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Diffstat (limited to 'fftools/ffmpeg.c')
-rw-r--r--fftools/ffmpeg.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index 40e8010096..b0ce7c7c32 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -3483,12 +3483,7 @@ static int init_output_stream_encode(OutputStream *ost, AVFrame *frame)
enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
}
- if (ost->top_field_first == 0) {
- enc_ctx->field_order = AV_FIELD_BB;
- } else if (ost->top_field_first == 1) {
- enc_ctx->field_order = AV_FIELD_TT;
- }
-
+ // Field order: autodetection
if (frame) {
if (enc_ctx->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
ost->top_field_first >= 0)
@@ -3503,6 +3498,13 @@ static int init_output_stream_encode(OutputStream *ost, AVFrame *frame)
enc_ctx->field_order = AV_FIELD_PROGRESSIVE;
}
+ // Field order: override
+ if (ost->top_field_first == 0) {
+ enc_ctx->field_order = AV_FIELD_BB;
+ } else if (ost->top_field_first == 1) {
+ enc_ctx->field_order = AV_FIELD_TT;
+ }
+
if (ost->forced_keyframes) {
if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,