mpeg2enc_destroy_buffers(ctx, &ctx->packed_seq_buf_id, 1);
mpeg2enc_destroy_buffers(ctx, &ctx->packed_pic_header_param_buf_id, 1);
mpeg2enc_destroy_buffers(ctx, &ctx->packed_pic_buf_id, 1);
mpeg2enc_destroy_buffers(ctx, &ctx->packed_seq_buf_id, 1);
mpeg2enc_destroy_buffers(ctx, &ctx->packed_pic_header_param_buf_id, 1);
mpeg2enc_destroy_buffers(ctx, &ctx->packed_pic_buf_id, 1);