libx264: support aspect ratio switching

Signed-off-by: Anton Khirnov <anton@khirnov.net>
13 years ago · 0dd283faca
parent 5b7a88f0ba
commit 0dd283faca
1 changed files with 6 additions and 0 deletions
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@ -148,6 +148,12 @@ static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
            x4->params.b_tff = frame->top_field_first;
            x264_encoder_reconfig(x4->enc, &x4->params);
        }
+        if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den ||
+            x4->params.vui.i_sar_width  != ctx->sample_aspect_ratio.num) {
+            x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
+            x4->params.vui.i_sar_width  = ctx->sample_aspect_ratio.num;
+            x264_encoder_reconfig(x4->enc, &x4->params);
+        }
    }

    do {