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format, core-format: Constify some function parameters

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Tanu Kaskinen 2013-12-17 21:14:18 +02:00
parent 71816ecb7f
commit a3a795ef3d
4 changed files with 32 additions and 32 deletions
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18
src/pulse/format.h
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@ -114,7 +114,7 @@ int pa_format_info_is_pcm(const pa_format_info *f);
* stream's format is compatible with a given sink. In such a case,
* \a first would be the sink's format and \a second would be the
* stream's. \since 1.0 */
int pa_format_info_is_compatible(pa_format_info *first, pa_format_info *second);
int pa_format_info_is_compatible(const pa_format_info *first, const pa_format_info *second);
/** Maximum required string length for
* pa_format_info_snprint(). Please note that this value can change
@ -131,14 +131,14 @@ char *pa_format_info_snprint(char *s, size_t l, const pa_format_info *f);
pa_format_info* pa_format_info_from_string(const char *str);
/** Utility function to take a \a pa_sample_spec and generate the corresponding \a pa_format_info. \since 2.0 */
pa_format_info* pa_format_info_from_sample_spec(pa_sample_spec *ss, pa_channel_map *map);
pa_format_info* pa_format_info_from_sample_spec(const pa_sample_spec *ss, const pa_channel_map *map);
/** Utility function to generate a \a pa_sample_spec and \a pa_channel_map corresponding to a given \a pa_format_info. The
* conversion for PCM formats is straight-forward. For non-PCM formats, if there is a fixed size-time conversion (i.e. all
* IEC61937-encapsulated formats), a "fake" sample spec whose size-time conversion corresponds to this format is provided and
* the channel map argument is ignored. For formats with variable size-time conversion, this function will fail. Returns a
* negative integer if conversion failed and 0 on success. \since 2.0 */
int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map);
int pa_format_info_to_sample_spec(const pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map);
/** Represents the type of value type of a property on a \ref pa_format_info. \since 2.0 */
typedef enum pa_prop_type_t {
@ -171,24 +171,24 @@ typedef enum pa_prop_type_t {
/** \endcond */
/** Gets the type of property \a key in a given \ref pa_format_info. \since 2.0 */
pa_prop_type_t pa_format_info_get_prop_type(pa_format_info *f, const char *key);
pa_prop_type_t pa_format_info_get_prop_type(const pa_format_info *f, const char *key);
/** Gets an integer property from the given format info. Returns 0 on success and a negative integer on failure. \since 2.0 */
int pa_format_info_get_prop_int(pa_format_info *f, const char *key, int *v);
int pa_format_info_get_prop_int(const pa_format_info *f, const char *key, int *v);
/** Gets an integer range property from the given format info. Returns 0 on success and a negative integer on failure.
* \since 2.0 */
int pa_format_info_get_prop_int_range(pa_format_info *f, const char *key, int *min, int *max);
int pa_format_info_get_prop_int_range(const pa_format_info *f, const char *key, int *min, int *max);
/** Gets an integer array property from the given format info. \a values contains the values and \a n_values contains the
* number of elements. The caller must free \a values using \ref pa_xfree. Returns 0 on success and a negative integer on
* failure. \since 2.0 */
int pa_format_info_get_prop_int_array(pa_format_info *f, const char *key, int **values, int *n_values);
int pa_format_info_get_prop_int_array(const pa_format_info *f, const char *key, int **values, int *n_values);
/** Gets a string property from the given format info. The caller must free the returned string using \ref pa_xfree. Returns
* 0 on success and a negative integer on failure. \since 2.0 */
int pa_format_info_get_prop_string(pa_format_info *f, const char *key, char **v);
int pa_format_info_get_prop_string(const pa_format_info *f, const char *key, char **v);
/** Gets a string array property from the given format info. \a values contains the values and \a n_values contains
* the number of elements. The caller must free \a values using \ref pa_format_info_free_string_array. Returns 0 on success and
* a negative integer on failure. \since 2.0 */
int pa_format_info_get_prop_string_array(pa_format_info *f, const char *key, char ***values, int *n_values);
int pa_format_info_get_prop_string_array(const pa_format_info *f, const char *key, char ***values, int *n_values);
/** Frees a string array returned by \ref pa_format_info_get_prop_string_array. \since 2.0 */
void pa_format_info_free_string_array(char **values, int n_values);