package ffmpeg

/*
#include <libavfilter/buffersink.h>
*/
import "C"

// AvBuffersinkGetFrameFlags gets a frame with filtered data from sink and put it in frame.
func AvBuffersinkGetFrameFlags(ctx *AVFilterContext, frame *AVFrame, flags int32) int32 {
	return (int32)(C.av_buffersink_get_frame_flags((*C.struct_AVFilterContext)(ctx),
		(*C.struct_AVFrame)(frame), (C.int)(flags)))
}

const (
	AV_BUFFERSINK_FLAG_PEEK       = C.AV_BUFFERSINK_FLAG_PEEK
	AV_BUFFERSINK_FLAG_NO_REQUEST = C.AV_BUFFERSINK_FLAG_NO_REQUEST
)

// AVBufferSinkParams
type AVBufferSinkParams C.struct_AVBufferSinkParams

// Custom: GetPixelFmts gets `AVBufferSinkParams.pixel_fmts` value.
func (bsp *AVBufferSinkParams) GetPixelFmts() []AVPixelFormat {
	return TruncSlice((*AVPixelFormat)(bsp.pixel_fmts), func(pf AVPixelFormat) bool {
		return pf == AV_PIX_FMT_NONE
	})
}

// Deprecated: No use
func AvBuffersinkParamsAlloc() *AVBufferSinkParams {
	return (*AVBufferSinkParams)(C.av_buffersink_params_alloc())
}

// AVABufferSinkParams
type AVABufferSinkParams C.struct_AVABufferSinkParams

// Custom: GetSampleFmts gets `AVABufferSinkParams.sample_fmts` value.
func (absp *AVABufferSinkParams) GetSampleFmts() []AVSampleFormat {
	return TruncSlice((*AVSampleFormat)(absp.sample_fmts), func(sf AVSampleFormat) bool {
		return sf == AV_SAMPLE_FMT_NONE
	})
}

// Custom: GetChannelLayouts gets `AVABufferSinkParams.channel_layouts` value.
func (absp *AVABufferSinkParams) GetChannelLayouts() []int64 {
	return TruncSlice((*int64)(absp.channel_layouts), func(i int64) bool {
		return i == -1
	})
}

// Custom: GetChannelCounts gets `AVABufferSinkParams.channel_counts` value.
func (absp *AVABufferSinkParams) GetChannelCounts() []int32 {
	return TruncSlice((*int32)(absp.channel_counts), func(i int32) bool {
		return i == -1
	})
}

// Custom: GetAllChannelCounts gets `AVABufferSinkParams.all_channel_counts` value.
func (absp *AVABufferSinkParams) GetAllChannelCounts() int32 {
	return (int32)(absp.all_channel_counts)
}

// Custom: GetSampleRates gets `AVABufferSinkParams.sample_rates` value.
func (absp *AVABufferSinkParams) GetSampleRates() []int32 {
	return TruncSlice((*int32)(absp.sample_rates), func(i int32) bool {
		return i == -1
	})
}

// Deprecated: No use
func AvAbuffersinkParamsAlloc() *AVABufferSinkParams {
	return (*AVABufferSinkParams)(C.av_abuffersink_params_alloc())
}

// AvBuffersinkSetFrameSize sets the frame size for an audio buffer sink.
func AvBuffersinkSetFrameSize(ctx *AVFilterContext, frameSize uint32) {
	C.av_buffersink_set_frame_size((*C.struct_AVFilterContext)(ctx), (C.uint)(frameSize))
}

// AvBuffersinkGetType
func AvBuffersinkGetType(ctx *AVFilterContext) AVMediaType {
	return (AVMediaType)(C.av_buffersink_get_type((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetTimeBase
func AvBuffersinkGetTimeBase(ctx *AVFilterContext) AVRational {
	return (AVRational)(C.av_buffersink_get_time_base((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetFormat
func AvBuffersinkGetFormat(ctx *AVFilterContext) int32 {
	return (int32)(C.av_buffersink_get_format((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetFrameRate
func AvBuffersinkGetFrameRate(ctx *AVFilterContext) AVRational {
	return (AVRational)(C.av_buffersink_get_frame_rate((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetW
func AvBuffersinkGetW(ctx *AVFilterContext) int32 {
	return (int32)(C.av_buffersink_get_w((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetH
func AvBuffersinkGetH(ctx *AVFilterContext) int32 {
	return (int32)(C.av_buffersink_get_h((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetSampleAspectRatio
func AvBuffersinkGetSampleAspectRatio(ctx *AVFilterContext) AVRational {
	return (AVRational)(C.av_buffersink_get_sample_aspect_ratio((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetChannels
func AvBuffersinkGetChannels(ctx *AVFilterContext) int32 {
	return (int32)(C.av_buffersink_get_channels((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetChannelLayout
func AvBuffersinkGetChannelLayout(ctx *AVFilterContext) uint64 {
	return (uint64)(C.av_buffersink_get_channel_layout((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetSampleRate
func AvBuffersinkGetSampleRate(ctx *AVFilterContext) int32 {
	return (int32)(C.av_buffersink_get_sample_rate((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetHwFramesCtx
func AvBuffersinkGetHwFramesCtx(ctx *AVFilterContext) *AVBufferRef {
	return (*AVBufferRef)(C.av_buffersink_get_hw_frames_ctx((*C.struct_AVFilterContext)(ctx)))
}

// AvBuffersinkGetFrame gets a frame with filtered data from sink and put it in frame.
func AvBuffersinkGetFrame(ctx *AVFilterContext, frame *AVFrame) int32 {
	return (int32)(C.av_buffersink_get_frame((*C.struct_AVFilterContext)(ctx),
		(*C.struct_AVFrame)(frame)))
}

// AvBuffersinkGetSamples same as AVBuffersinkGetFrame(), but with the ability to specify the number
// of samples read. This function is less efficient than AVBuffersinkGetFrame(), because it copies the data around.
func AvBuffersinkGetSamples(ctx *AVFilterContext, frame *AVFrame, nbSamples int32) int32 {
	return (int32)(C.av_buffersink_get_samples((*C.struct_AVFilterContext)(ctx),
		(*C.struct_AVFrame)(frame), (C.int)(nbSamples)))
}