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https://github.com/WinampDesktop/winamp.git
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135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
#include "avi_mp4v_decoder.h"
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#include "../Winamp/wa_ipc.h"
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#include "../nsavi/read.h"
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#include <mmsystem.h>
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#include <Amvideo.h>
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#include <Dvdmedia.h>
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int AVIDecoderCreator::CreateVideoDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, ifc_avivideodecoder **decoder)
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{
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nsavi::video_format *format = (nsavi::video_format *)stream_format;
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if (format) {
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if (
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format->compression == 'DIVX' || format->compression == 'divx' // xvid
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|| format->compression == 'xvid' || format->compression == 'XVID' // divx
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|| format->compression == 'v4pm' // mp4v
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|| format->compression == '05XD' // divx 5
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|| format->compression == nsaviFOURCC('S','E','D','G') // dunno what this is exactly
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/* || format->compression == '3VID' // divx 3, let's hope it plays */
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) {
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VIDEOINFOHEADER header = {0, };
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//header.rcSource.right = format->width;
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//header.rcSource.bottom = format->height;
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//header.rcTarget = header.rcSource;
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memcpy(&header.bmiHeader, &format->video_format_size_bytes, 40);
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MFTDecoder *ctx = new MFTDecoder;
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if (!ctx) {
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return CREATEDECODER_FAILURE;
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}
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if (FAILED(ctx->Open(&header))) {
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delete ctx;
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return CREATEDECODER_FAILURE;
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}
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*decoder = new AVIMP4V(ctx, stream_header, format);
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return CREATEDECODER_SUCCESS;
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}
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}
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return CREATEDECODER_NOT_MINE;
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}
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#define CBCLASS AVIDecoderCreator
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START_DISPATCH;
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CB(CREATE_VIDEO_DECODER, CreateVideoDecoder)
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END_DISPATCH;
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#undef CBCLASS
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AVIMP4V::AVIMP4V(MFTDecoder *decoder, const nsavi::STRH *stream_header, const nsavi::video_format *stream_format)
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: decoder(decoder), stream_header(stream_header), stream_format(stream_format)
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{
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if (stream_format->size_bytes > 40) {
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//MPEG4Video_DecodeFrame(decoder, ((const uint8_t *)stream_format) + 44, stream_format->size_bytes - stream_format->video_format_size_bytes, 0);
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}
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}
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AVIMP4V::~AVIMP4V()
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{
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delete decoder;
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}
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int AVIMP4V::GetOutputProperties(int *x, int *y, int *color_format, double *aspect_ratio, int *flip)
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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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*flip = local_flip;
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return AVI_SUCCESS;
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}
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return AVI_FAILURE;
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}
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int AVIMP4V::DecodeChunk(uint16_t type, const void *inputBuffer, size_t inputBufferBytes)
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{
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if (decoder) {
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decoder->Feed(inputBuffer, inputBufferBytes, 0);
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return AVI_SUCCESS;
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}
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return AVI_FAILURE;
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}
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void AVIMP4V::Flush()
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{
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if (decoder) {
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decoder->Flush();
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}
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}
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int AVIMP4V::GetPicture(void **data, void **decoder_data)
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{
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if (SUCCEEDED(decoder->GetFrame((YV12_PLANES **)data, decoder_data, 0))) {
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return AVI_SUCCESS;
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} else {
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return AVI_FAILURE;
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}
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}
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void AVIMP4V::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 AVIMP4V::EndOfStream()
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{
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decoder->Drain();
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}
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void AVIMP4V::HurryUp(int state)
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{
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//if (decoder)
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//MPEG4Video_HurryUp(decoder, state);
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}
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void AVIMP4V::Close()
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{
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delete this;
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}
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#define CBCLASS AVIMP4V
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START_DISPATCH;
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CB(GET_OUTPUT_PROPERTIES, GetOutputProperties)
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CB(DECODE_CHUNK, DecodeChunk)
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VCB(FLUSH, Flush)
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CB(GET_PICTURE, GetPicture)
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VCB(FREE_PICTURE, FreePicture)
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VCB(END_OF_STREAM, EndOfStream)
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VCB(HURRY_UP, HurryUp)
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VCB(CLOSE, Close)
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END_DISPATCH;
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#undef CBCLASS
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