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y4m_input: Expand to support yuv444p12/yuv422p12/yuv420p12 #1462

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Merged
kylophone merged 1 commit into from
Jan 22, 2026
+26 −0
Merged

y4m_input: Expand to support yuv444p12/yuv422p12/yuv420p12 #1462

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26 changes: 26 additions & 0 deletions libvmaf/tools/y4m_input.c
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Original file line number Diff line number Diff line change
Expand Up @@ -611,6 +611,15 @@ static int y4m_input_open_impl(y4m_input *_y4m,FILE *_fin){
_y4m->aux_buf_sz=_y4m->aux_buf_read_sz=0;
_y4m->convert=y4m_convert_null;
}
else if(strcmp(_y4m->chroma_type,"420p12")==0){
_y4m->src_c_dec_h=_y4m->dst_c_dec_h=_y4m->src_c_dec_v=_y4m->dst_c_dec_v=2;
_y4m->dst_buf_read_sz=(_y4m->pic_w*_y4m->pic_h
+2*((_y4m->pic_w+1)/2)*((_y4m->pic_h+1)/2))*2;
_y4m->depth=12;
/*Natively supported: no conversion required.*/
_y4m->aux_buf_sz=_y4m->aux_buf_read_sz=0;
_y4m->convert=y4m_convert_null;
}
else if (strcmp(_y4m->chroma_type,"422p10")==0) {
_y4m->src_c_dec_h=_y4m->dst_c_dec_h=2;
_y4m->src_c_dec_v=_y4m->dst_c_dec_v=1;
Expand All @@ -620,6 +629,15 @@ static int y4m_input_open_impl(y4m_input *_y4m,FILE *_fin){
_y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
_y4m->convert = y4m_convert_null;
}
else if (strcmp(_y4m->chroma_type,"422p12")==0) {
_y4m->src_c_dec_h=_y4m->dst_c_dec_h=2;
_y4m->src_c_dec_v=_y4m->dst_c_dec_v=1;
_y4m->depth = 12;
_y4m->dst_buf_read_sz = 2*(_y4m->pic_w*_y4m->pic_h
+2*((_y4m->pic_w+1)/2)*_y4m->pic_h);
_y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
_y4m->convert = y4m_convert_null;
}
else if(strcmp(_y4m->chroma_type,"444p10")==0){
_y4m->src_c_dec_h=_y4m->dst_c_dec_h=_y4m->src_c_dec_v=_y4m->dst_c_dec_v=1;
_y4m->dst_buf_read_sz=_y4m->pic_w*_y4m->pic_h*3*2;
Expand All @@ -628,6 +646,14 @@ static int y4m_input_open_impl(y4m_input *_y4m,FILE *_fin){
_y4m->aux_buf_sz=_y4m->aux_buf_read_sz=0;
_y4m->convert=y4m_convert_null;
}
else if(strcmp(_y4m->chroma_type,"444p12")==0){
_y4m->src_c_dec_h=_y4m->dst_c_dec_h=_y4m->src_c_dec_v=_y4m->dst_c_dec_v=1;
_y4m->dst_buf_read_sz=_y4m->pic_w*_y4m->pic_h*3*2;
_y4m->depth=12;
/*Natively supported: no conversion required.*/
_y4m->aux_buf_sz=_y4m->aux_buf_read_sz=0;
_y4m->convert=y4m_convert_null;
}
else if(strcmp(_y4m->chroma_type,"420paldv")==0){
_y4m->src_c_dec_h=_y4m->dst_c_dec_h=_y4m->src_c_dec_v=_y4m->dst_c_dec_v=2;
_y4m->dst_buf_read_sz=_y4m->pic_w*_y4m->pic_h;
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