Marton Balint ec4d3dc5b9 avcodec/mpegvideo_enc: use 64bit multiplication in dct_quantize_trellis_c and dct_quantize_c ...

Fixes corruption with:

ffmpeg -t 1 -filter_complex "sine=f=21,showwaves=scale=cbrt:mode=line:colors=white:draw=full" -c:v mpeg2video -non_linear_quant 1 -qmin 1 -qmax 1 -cpuflags 0 out.mpg

or

ffmpeg -t 1 -filter_complex "sine=f=21,showwaves=scale=cbrt:mode=line:colors=white:draw=full" -c:v mpeg2video -non_linear_quant 1 -qmin 1 -qmax 1 -trellis 1 out.mpg

Signed-off-by: Marton Balint <cus@passwd.hu>

2025-01-25 20:10:41 +01:00

169 KiB

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