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synced 2024-09-05 07:48:07 +02:00
Clear FF_INPUT_BUFFER_PADDING_SIZE bytes at the end of the temporary buffers used in 4xm decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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4a8ff0636d
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90a69b2f61
@ -399,6 +399,7 @@ static int decode_p_frame(FourXContext *f, const uint8_t *buf, int length){
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if (!f->bitstream_buffer)
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return AVERROR(ENOMEM);
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f->dsp.bswap_buf(f->bitstream_buffer, (const uint32_t*)(buf + extra), bitstream_size/4);
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memset((uint8_t*)f->bitstream_buffer + bitstream_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
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init_get_bits(&f->gb, f->bitstream_buffer, 8*bitstream_size);
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f->wordstream= (const uint16_t*)(buf + extra + bitstream_size);
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@ -680,6 +681,7 @@ static int decode_i_frame(FourXContext *f, const uint8_t *buf, int length){
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if (!f->bitstream_buffer)
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return AVERROR(ENOMEM);
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f->dsp.bswap_buf(f->bitstream_buffer, (const uint32_t*)prestream, prestream_size/4);
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memset((uint8_t*)f->bitstream_buffer + prestream_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
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init_get_bits(&f->pre_gb, f->bitstream_buffer, 8*prestream_size);
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f->last_dc= 0*128*8*8;
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