Initial community commit

Src/f263/flv_f263_decoder.cpp

@@ -0,0 +1,102 @@
+#include "flv_f263_decoder.h"
+#include "lib.h"
+
+int FLVDecoderCreator::CreateVideoDecoder(int format_type, int width, int height, ifc_flvvideodecoder **decoder)
+{
+	if (format_type == FLV::VIDEO_FORMAT_SORENSON)
+	{
+		void *ctx = F263_CreateDecoder();
+		if (!ctx)
+			return CREATEDECODER_FAILURE;
+		*decoder = new FLVSorenson(ctx);
+		return CREATEDECODER_SUCCESS;
+	}
+	return CREATEDECODER_NOT_MINE;
+}
+
+int FLVDecoderCreator::HandlesVideo(int format_type)
+{
+	if (format_type == FLV::VIDEO_FORMAT_SORENSON)
+	{
+		return CREATEDECODER_SUCCESS;
+	}
+	return CREATEDECODER_NOT_MINE;
+}
+
+#define CBCLASS FLVDecoderCreator
+START_DISPATCH;
+CB(CREATE_VIDEO_DECODER, CreateVideoDecoder)
+CB(HANDLES_VIDEO, HandlesVideo)
+END_DISPATCH;
+#undef CBCLASS
+
+/* --- */
+
+FLVSorenson::FLVSorenson(void *decoder) : decoder(decoder)
+{
+	last_timestamp=0;
+	width=0;
+	height=0;
+	decoded=0;
+}
+
+int FLVSorenson::GetOutputFormat(int *x, int *y, int *color_format)
+{
+	if (width && height)
+	{
+		*x = width;
+		*y = height;
+		*color_format = '21VY';
+		return FLV_VIDEO_SUCCESS;
+	}
+	return FLV_VIDEO_FAILURE;
+}
+
+int FLVSorenson::DecodeSample(const void *inputBuffer, size_t inputBufferBytes, int32_t timestamp)
+{
+  last_timestamp = timestamp;
+	int keyframe;
+
+	int ret = F263_DecodeFrame(decoder, const_cast<void *>(inputBuffer), inputBufferBytes, &yv12, &width, &height, &keyframe);
+	if (ret == F263_OK)
+	{
+		decoded=1;
+		return FLV_VIDEO_SUCCESS;
+	}
+	else
+		return FLV_VIDEO_FAILURE;
+}
+
+void FLVSorenson::Flush()
+{
+}
+
+void FLVSorenson::Close()
+{
+	if (decoder)
+		F263_DestroyDecoder(decoder);
+	delete this;
+}
+
+int FLVSorenson::GetPicture(void **data, void **decoder_data, uint64_t *timestamp)
+{
+	if (decoded)
+	{
+		*timestamp = last_timestamp;
+		*decoder_data = 0;
+		*data = &yv12;
+		decoded=0;
+		return FLV_VIDEO_SUCCESS;
+	}
+	return FLV_VIDEO_FAILURE;		
+}
+
+#define CBCLASS FLVSorenson
+START_DISPATCH;
+CB(FLV_VIDEO_GETOUTPUTFORMAT, GetOutputFormat)
+CB(FLV_VIDEO_DECODE, DecodeSample)
+VCB(FLV_VIDEO_FLUSH, Flush)
+VCB(FLV_VIDEO_CLOSE, Close)
+CB(FLV_VIDEO_GET_PICTURE, GetPicture)
+END_DISPATCH;
+#undef CBCLASS