[FFmpeg-cvslog] r22833 - in trunk/libavcodec: eval.c eval.h ratecontrol.h
stefano
subversion
Sun Apr 11 13:47:30 CEST 2010
Author: stefano
Date: Sun Apr 11 13:47:29 2010
New Revision: 22833
Log:
Rename AVEvalExpr to AVExpr, as suggested by Michael.
The new name is shorter and less confusing.
Modified:
trunk/libavcodec/eval.c
trunk/libavcodec/eval.h
trunk/libavcodec/ratecontrol.h
Modified: trunk/libavcodec/eval.c
==============================================================================
--- trunk/libavcodec/eval.c Sun Apr 11 13:47:24 2010 (r22832)
+++ trunk/libavcodec/eval.c Sun Apr 11 13:47:29 2010 (r22833)
@@ -130,10 +130,10 @@ struct ff_expr_s {
double (*func1)(void *, double);
double (*func2)(void *, double, double);
} a;
- AVEvalExpr * param[2];
+ AVExpr *param[2];
};
-static double eval_expr(Parser * p, AVEvalExpr * e) {
+static double eval_expr(Parser * p, AVExpr * e) {
switch (e->type) {
case e_value: return e->value;
case e_const: return e->value * p->const_value[e->a.const_index];
@@ -171,17 +171,17 @@ static double eval_expr(Parser * p, AVEv
return NAN;
}
-static AVEvalExpr * parse_expr(Parser *p);
+static AVExpr * parse_expr(Parser *p);
-void ff_eval_free(AVEvalExpr * e) {
+void ff_eval_free(AVExpr * e) {
if (!e) return;
ff_eval_free(e->param[0]);
ff_eval_free(e->param[1]);
av_freep(&e);
}
-static AVEvalExpr * parse_primary(Parser *p) {
- AVEvalExpr * d = av_mallocz(sizeof(AVEvalExpr));
+static AVExpr * parse_primary(Parser *p) {
+ AVExpr * d = av_mallocz(sizeof(AVExpr));
char *next= p->s;
int i;
@@ -259,8 +259,8 @@ static AVEvalExpr * parse_primary(Parser
else if( strmatch(next, "eq" ) ) d->type = e_eq;
else if( strmatch(next, "gte" ) ) d->type = e_gte;
else if( strmatch(next, "gt" ) ) d->type = e_gt;
- else if( strmatch(next, "lte" ) ) { AVEvalExpr * tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gt; }
- else if( strmatch(next, "lt" ) ) { AVEvalExpr * tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gte; }
+ else if( strmatch(next, "lte" ) ) { AVExpr * tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gt; }
+ else if( strmatch(next, "lt" ) ) { AVExpr * tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gte; }
else if( strmatch(next, "ld" ) ) d->type = e_ld;
else if( strmatch(next, "st" ) ) d->type = e_st;
else if( strmatch(next, "while" ) ) d->type = e_while;
@@ -289,8 +289,8 @@ static AVEvalExpr * parse_primary(Parser
return d;
}
-static AVEvalExpr * new_eval_expr(int type, int value, AVEvalExpr *p0, AVEvalExpr *p1){
- AVEvalExpr * e = av_mallocz(sizeof(AVEvalExpr));
+static AVExpr * new_eval_expr(int type, int value, AVExpr *p0, AVExpr *p1){
+ AVExpr * e = av_mallocz(sizeof(AVExpr));
if (!e)
return NULL;
e->type =type ;
@@ -300,15 +300,15 @@ static AVEvalExpr * new_eval_expr(int ty
return e;
}
-static AVEvalExpr * parse_pow(Parser *p, int *sign){
+static AVExpr * parse_pow(Parser *p, int *sign){
*sign= (*p->s == '+') - (*p->s == '-');
p->s += *sign&1;
return parse_primary(p);
}
-static AVEvalExpr * parse_factor(Parser *p){
+static AVExpr * parse_factor(Parser *p){
int sign, sign2;
- AVEvalExpr * e = parse_pow(p, &sign);
+ AVExpr * e = parse_pow(p, &sign);
while(p->s[0]=='^'){
p->s++;
e= new_eval_expr(e_pow, 1, e, parse_pow(p, &sign2));
@@ -320,8 +320,8 @@ static AVEvalExpr * parse_factor(Parser
return e;
}
-static AVEvalExpr * parse_term(Parser *p){
- AVEvalExpr * e = parse_factor(p);
+static AVExpr * parse_term(Parser *p){
+ AVExpr * e = parse_factor(p);
while(p->s[0]=='*' || p->s[0]=='/'){
int c= *p->s++;
e= new_eval_expr(c == '*' ? e_mul : e_div, 1, e, parse_factor(p));
@@ -331,8 +331,8 @@ static AVEvalExpr * parse_term(Parser *p
return e;
}
-static AVEvalExpr * parse_subexpr(Parser *p) {
- AVEvalExpr * e = parse_term(p);
+static AVExpr * parse_subexpr(Parser *p) {
+ AVExpr * e = parse_term(p);
while(*p->s == '+' || *p->s == '-') {
e= new_eval_expr(e_add, 1, e, parse_term(p));
if (!e)
@@ -342,8 +342,8 @@ static AVEvalExpr * parse_subexpr(Parser
