Hi, Setting setting sample_aspect_ratio in AVContext does not produce the expected aspect index value in the MPEG2 sequence header.
Problem seems to be around line 263 in mpeg12enc.c. Setting the sample_aspect_ratio to 16/9 leads the current error minimization routine to determine that error -= (1LL<<32)*(221/100)*(1080/1920) is smaller than error -= (1LL<<32)*(16/9)*(1080/1920) thus picking aspect index value 4 rather than 3. Proposed fix in attached patch. -- Erik Johansson
mpeg2_aspect.patch
Description: Binary data
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