - } - return 0; -} - - -void free_vlc(VLC *vlc) -{ - av_free(vlc->table); -} - -int64_t ff_gcd(int64_t a, int64_t b){ - if(b) return ff_gcd(b, a%b); - else return a; -} diff --git a/src/libffmpeg/libavcodec/opts.c b/src/libffmpeg/libavcodec/opts.c deleted file mode 100644 index 6f8d0c4fd..000000000 --- a/src/libffmpeg/libavcodec/opts.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * LGPL - */ - -/** - * @file opts.c - * options parser. - * typical parsed command line: - * msmpeg4:bitrate=720000:qmax=16 - * - */ - -#include "avcodec.h" - -const AVOption avoptions_common[] = { - AVOPTION_CODEC_FLAG("bit_exact", "use only bit-exact stuff", flags, CODEC_FLAG_BITEXACT, 0), - AVOPTION_CODEC_FLAG("mm_force", "force mm flags", dsp_mask, FF_MM_FORCE, 0), -#ifdef HAVE_MMX - AVOPTION_CODEC_FLAG("mm_mmx", "mask MMX feature", dsp_mask, FF_MM_MMX, 0), - AVOPTION_CODEC_FLAG("mm_3dnow", "mask 3DNow feature", dsp_mask, FF_MM_3DNOW, 0), - AVOPTION_CODEC_FLAG("mm_mmxext", "mask MMXEXT (MMX2) feature", dsp_mask, FF_MM_MMXEXT, 0), - AVOPTION_CODEC_FLAG("mm_sse", "mask SSE feature", dsp_mask, FF_MM_SSE, 0), - AVOPTION_CODEC_FLAG("mm_sse2", "mask SSE2 feature", dsp_mask, FF_MM_SSE2, 0), -#endif - AVOPTION_END() -}; - -const AVOption avoptions_workaround_bug[] = { - AVOPTION_CODEC_FLAG("bug_autodetect", "workaround bug autodetection", workaround_bugs, FF_BUG_AUTODETECT, 1), - AVOPTION_CODEC_FLAG("bug_old_msmpeg4", "workaround old msmpeg4 bug", workaround_bugs, FF_BUG_OLD_MSMPEG4, 0), - AVOPTION_CODEC_FLAG("bug_xvid_ilace", "workaround XviD interlace bug", workaround_bugs, FF_BUG_XVID_ILACE, 0), - AVOPTION_CODEC_FLAG("bug_ump4", "workaround ump4 bug", workaround_bugs, FF_BUG_UMP4, 0), - AVOPTION_CODEC_FLAG("bug_no_padding", "workaround padding bug", workaround_bugs, FF_BUG_NO_PADDING, 0), - AVOPTION_CODEC_FLAG("bug_ac_vlc", "workaround ac VLC bug", workaround_bugs, FF_BUG_AC_VLC, 0), - AVOPTION_CODEC_FLAG("bug_qpel_chroma", "workaround qpel chroma bug", workaround_bugs, FF_BUG_QPEL_CHROMA, 0), - AVOPTION_CODEC_FLAG("bug_std_qpel", "workaround std qpel bug", workaround_bugs, FF_BUG_STD_QPEL, 0), - AVOPTION_CODEC_FLAG("bug_qpel_chroma2", "workaround qpel chroma2 bug", workaround_bugs, FF_BUG_QPEL_CHROMA2, 0), - AVOPTION_CODEC_FLAG("bug_direct_blocksize", "workaround direct blocksize bug", workaround_bugs, FF_BUG_DIRECT_BLOCKSIZE, 0), - AVOPTION_END() -}; - -/* avoid compatibility problems by redefining it */ -static int av_strcasecmp(const char *s1, const char *s2) -{ - signed char val; - - for(;;) { - val = toupper(*s1) - toupper(*s2); - if (val != 0) - break; - if (*s1 != '\0') - break; - s1++; - s2++; - } - return val; -} - - -static int parse_bool(const AVOption *c, char *s, int *var) -{ - int b = 1; /* by default -on- when present */ - if (s) { - if (!av_strcasecmp(s, "off") || !av_strcasecmp(s, "false") - || !strcmp(s, "0")) - b = 0; - else if (!av_strcasecmp(s, "on") || !av_strcasecmp(s, "true") - || !strcmp(s, "1")) - b = 1; - else - return -1; - } - - if (c->type == FF_OPT_TYPE_FLAG) { - if (b) - *var |= (int)c->min; - else - *var &= ~(int)c->min; - } else - *var = b; - return 0; -} - -static int parse_double(const AVOption *c, char *s, double *var) -{ - double d; - if (!s) - return -1; - d = atof(s); - if (c->min != c->max) { - if (d < c->min || d > c->max) { - av_log(NULL, AV_LOG_ERROR, "Option: %s double value: %f out of range <%f, %f>\n", - c->name, d, c->min, c->max); - return -1; - } - } - *var = d; - return 0; -} - -static int parse_int(const AVOption* c, char* s, int* var) -{ - int i; - if (!s) - return -1; - i = atoi(s); - if (c->min != c->max) { - if (i < (int)c->min || i > (int)c->max) { - av_log(NULL, AV_LOG_ERROR, "Option: %s integer value: %d out of range <%d, %d>\n", - c->name, i, (int)c->min, (int)c->max); - return -1; - } - } - *var = i; - return 0; -} - -static int parse_string(const AVOption *c, char *s, void* strct, char **var) -{ - if (!s) - return -1; - - if (c->type == FF_OPT_TYPE_RCOVERRIDE) { - int sf, ef, qs; - float qf; - if (sscanf(s, "%d,%d,%d,%f", &sf, &ef, &qs, &qf) == 4 && sf < ef) { - AVCodecContext *avctx = (AVCodecContext *) strct; - RcOverride *o; - avctx->rc_override = av_realloc(avctx->rc_override, - sizeof(RcOverride) * (avctx->rc_override_count + 1)); - o = avctx->rc_override + avctx->rc_override_count++; - o->start_frame = sf; - o->end_frame = ef; - o->qscale = qs; - o->quality_factor = qf; - - //printf("parsed Rc: %d,%d,%d,%f (%d)\n", sf,ef,qs,qf, avctx->rc_override_count); - } else { - av_log(NULL, AV_LOG_ERROR, "incorrect/unparsable Rc: \"%s\"\n", s); - } - } else - *var = av_strdup(s); - return 0; -} - -int avoption_parse(void* strct, const AVOption* list, const char *opts) -{ - int r = 0; - char* dopts = av_strdup(opts); - if (dopts) { - char *str = dopts; - - while (str && *str && r == 0) { - const AVOption *stack[FF_OPT_MAX_DEPTH]; - const AVOption *c = list; - int depth = 0; - char* e = strchr(str, ':'); - char* p; - if (e) - *e++ = 0; - - p = strchr(str, '='); - if (p) - *p++ = 0; - - // going through option structures - for (;;) { - if (!c->name) { - if (c->help) { - stack[depth++] = c; - c = (const AVOption*) c->help; - assert(depth > FF_OPT_MAX_DEPTH); - } else { - if (depth == 0) - break; // finished - c = stack[--depth]; - c++; - } - } else { - if (!strcmp(c->name, str)) { - void* ptr = (char*)strct + c->offset; - - switch (c->type & FF_OPT_TYPE_MASK) { - case FF_OPT_TYPE_BOOL: - r = parse_bool(c, p, (int*)ptr); - break; - case FF_OPT_TYPE_DOUBLE: - r = parse_double(c, p, (double*)ptr); - break; - case FF_OPT_TYPE_INT: - r = parse_int(c, p, (int*)ptr); - break; - case FF_OPT_TYPE_STRING: - r = parse_string(c, p, strct, (char**)ptr); - break; - default: - assert(0 == 1); - } - } - c++; - } - } - str = e; - } - av_free(dopts); - } - return r; -} |