return e;
}
-static AVEvalExpr * parse_expr(Parser *p) {
- AVEvalExpr * e;
+static AVExpr * parse_expr(Parser *p) {
+ AVExpr * e;
if(p->stack_index <= 0) //protect against stack overflows
return NULL;
@@ -363,7 +363,7 @@ static AVEvalExpr * parse_expr(Parser *p
return e;
}
-static int verify_expr(AVEvalExpr * e) {
+static int verify_expr(AVExpr * e) {
if (!e) return 0;
switch (e->type) {
case e_value:
@@ -377,12 +377,12 @@ static int verify_expr(AVEvalExpr * e) {
}
}
-AVEvalExpr * ff_parse(const char *s, const char * const *const_name,
+AVExpr * ff_parse(const char *s, const char * const *const_name,
double (**func1)(void *, double), const char **func1_name,
double (**func2)(void *, double, double), const char **func2_name,
const char **error){
Parser p;
- AVEvalExpr *e = NULL;
+ AVExpr *e = NULL;
char *w = av_malloc(strlen(s) + 1);
char *wp = w;
@@ -412,7 +412,7 @@ end:
return e;
}
-double ff_parse_eval(AVEvalExpr * e, const double *const_value, void *opaque) {
+double ff_parse_eval(AVExpr * e, const double *const_value, void *opaque) {
Parser p;
p.const_value= const_value;
@@ -424,7 +424,7 @@ double ff_eval2(const char *s, const dou
double (**func1)(void *, double), const char **func1_name,
double (**func2)(void *, double, double), const char **func2_name,
void *opaque, const char **error){
- AVEvalExpr * e = ff_parse(s, const_name, func1, func1_name, func2, func2_name, error);
+ AVExpr * e = ff_parse(s, const_name, func1, func1_name, func2, func2_name, error);
double d;
if (!e) return NAN;
d = ff_parse_eval(e, const_value, opaque);
Modified: trunk/libavcodec/eval.h
==============================================================================
--- trunk/libavcodec/eval.h Sun Apr 11 13:47:24 2010 (r22832)
+++ trunk/libavcodec/eval.h Sun Apr 11 13:47:29 2010 (r22833)
@@ -28,7 +28,7 @@
#ifndef AVCODEC_EVAL_H
#define AVCODEC_EVAL_H
-typedef struct ff_expr_s AVEvalExpr;
+typedef struct ff_expr_s AVExpr;
/**
* Parses and evaluates an expression.
@@ -58,10 +58,10 @@ double ff_eval2(const char *s, const dou
* @param func1_name NULL terminated array of zero terminated strings of func1 identifers
* @param func2_name NULL terminated array of zero terminated strings of func2 identifers
* @param error pointer to a char* which is set to an error message if something goes wrong
- * @return AVEvalExpr which must be freed with ff_eval_free by the user when it is not needed anymore
+ * @return AVExpr which must be freed with ff_eval_free by the user when it is not needed anymore
* NULL if anything went wrong
*/
-AVEvalExpr * ff_parse(const char *s, const char * const *const_name,
+AVExpr * ff_parse(const char *s, const char * const *const_name,
double (**func1)(void *, double), const char **func1_name,
double (**func2)(void *, double, double), const char **func2_name,
const char **error);
@@ -71,8 +71,8 @@ AVEvalExpr * ff_parse(const char *s, con
* @param opaque a pointer which will be passed to all functions from func1 and func2
* @return the value of the expression
*/
-double ff_parse_eval(AVEvalExpr * e, const double *const_value, void *opaque);
-void ff_eval_free(AVEvalExpr * e);
+double ff_parse_eval(AVExpr * e, const double *const_value, void *opaque);
+void ff_eval_free(AVExpr * e);
/**
* Parses the string in numstr and returns its value as a double. If
Modified: trunk/libavcodec/ratecontrol.h
==============================================================================
--- trunk/libavcodec/ratecontrol.h Sun Apr 11 13:47:24 2010 (r22832)
+++ trunk/libavcodec/ratecontrol.h Sun Apr 11 13:47:29 2010 (r22833)
@@ -84,7 +84,7 @@ typedef struct RateControlContext{
void *non_lavc_opaque; ///< context for non lavc rc code (for example xvid)
float dry_run_qscale; ///< for xvid rc
int last_picture_number; ///< for xvid rc
- AVEvalExpr * rc_eq_eval;
+ AVExpr * rc_eq_eval;
}RateControlContext;
struct MpegEncContext;
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