95 lines
1.9 KiB
C++
95 lines
1.9 KiB
C++
#include "mkv_f263_decoder.h"
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#include "lib.h"
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int MKVDecoderCreator::CreateVideoDecoder(const char *codec_id, const nsmkv::TrackEntryData *track_entry_data, const nsmkv::VideoData *video_data, ifc_mkvvideodecoder **decoder)
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{
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if (!strcmp(codec_id, "V_MS/VFW/FOURCC"))
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{
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if (track_entry_data->codec_private && track_entry_data->codec_private_len)
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{
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const BITMAPINFOHEADER *header = (const BITMAPINFOHEADER *)track_entry_data->codec_private;
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if (header->biCompression == '1VLF')
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{
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void *ctx = F263_CreateDecoder();
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*decoder = new MKVFLV1(ctx);
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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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else
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{
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return CREATEDECODER_NOT_MINE;
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}
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}
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#define CBCLASS MKVDecoderCreator
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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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MKVFLV1::MKVFLV1(void *ctx) : decoder(ctx)
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{
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}
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int MKVFLV1::GetOutputProperties(int *x, int *y, int *color_format, double *aspect_ratio)
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{
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if (width && height)
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{
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*x = width;
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*y = height;
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*color_format = '21VY';
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*aspect_ratio=1.0;
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return MKV_SUCCESS;
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}
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return MKV_FAILURE;
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}
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int MKVFLV1::DecodeBlock(const void *inputBuffer, size_t inputBufferBytes, uint64_t timestamp)
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{
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last_timestamp = (int32_t)timestamp;
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int keyframe;
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int ret = F263_DecodeFrame(decoder, const_cast<void *>(inputBuffer), inputBufferBytes, &yv12, &width, &height, &keyframe);
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if (ret == F263_OK)
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{
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decoded=1;
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return MKV_SUCCESS;
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}
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else
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return MKV_FAILURE;
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}
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void MKVFLV1::Flush()
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{
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}
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int MKVFLV1::GetPicture(void **data, void **decoder_data, uint64_t *timestamp)
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{
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if (decoded)
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{
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*timestamp = last_timestamp;
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*decoder_data = 0;
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*data = &yv12;
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decoded=0;
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return MKV_SUCCESS;
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}
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return MKV_FAILURE;
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}
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#define CBCLASS MKVFLV1
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START_DISPATCH;
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CB(GET_OUTPUT_PROPERTIES, GetOutputProperties)
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CB(DECODE_BLOCK, DecodeBlock)
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VCB(FLUSH, Flush)
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CB(GET_PICTURE, GetPicture)
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END_DISPATCH;
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#undef CBCLASS
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