+++ /dev/null
-/*
- * 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) {
- fprintf(stderr, "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) {
- fprintf(stderr, "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 {
- printf("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;
-}
projects / synfig.git / blobdiff