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Diffstat (limited to 'src/libffmpeg/libavcodec/opt.c')
-rw-r--r--src/libffmpeg/libavcodec/opt.c381
1 files changed, 0 insertions, 381 deletions
diff --git a/src/libffmpeg/libavcodec/opt.c b/src/libffmpeg/libavcodec/opt.c
deleted file mode 100644
index 70babd587..000000000
--- a/src/libffmpeg/libavcodec/opt.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/*
- * AVOptions
- * Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-/**
- * @file opt.c
- * AVOptions
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-#include "avcodec.h"
-#include "opt.h"
-#include "eval.h"
-
-//FIXME order them and do a bin search
-static const AVOption *find_opt(void *v, const char *name, const char *unit){
- AVClass *c= *(AVClass**)v; //FIXME silly way of storing AVClass
- const AVOption *o= c->option;
-
- for(;o && o->name; o++){
- if(!strcmp(o->name, name) && (!unit || !strcmp(o->unit, unit)) )
- return o;
- }
- return NULL;
-}
-
-const AVOption *av_next_option(void *obj, const AVOption *last){
- if(last && last[1].name) return ++last;
- else if(last) return NULL;
- else return (*(AVClass**)obj)->option;
-}
-
-static const AVOption *av_set_number(void *obj, const char *name, double num, int den, int64_t intnum){
- const AVOption *o= find_opt(obj, name, NULL);
- void *dst;
- if(!o || o->offset<=0)
- return NULL;
-
- if(o->max*den < num*intnum || o->min*den > num*intnum) {
- av_log(NULL, AV_LOG_ERROR, "Value %lf for parameter '%s' out of range.\n", num, name);
- return NULL;
- }
-
- dst= ((uint8_t*)obj) + o->offset;
-
- switch(o->type){
- case FF_OPT_TYPE_FLAGS:
- case FF_OPT_TYPE_INT: *(int *)dst= lrintf(num/den)*intnum; break;
- case FF_OPT_TYPE_INT64: *(int64_t *)dst= lrintf(num/den)*intnum; break;
- case FF_OPT_TYPE_FLOAT: *(float *)dst= num*intnum/den; break;
- case FF_OPT_TYPE_DOUBLE:*(double *)dst= num*intnum/den; break;
- case FF_OPT_TYPE_RATIONAL:
- if((int)num == num) *(AVRational*)dst= (AVRational){num*intnum, den};
- else *(AVRational*)dst= av_d2q(num*intnum/den, 1<<24);
- default:
- return NULL;
- }
- return o;
-}
-
-static const AVOption *set_all_opt(void *v, const char *unit, double d){
- AVClass *c= *(AVClass**)v; //FIXME silly way of storing AVClass
- const AVOption *o= c->option;
- const AVOption *ret=NULL;
-
- for(;o && o->name; o++){
- if(o->type != FF_OPT_TYPE_CONST && o->unit && !strcmp(o->unit, unit)){
- double tmp= d;
- if(o->type == FF_OPT_TYPE_FLAGS)
- tmp= av_get_int(v, o->name, NULL) | (int64_t)d;
-
- av_set_number(v, o->name, tmp, 1, 1);
- ret= o;
- }
- }
- return ret;
-}
-
-static double const_values[]={
- M_PI,
- M_E,
- FF_QP2LAMBDA,
- 0
-};
-
-static const char *const_names[]={
- "PI",
- "E",
- "QP2LAMBDA",
- 0
-};
-
-const AVOption *av_set_string(void *obj, const char *name, const char *val){
- const AVOption *o= find_opt(obj, name, NULL);
- if(o && o->offset==0 && o->type == FF_OPT_TYPE_CONST && o->unit){
- return set_all_opt(obj, o->unit, o->default_val);
- }
- if(!o || !val || o->offset<=0)
- return NULL;
- if(o->type != FF_OPT_TYPE_STRING){
- for(;;){
- int i;
- char buf[256];
- int cmd=0;
- double d;
- char *error = NULL;
-
- if(*val == '+' || *val == '-')
- cmd= *(val++);
-
- for(i=0; i<sizeof(buf)-1 && val[i] && val[i]!='+' && val[i]!='-'; i++)
- buf[i]= val[i];
- buf[i]=0;
- val+= i;
-
- d = ff_eval2(buf, const_values, const_names, NULL, NULL, NULL, NULL, NULL, &error);
- if(isnan(d)) {
- const AVOption *o_named= find_opt(obj, buf, o->unit);
- if(o_named && o_named->type == FF_OPT_TYPE_CONST)
- d= o_named->default_val;
- else if(!strcmp(buf, "default")) d= o->default_val;
- else if(!strcmp(buf, "max" )) d= o->max;
- else if(!strcmp(buf, "min" )) d= o->min;
