Libav
formats.h
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17  */
18 
19 #ifndef AVFILTER_FORMATS_H
20 #define AVFILTER_FORMATS_H
21 
22 #include "avfilter.h"
23 
65  unsigned nb_formats;
66  int *formats;
67 
68  unsigned refcount;
69  struct AVFilterFormats ***refs;
70 };
71 
72 typedef struct AVFilterChannelLayouts {
73  uint64_t *channel_layouts;
75 
76  unsigned refcount;
79 
92 
99 
108  AVFilterFormats *samplerates);
109 
116 
117 int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout);
118 
123  AVFilterChannelLayouts **ref);
124 
129 
131  AVFilterChannelLayouts **newref);
132 
134 
135 
143 AVFilterFormats *ff_make_format_list(const int *fmts);
144 
153 int ff_add_format(AVFilterFormats **avff, int fmt);
154 
159 
164 
174 
188 
205 
219 void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref);
220 
221 #endif /* AVFILTER_FORMATS_H */
AVFilterChannelLayouts * ff_all_channel_layouts(void)
Construct an empty AVFilterChannelLayouts/AVFilterFormats struct – representing any channel layout/...
Definition: formats.c:244
AVFilterChannelLayouts * ff_merge_channel_layouts(AVFilterChannelLayouts *a, AVFilterChannelLayouts *b)
Return a channel layouts/samplerates list which contains the intersection of the layouts/samplerates ...
Definition: formats.c:126
Main libavfilter public API header.
AVFilterFormats * ff_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
Return a format list which contains the intersection of the formats of a and b.
Definition: formats.c:80
AVFilterFormats * ff_all_formats(enum AVMediaType type)
Return a list of all formats supported by Libav for the given media type.
Definition: formats.c:209
void ff_formats_unref(AVFilterFormats **ref)
If *ref is non-NULL, remove *ref as a reference to the format list it currently points to...
Definition: formats.c:298
static enum AVSampleFormat formats[]
int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout)
Definition: formats.c:204
struct AVFilterChannelLayouts *** refs
references to this list
Definition: formats.h:77
#define b
Definition: input.c:52
struct AVFilterFormats *** refs
references to this list
Definition: formats.h:69
int ff_add_format(AVFilterFormats **avff, int fmt)
Add fmt to the list of media formats contained in *avff.
Definition: formats.c:199
void ff_channel_layouts_changeref(AVFilterChannelLayouts **oldref, AVFilterChannelLayouts **newref)
Definition: formats.c:321
unsigned refcount
number of references to this list
Definition: formats.h:68
void ff_set_common_samplerates(AVFilterContext *ctx, AVFilterFormats *samplerates)
Definition: formats.c:363
int ff_default_query_formats(AVFilterContext *ctx)
Definition: formats.c:381
uint64_t * channel_layouts
list of channel layouts
Definition: formats.h:73
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:165
AVFilterFormats * ff_all_samplerates(void)
Definition: formats.c:238
void ff_set_common_channel_layouts(AVFilterContext *ctx, AVFilterChannelLayouts *layouts)
A helper for query_formats() which sets all links to the same list of channel layouts/sample rates...
Definition: formats.c:356
AVFilterFormats * ff_merge_samplerates(AVFilterFormats *a, AVFilterFormats *b)
Definition: formats.c:99
unsigned nb_formats
number of formats
Definition: formats.h:65
void ff_formats_ref(AVFilterFormats *formats, AVFilterFormats **ref)
Add *ref as a new reference to formats.
Definition: formats.c:262
void ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref)
Add *ref as a new reference to f.
Definition: formats.c:257
AVMediaType
Definition: avutil.h:185
void ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:375
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:433
AVFilterFormats * ff_planar_sample_fmts(void)
Construct a formats list containing all planar sample formats.
Definition: formats.c:226
int nb_channel_layouts
number of channel layouts
Definition: formats.h:74
unsigned refcount
number of references to this list
Definition: formats.h:76
A list of supported formats for one end of a filter link.
Definition: formats.h:64
void ff_channel_layouts_unref(AVFilterChannelLayouts **ref)
Remove a reference to a channel layouts list.
Definition: formats.c:303
An instance of a filter.
Definition: avfilter.h:563
void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref)
Before After |formats |<------—.
Definition: formats.c:327
int * formats
list of media formats
Definition: formats.h:66