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cdef extern from "libavfilter/avfilter.h" nogil:
"""
#if (LIBAVFILTER_VERSION_INT >= 525156)
// avfilter_filter_pad_count is available since version 8.3.100 of libavfilter (FFmpeg 5.0)
#define _avfilter_get_num_pads(filter, is_output, pads) (avfilter_filter_pad_count(filter, is_output))
#else
// avfilter_filter_pad_count has been deprecated as of version 8.3.100 of libavfilter (FFmpeg 5.0)
#define _avfilter_get_num_pads(filter, is_output, pads) (avfilter_pad_count(pads))
#endif
"""
cdef int avfilter_version()
cdef char* avfilter_configuration()
cdef char* avfilter_license()
cdef struct AVFilterPad:
# This struct is opaque.
pass
const char* avfilter_pad_get_name(const AVFilterPad *pads, int index)
AVMediaType avfilter_pad_get_type(const AVFilterPad *pads, int index)
int pyav_get_num_pads "_avfilter_get_num_pads" (const AVFilter *filter, int is_output, const AVFilterPad *pads)
cdef struct AVFilter:
AVClass *priv_class
const char *name
const char *description
const int flags
const AVFilterPad *inputs
const AVFilterPad *outputs
int (*process_command)(AVFilterContext *, const char *cmd, const char *arg, char *res, int res_len, int flags)
cdef enum:
AVFILTER_FLAG_DYNAMIC_INPUTS
AVFILTER_FLAG_DYNAMIC_OUTPUTS
AVFILTER_FLAG_SLICE_THREADS
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
cdef AVFilter* avfilter_get_by_name(const char *name)
cdef const AVFilter* av_filter_iterate(void **opaque)
cdef struct AVFilterLink # Defined later.
cdef struct AVFilterContext:
AVClass *av_class
AVFilter *filter
char *name
unsigned int nb_inputs
AVFilterPad *input_pads
AVFilterLink **inputs
unsigned int nb_outputs
AVFilterPad *output_pads
AVFilterLink **outputs
cdef int avfilter_init_str(AVFilterContext *ctx, const char *args)
cdef int avfilter_init_dict(AVFilterContext *ctx, AVDictionary **options)
cdef void avfilter_free(AVFilterContext*)
cdef AVClass* avfilter_get_class()
cdef struct AVFilterLink:
AVFilterContext *src
AVFilterPad *srcpad
AVFilterContext *dst
AVFilterPad *dstpad
AVMediaType Type
int w
int h
AVRational sample_aspect_ratio
uint64_t channel_layout
int sample_rate
int format
AVRational time_base
# custom
cdef set pyav_get_available_filters()
cdef extern from "libavfilter/buffersink.h" nogil:
cdef void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size)
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