+static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
+{
+ X264Context *x4 = ctx->priv_data;
+ AVFrameSideData *side_data;
+
+
+ if (x4->avcintra_class < 0) {
+ 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);
+ }
+ if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
+ 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);
+ }
+
+ if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
+ x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
+ x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
+ x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->params.rc.i_rc_method == X264_RC_ABR &&
+ x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
+ x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->crf >= 0 &&
+ x4->params.rc.i_rc_method == X264_RC_CRF &&
+ x4->params.rc.f_rf_constant != x4->crf) {
+ x4->params.rc.f_rf_constant = x4->crf;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->params.rc.i_rc_method == X264_RC_CQP &&
+ x4->cqp >= 0 &&
+ x4->params.rc.i_qp_constant != x4->cqp) {
+ x4->params.rc.i_qp_constant = x4->cqp;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->crf_max >= 0 &&
+ x4->params.rc.f_rf_constant_max != x4->crf_max) {
+ x4->params.rc.f_rf_constant_max = x4->crf_max;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+ }
+
+ side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
+ if (side_data) {
+ AVStereo3D *stereo = (AVStereo3D *)side_data->data;
+ int fpa_type;
+
+ switch (stereo->type) {
+ case AV_STEREO3D_CHECKERBOARD:
+ fpa_type = 0;
+ break;
+ case AV_STEREO3D_COLUMNS:
+ fpa_type = 1;
+ break;
+ case AV_STEREO3D_LINES:
+ fpa_type = 2;
+ break;
+ case AV_STEREO3D_SIDEBYSIDE:
+ fpa_type = 3;
+ break;
+ case AV_STEREO3D_TOPBOTTOM:
+ fpa_type = 4;
+ break;
+ case AV_STEREO3D_FRAMESEQUENCE:
+ fpa_type = 5;
+ break;
+ default:
+ fpa_type = -1;
+ break;
+ }
+
+ if (fpa_type != x4->params.i_frame_packing) {
+ x4->params.i_frame_packing = fpa_type;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+ }
+}
+