- else {
- if (!error)
- av_log(NULL, AV_LOG_ERROR, "Unable to parse option value \"%s\": %s\n", val, error);
- return NULL;
- }
- }
- if(o->type == FF_OPT_TYPE_FLAGS){
- if (cmd=='+') d= av_get_int(obj, name, NULL) | (int64_t)d;
- else if(cmd=='-') d= av_get_int(obj, name, NULL) &~(int64_t)d;
- }else if(cmd=='-')
- d= -d;
-
- av_set_number(obj, name, d, 1, 1);
- if(!*val)
- return o;
- }
- return NULL;
- }
-
- memcpy(((uint8_t*)obj) + o->offset, val, sizeof(val));
- return o;
-}
-
-const AVOption *av_set_double(void *obj, const char *name, double n){
- return av_set_number(obj, name, n, 1, 1);
-}
-
-const AVOption *av_set_q(void *obj, const char *name, AVRational n){
- return av_set_number(obj, name, n.num, n.den, 1);
-}
-
-const AVOption *av_set_int(void *obj, const char *name, int64_t n){
- return av_set_number(obj, name, 1, 1, n);
-}
-
-/**
- *
- * @param buf a buffer which is used for returning non string values as strings, can be NULL
- * @param buf_len allocated length in bytes of buf
- */
-const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len){
- const AVOption *o= find_opt(obj, name, NULL);
- void *dst;
- if(!o || o->offset<=0)
- return NULL;
- if(o->type != FF_OPT_TYPE_STRING && (!buf || !buf_len))
- return NULL;
-
- dst= ((uint8_t*)obj) + o->offset;
- if(o_out) *o_out= o;
-
- if(o->type == FF_OPT_TYPE_STRING)
- return dst;
-
- switch(o->type){
- case FF_OPT_TYPE_FLAGS: snprintf(buf, buf_len, "0x%08X",*(int *)dst);break;
- case FF_OPT_TYPE_INT: snprintf(buf, buf_len, "%d" , *(int *)dst);break;
- case FF_OPT_TYPE_INT64: snprintf(buf, buf_len, "%"PRId64, *(int64_t*)dst);break;
- case FF_OPT_TYPE_FLOAT: snprintf(buf, buf_len, "%f" , *(float *)dst);break;
- case FF_OPT_TYPE_DOUBLE: snprintf(buf, buf_len, "%f" , *(double *)dst);break;
- case FF_OPT_TYPE_RATIONAL: snprintf(buf, buf_len, "%d/%d", ((AVRational*)dst)->num, ((AVRational*)dst)->den);break;
- default: return NULL;
- }
- return buf;
-}
-
-static int av_get_number(void *obj, const char *name, const AVOption **o_out, double *num, int *den, int64_t *intnum){
- const AVOption *o= find_opt(obj, name, NULL);
- void *dst;
- if(!o || o->offset<=0)
- goto error;
-
- dst= ((uint8_t*)obj) + o->offset;
-
- if(o_out) *o_out= o;
-
- switch(o->type){
- case FF_OPT_TYPE_FLAGS:
- case FF_OPT_TYPE_INT: *intnum= *(int *)dst;return 0;
- case FF_OPT_TYPE_INT64: *intnum= *(int64_t*)dst;return 0;
- case FF_OPT_TYPE_FLOAT: *num= *(float *)dst;return 0;
- case FF_OPT_TYPE_DOUBLE: *num= *(double *)dst;return 0;
- case FF_OPT_TYPE_RATIONAL: *intnum= ((AVRational*)dst)->num;
- *den = ((AVRational*)dst)->den;
- return 0;
- }
-error:
- *den=*intnum=0;
- return -1;
-}
-
-double av_get_double(void *obj, const char *name, const AVOption **o_out){
- int64_t intnum=1;
- double num=1;
- int den=1;
-
- av_get_number(obj, name, o_out, &num, &den, &intnum);
- return num*intnum/den;
-}
-
-AVRational av_get_q(void *obj, const char *name, const AVOption **o_out){
- int64_t intnum=1;
- double num=1;
- int den=1;
-
- av_get_number(obj, name, o_out, &num, &den, &intnum);
- if(num == 1.0 && (int)intnum == intnum)
- return (AVRational){intnum, den};
- else
- return av_d2q(num*intnum/den, 1<<24);
-}
-
-int64_t av_get_int(void *obj, const char *name, const AVOption **o_out){
- int64_t intnum=1;
- double num=1;
- int den=1;
-
- av_get_number(obj, name, o_out, &num, &den, &intnum);
- return num*intnum/den;
-}
-
-static void opt_list(void *obj, void *av_log_obj, const char *unit)
-{
- const AVOption *opt=NULL;
-
- while((opt= av_next_option(obj, opt))){
- if(!(opt->flags & (AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM)))
- continue;
-
- /* Don't print CONST's on level one.
