Golang av_mallocz Examples

Example #1

File: codecCtx.go Project: tvib/gmf

func (this *CodecCtx) CopyExtra(ist *Stream) *CodecCtx {
	codec := this.avCodecCtx
	icodec := ist.CodecCtx().avCodecCtx

	codec.bits_per_raw_sample = icodec.bits_per_raw_sample
	codec.chroma_sample_location = icodec.chroma_sample_location

	codec.codec_id = icodec.codec_id
	codec.codec_type = icodec.codec_type

	// codec.codec_tag = icodec.codec_tag

	codec.rc_max_rate = icodec.rc_max_rate
	codec.rc_buffer_size = icodec.rc_buffer_size

	codec.field_order = icodec.field_order

	codec.extradata = (*_Ctype_uint8_t)(C.av_mallocz((_Ctype_size_t)((C.uint64_t)(icodec.extradata_size) + C.FF_INPUT_BUFFER_PADDING_SIZE)))

	C.memcpy(unsafe.Pointer(codec.extradata), unsafe.Pointer(icodec.extradata), (_Ctype_size_t)(icodec.extradata_size))
	codec.extradata_size = icodec.extradata_size
	codec.bits_per_coded_sample = icodec.bits_per_coded_sample

	codec.has_b_frames = icodec.has_b_frames

	return this
}

Example #2

File: memory.go Project: gale320/goav

//Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if available on the CPU) and zero all the bytes of the block.
func AvMallocz(s uintptr) unsafe.Pointer {
	return C.av_mallocz(C.size_t(s))
}