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Do not (re-)set libx264 parameter b_tff if interlaced encoding was not requested. 

Reconfiguring can break x264 lossless encoding.

Fixes ticket #2165.
(cherry picked from commit 75c7e4583f)
This commit is contained in:
Carl Eugen Hoyos 2013-03-16 20:13:44 +01:00
parent 85e082d081
commit 12e4aefb80
1 changed files with 1 additions and 1 deletions
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2
libavcodec/libx264.c
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@ -174,7 +174,7 @@ static int X264_frame(AVCodecContext *ctx, uint8_t *buf,
frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P :
frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B :
X264_TYPE_AUTO;
if (x4->params.b_tff != frame->top_field_first) {
if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
x4->params.b_tff = frame->top_field_first;
x264_encoder_reconfig(x4->enc, &x4->params);
}