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