- * Don't print anything but CONST's on level two.
- * Only print items from the requested unit.
- */
- if (!unit && opt->type==FF_OPT_TYPE_CONST)
- continue;
- else if (unit && opt->type!=FF_OPT_TYPE_CONST)
- continue;
- else if (unit && opt->type==FF_OPT_TYPE_CONST && strcmp(unit, opt->unit))
- continue;
- else if (unit && opt->type == FF_OPT_TYPE_CONST)
- av_log(av_log_obj, AV_LOG_INFO, " %-15s ", opt->name);
- else
- av_log(av_log_obj, AV_LOG_INFO, "-%-17s ", opt->name);
-
- switch( opt->type )
- {
- case FF_OPT_TYPE_FLAGS:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "<flags>" );
- break;
- case FF_OPT_TYPE_INT:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "<int>" );
- break;
- case FF_OPT_TYPE_INT64:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "<int64>" );
- break;
- case FF_OPT_TYPE_DOUBLE:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "<double>" );
- break;
- case FF_OPT_TYPE_FLOAT:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "<float>" );
- break;
- case FF_OPT_TYPE_STRING:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "<string>" );
- break;
- case FF_OPT_TYPE_RATIONAL:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "<rational>" );
- break;
- case FF_OPT_TYPE_CONST:
- default:
- av_log( av_log_obj, AV_LOG_INFO, "%-7s ", "" );
- break;
- }
- av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_ENCODING_PARAM) ? 'E' : '.');
- av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_DECODING_PARAM) ? 'D' : '.');
- av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_VIDEO_PARAM ) ? 'V' : '.');
- av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_AUDIO_PARAM ) ? 'A' : '.');
- av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) ? 'S' : '.');
-
- if(opt->help)
- av_log(av_log_obj, AV_LOG_INFO, " %s", opt->help);
- av_log(av_log_obj, AV_LOG_INFO, "\n");
- if (opt->unit && opt->type != FF_OPT_TYPE_CONST) {
- opt_list(obj, av_log_obj, opt->unit);
- }
- }
-}
-
-int av_opt_show(void *obj, void *av_log_obj){
- if(!obj)
- return -1;
-
- av_log(av_log_obj, AV_LOG_INFO, "%s AVOptions:\n", (*(AVClass**)obj)->class_name);
-
- opt_list(obj, av_log_obj, NULL);
-
- return 0;
-}
-
-/** Set the values of the AVCodecContext or AVFormatContext structure.
- * They are set to the defaults specified in the according AVOption options
- * array default_val field.
- *
- * @param s AVCodecContext or AVFormatContext for which the defaults will be set
- */
-void av_opt_set_defaults(void *s)
-{
- const AVOption *opt = NULL;
- while ((opt = av_next_option(s, opt)) != NULL) {
- switch(opt->type) {
- case FF_OPT_TYPE_CONST:
- /* Nothing to be done here */
- break;
- case FF_OPT_TYPE_FLAGS:
- case FF_OPT_TYPE_INT: {
- int val;
- val = opt->default_val;
- av_set_int(s, opt->name, val);
- }
- break;
- case FF_OPT_TYPE_FLOAT: {
- double val;
- val = opt->default_val;
- av_set_double(s, opt->name, val);
- }
- break;
- case FF_OPT_TYPE_RATIONAL: {
- AVRational val;
- val = av_d2q(opt->default_val, INT_MAX);
- av_set_q(s, opt->name, val);
- }
- break;
- case FF_OPT_TYPE_STRING:
- /* Cannot set default for string as default_val is of type * double */
- break;
- default:
- av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n", opt->type, opt->name);
- }
- }
-}
-
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