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fftools/ffprobe: Use proper enum type 

This is a bit cleaner as int need not be the underlying type
of an enum if a smaller type can hold all its values.
Also declare the children_ids array as const as it never changes.

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2023-08-06 15:12:04 +02:00
parent 2eb7df1cbd
commit 9583a2c8eb
1 changed files with 18 additions and 20 deletions
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38
fftools/ffprobe.c
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@ -161,22 +161,6 @@ static int find_stream_info = 1;
#define SECTION_MAX_NB_CHILDREN 10
struct section {
int id; ///< unique id identifying a section
const char *name;
#define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
#define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
#define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
/// For these sections the element_name field is mandatory.
int flags;
int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
const char *element_name; ///< name of the contained element, if provided
const char *unique_name; ///< unique section name, in case the name is ambiguous
AVDictionary *entries_to_show;
int show_all_entries;
};
typedef enum {
SECTION_ID_NONE = -1,
SECTION_ID_CHAPTER,
@ -229,6 +213,22 @@ typedef enum {
SECTION_ID_SUBTITLE,
} SectionID;
struct section {
int id; ///< unique id identifying a section
const char *name;
#define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
#define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
#define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
/// For these sections the element_name field is mandatory.
int flags;
const SectionID children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
const char *element_name; ///< name of the contained element, if provided
const char *unique_name; ///< unique section name, in case the name is ambiguous
AVDictionary *entries_to_show;
int show_all_entries;
};
static struct section sections[] = {
[SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
[SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
@ -3688,8 +3688,7 @@ static inline void mark_section_show_entries(SectionID section_id,
section->show_all_entries = show_all_entries;
if (show_all_entries) {
SectionID *id;
for (id = section->children_ids; *id != -1; id++)
for (const SectionID *id = section->children_ids; *id != -1; id++)
mark_section_show_entries(*id, show_all_entries, entries);
} else {
av_dict_copy(&section->entries_to_show, entries, 0);
@ -4072,11 +4071,10 @@ static const OptionDef real_options[] = {
static inline int check_section_show_entries(int section_id)
{
int *id;
struct section *section = &sections[section_id];
if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
return 1;
for (id = section->children_ids; *id != -1; id++)
for (const SectionID *id = section->children_ids; *id != -1; id++)
if (check_section_show_entries(*id))
return 1;
return 0;