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format: Export pa_format_info_is_compatible in API

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This allows clients to perform checks between formats as well.
This commit is contained in:
Arun Raghavan 2011-03-29 17:16:08 +05:30
parent 53091cc5f0
commit 13a33abf45
4 changed files with 11 additions and 2 deletions
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1
src/map-file
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@ -163,6 +163,7 @@ pa_ext_stream_restore_test;
pa_ext_stream_restore_write; pa_ext_stream_restore_write;
pa_format_info_copy; pa_format_info_copy;
pa_format_info_free; pa_format_info_free;
pa_format_info_is_compatible;
pa_format_info_is_pcm; pa_format_info_is_pcm;
pa_format_info_new; pa_format_info_new;
pa_format_info_snprint; pa_format_info_snprint;

2
src/pulse/format.c
View file

@ -115,7 +115,7 @@ char *pa_format_info_snprint(char *s, size_t l, const pa_format_info *f) {
return s; return s;
} }
pa_bool_t pa_format_info_is_compatible(pa_format_info *first, pa_format_info *second) { int pa_format_info_is_compatible(pa_format_info *first, pa_format_info *second) {
const char *key; const char *key;
void *state = NULL; void *state = NULL;

9
src/pulse/format.h
View file

@ -83,6 +83,15 @@ int pa_format_info_valid(const pa_format_info *f);
/** Returns non-zero when the format info structure represents a PCM (i.e. uncompressed data) format */ /** Returns non-zero when the format info structure represents a PCM (i.e. uncompressed data) format */
int pa_format_info_is_pcm(const pa_format_info *f); int pa_format_info_is_pcm(const pa_format_info *f);
/** Returns non-zero if the format represented \a first is a subset of
* the format represented by \second. This means that \a second must
* have all the fields that \a first does, but the reverse need not
* be true. This is typically expected to be used to check if a
* 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.*/
int pa_format_info_is_compatible(pa_format_info *first, pa_format_info *second);
/** Maximum required string length for /** Maximum required string length for
* pa_format_info_snprint(). Please note that this value can change * pa_format_info_snprint(). Please note that this value can change
* with any release without warning and without being considered API * with any release without warning and without being considered API

1
src/pulse/internal.h
View file

@ -297,7 +297,6 @@ void pa_ext_device_manager_command(pa_context *c, uint32_t tag, pa_tagstruct *t)
void pa_ext_stream_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t); void pa_ext_stream_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
void pa_format_info_free2(pa_format_info *f, void *userdata); void pa_format_info_free2(pa_format_info *f, void *userdata);
pa_bool_t pa_format_info_is_compatible(pa_format_info *first, pa_format_info *second);
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(pa_sample_spec *ss, pa_channel_map *map);
pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map); pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map);
pa_bool_t pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss); pa_bool_t pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss);