Initial community commit

Src/mp4v/mp4_mp4v_decoder.cpp

@@ -0,0 +1,103 @@
+#include "mp4_mp4v_decoder.h"
+#include "../winamp/wa_ipc.h"
+
+
+MP4VMP4Decoder::MP4VMP4Decoder()
+{
+	
+}
+
+MP4VMP4Decoder::~MP4VMP4Decoder()
+{
+	
+}
+
+int MP4VMP4Decoder::Open(MP4FileHandle mp4_file, MP4TrackId mp4_track)
+{
+	HRESULT hr;
+	VIDEOINFOHEADER header = {0, };
+
+	header.bmiHeader.biHeight = MP4GetTrackVideoHeight(mp4_file, mp4_track);
+	header.bmiHeader.biWidth = MP4GetTrackVideoWidth(mp4_file, mp4_track);
+	header.bmiHeader.biCompression = 'v4pm';
+
+	hr = decoder.Open(&header);
+	if (FAILED(hr)) {
+		return MP4_VIDEO_FAILURE;
+	}
+
+	uint8_t *buffer = 0;
+	uint32_t buffer_size = 0;
+
+	if (MP4GetTrackESConfiguration(mp4_file, mp4_track, &buffer, &buffer_size)
+		&& buffer && buffer_size) {
+			hr = decoder.Feed(buffer, buffer_size, 0);
+			MP4Free(buffer);
+			if (FAILED(hr)) {
+				return MP4_VIDEO_FAILURE;
+			}
+	}
+
+	return MP4_VIDEO_SUCCESS;
+}
+
+int MP4VMP4Decoder::GetOutputFormat(int *x, int *y, int *color_format, double *aspect_ratio)
+{
+	UINT width, height;
+	bool local_flip=false;
+	if (SUCCEEDED(decoder.GetOutputFormat(&width, &height, &local_flip, aspect_ratio))) {
+		*x = width;
+		*y = height;
+		*color_format = '21VY';
+		return MP4_VIDEO_SUCCESS;
+	}
+	return MP4_VIDEO_FAILURE;		
+}
+
+int MP4VMP4Decoder::DecodeSample(const void *inputBuffer, size_t inputBufferBytes, MP4Timestamp timestamp)
+{
+	HRESULT hr;
+	hr=decoder.Feed(inputBuffer, inputBufferBytes, timestamp);
+	return MP4_VIDEO_SUCCESS;
+}
+
+int MP4VMP4Decoder::CanHandleCodec(const char *codecName)
+{
+	return !strcmp(codecName, "mp4v");
+}
+
+void MP4VMP4Decoder::Flush()
+{
+	decoder.Flush();
+}
+
+int MP4VMP4Decoder::GetPicture(void **data, void **decoder_data, MP4Timestamp *timestamp)
+{
+	if (SUCCEEDED(decoder.GetFrame((YV12_PLANES **)data, decoder_data, timestamp))) {
+		return MP4_VIDEO_SUCCESS;
+	} else {
+		return MP4_VIDEO_FAILURE;
+	}
+}
+
+void MP4VMP4Decoder::FreePicture(void *data, void *decoder_data)
+{
+	decoder.FreeFrame((YV12_PLANES *)data, decoder_data);
+}
+
+void MP4VMP4Decoder::Close()
+{
+}
+
+#define CBCLASS MP4VMP4Decoder
+START_DISPATCH;
+CB(MPEG4_VIDEO_OPEN, Open)
+CB(MPEG4_VIDEO_GETOUTPUTFORMAT, GetOutputFormat)
+CB(MPEG4_VIDEO_DECODE, DecodeSample)
+CB(MPEG4_VIDEO_HANDLES_CODEC, CanHandleCodec)
+VCB(MPEG4_VIDEO_FLUSH, Flush)
+CB(MPEG4_VIDEO_GET_PICTURE, GetPicture)
+VCB(MPEG4_VIDEO_FREE_PICTURE, FreePicture)
+VCB(MPEG4_VIDEO_CLOSE, Close)
+END_DISPATCH;
+#undef CBCLASS