8 * typical parsed command line:
9 * msmpeg4:bitrate=720000:qmax=16
16 extern const AVOption common_options[3 + 5];
18 extern const AVOption common_options[3];
21 const AVOption common_options[] = {
22 AVOPTION_CODEC_FLAG("bit_exact", "use only bit-exact stuff", flags, CODEC_FLAG_BITEXACT, 0),
23 AVOPTION_CODEC_FLAG("mm_force", "force mm flags", dsp_mask, FF_MM_FORCE, 0),
25 AVOPTION_CODEC_FLAG("mm_mmx", "mask MMX feature", dsp_mask, FF_MM_MMX, 0),
26 AVOPTION_CODEC_FLAG("mm_3dnow", "mask 3DNow feature", dsp_mask, FF_MM_3DNOW, 0),
27 AVOPTION_CODEC_FLAG("mm_mmxext", "mask MMXEXT (MMX2) feature", dsp_mask, FF_MM_MMXEXT, 0),
28 AVOPTION_CODEC_FLAG("mm_sse", "mask SSE feature", dsp_mask, FF_MM_SSE, 0),
29 AVOPTION_CODEC_FLAG("mm_sse2", "mask SSE2 feature", dsp_mask, FF_MM_SSE2, 0),
34 static int parse_bool(const AVOption *c, char *s, int *var)
36 int b = 1; /* by default -on- when present */
38 if (!strcasecmp(s, "off") || !strcasecmp(s, "false")
41 else if (!strcasecmp(s, "on") || !strcasecmp(s, "true")
52 static int parse_double(const AVOption *c, char *s, double *var)
58 if (c->min != c->max) {
59 if (d < c->min || d > c->max) {
60 fprintf(stderr, "Option: %s double value: %f out of range <%f, %f>\n",
61 c->name, d, c->min, c->max);
69 static int parse_int(const AVOption* c, char* s, int* var)
75 if (c->min != c->max) {
76 if (i < (int)c->min || i > (int)c->max) {
77 fprintf(stderr, "Option: %s integer value: %d out of range <%d, %d>\n",
78 c->name, i, (int)c->min, (int)c->max);
86 static int parse_string(const AVOption *c, char *s, void* strct, char **var)
91 if (c->type == FF_OPT_TYPE_RCOVERRIDE) {
94 if (sscanf(s, "%d,%d,%d,%f", &sf, &ef, &qs, &qf) == 4 && sf < ef) {
95 AVCodecContext *avctx = (AVCodecContext *) strct;
97 avctx->rc_override = av_realloc(avctx->rc_override,
98 sizeof(RcOverride) * (avctx->rc_override_count + 1));
99 o = avctx->rc_override + avctx->rc_override_count++;
103 o->quality_factor = qf;
105 //printf("parsed Rc: %d,%d,%d,%f (%d)\n", sf,ef,qs,qf, avctx->rc_override_count);
107 printf("incorrect/unparsable Rc: \"%s\"\n", s);
114 int avoption_parse(void* strct, const AVOption* list, const char *opts)
117 char* dopts = av_strdup(opts);
121 while (str && *str && r == 0) {
122 const AVOption *stack[FF_OPT_MAX_DEPTH];
123 const AVOption *c = list;
125 char* e = strchr(str, ':');
130 p = strchr(str, '=');
134 // going through option structures
139 c = (const AVOption*) c->help;
140 assert(depth > FF_OPT_MAX_DEPTH);
148 if (!strcmp(c->name, str)) {
149 void* ptr = (char*)strct + c->offset;
151 switch (c->type & FF_OPT_TYPE_MASK) {
152 case FF_OPT_TYPE_BOOL:
153 r = parse_bool(c, p, (int*)ptr);
155 case FF_OPT_TYPE_DOUBLE:
156 r = parse_double(c, p, (double*)ptr);
158 case FF_OPT_TYPE_INT:
159 r = parse_int(c, p, (int*)ptr);
161 case FF_OPT_TYPE_STRING:
162 r = parse_string(c, p, strct, (char**)ptr);